USA-Calc

Free Online Calculators

279+ calculators for finance, tax, mortgage, salary, health, and more. Free, instant, no account needed.

📈 Finance & Investment🧾 Tax🏠 Mortgage & Real Estate💳 Loans & Debt💼 Salary & Paycheck❤️ Health & Fitness🔢 Math & Conversion🏢 Business & SaaS🏦 Retirement
📈

Finance & Investment

Compound interest, ROI, NPV, IRR, crypto, and portfolio calculators.

📈
Compound Interest Calculator
Calculate how your investment grows with compound interest over time.
💵
Simple Interest Calculator
Calculate interest earned or owed on a principal amount at a fixed rate.
📊
ROI Calculator
Calculate return on investment and annualized ROI for any investment.
💹
NPV Calculator
Calculate Net Present Value of a series of cash flows at a discount rate.
📉
IRR Calculator
Calculate the Internal Rate of Return for an investment using annual cash flows.
⏱️
Payback Period Calculator
Calculate how many years it takes to recoup your initial investment.
⚖️
Break-Even Calculator
Find how many units you need to sell to cover fixed and variable costs.
💰
Profit Margin Calculator
Calculate gross, operating, and net profit margins for your business.
🏷️
Markup Calculator
Calculate selling price from cost and desired markup percentage.
🏷️
Discount Calculator
Calculate the final price after applying a percentage discount.
🍽️
Tip Calculator
Calculate tip amount and total bill, and split among multiple people.
🧾
Sales Tax Calculator
Calculate total price including state and local sales tax.
🌍
VAT Calculator
Add or remove VAT from a price for any VAT rate.
🎯
Savings Goal Calculator
Find out how much to save monthly to reach a specific financial goal.
🛡️
Emergency Fund Calculator
Calculate how large your emergency fund should be based on expenses.
💎
Net Worth Calculator
Calculate your total net worth by subtracting liabilities from assets.
⚖️
Debt-to-Income Ratio Calculator
Calculate your DTI ratio to understand your borrowing capacity.
💳
Credit Utilization Calculator
Calculate your credit utilization ratio and its impact on your credit score.
📋
APR Calculator
Calculate the Annual Percentage Rate (APR) for loans including fees.
🔢
Effective Interest Rate Calculator
Calculate the effective annual interest rate from nominal rate and compounding frequency.
✌️
Rule of 72 Calculator
Estimate how many years it takes to double your money at a given interest rate.
📊
Inflation Calculator
Calculate the purchasing power of money accounting for inflation over time.
🚀
Future Value Calculator
Calculate the future value of a lump sum or regular contributions.
⏪
Present Value Calculator
Calculate the present value of a future sum at a given discount rate.
💸
Annuity Calculator
Calculate the value of an annuity — regular payments over a fixed period.
♾️
Perpetuity Calculator
Calculate the present value of a perpetuity — an infinite stream of payments.
📈
CAGR Calculator
Calculate the Compound Annual Growth Rate of an investment over time.
💰
Dividend Yield Calculator
Calculate the dividend yield and annual dividend income from a stock investment.
📈
Stock Return Calculator
Calculate total return on a stock investment including dividends.
🗂️
Portfolio Return Calculator
Calculate the weighted return of a multi-asset investment portfolio.
📐
Sharpe Ratio Calculator
Calculate the risk-adjusted return of an investment using the Sharpe Ratio.
🧩
Asset Allocation Calculator
Find the recommended stock/bond allocation based on your age and risk tolerance.
⚖️
Portfolio Rebalancing Calculator
Calculate how much to buy or sell to rebalance your portfolio to target allocations.
🔄
Dollar Cost Averaging Calculator
Calculate average cost basis and returns from regular periodic investments.
🪙
Crypto Profit Calculator
Calculate profit, loss, and ROI on cryptocurrency investments.
₿
Bitcoin Profit Calculator
Calculate your Bitcoin investment profit, loss, and return on investment.
⟠
Ethereum Profit Calculator
Calculate profit and ROI on your Ethereum (ETH) investment.
🥩
Staking Rewards Calculator
Calculate annual staking rewards and APY for proof-of-stake cryptocurrencies.
🌾
DeFi Yield Calculator
Calculate DeFi liquidity mining or yield farming returns.
📊
Price-to-Earnings (P/E) Calculator
Calculate the P/E ratio and implied earnings yield for a stock.
🏢
Enterprise Value Calculator
Calculate Enterprise Value (EV) and common EV multiples.
📋
EBITDA Calculator
Calculate EBITDA and EBITDA margin from financial statement data.
🏦
Business Valuation Calculator
Estimate business value using multiple standard valuation methods.
💹
Gross Profit Calculator
Calculate gross profit and gross profit margin from revenue and COGS.
⚙️
Operating Profit Calculator
Calculate operating profit (EBIT) and operating margin.
💸
Free Cash Flow Calculator
Calculate Free Cash Flow (FCF) from operating cash flow and capital expenditures.
🔄
Working Capital Calculator
Calculate working capital and current ratio from balance sheet data.
💧
Current Ratio Calculator
Calculate the current ratio to assess short-term liquidity.
⚡
Quick Ratio Calculator
Calculate the quick ratio (acid-test) excluding inventory from current assets.
⚖️
Debt Ratio Calculator
Calculate the debt ratio and debt-to-equity ratio from balance sheet data.
📈
Return on Equity (ROE) Calculator
Calculate Return on Equity and use DuPont decomposition to diagnose drivers.
🏗️
Return on Assets (ROA) Calculator
Calculate Return on Assets to measure how efficiently a company uses its asset base.
📦
Inventory Turnover Calculator
Calculate inventory turnover ratio and days inventory outstanding.
📄
Accounts Receivable Calculator
Calculate days sales outstanding (DSO) and accounts receivable turnover.
📅
Days Sales Outstanding Calculator
Calculate DSO — the average number of days to collect payment after a sale.
📜
Bond Yield Calculator
Calculate current yield and yield to maturity for a bond.
🧾

Tax

Federal income tax, capital gains, self-employment, and deduction calculators.

🏛️
Federal Income Tax Calculator
Calculate your 2024 federal income tax liability based on filing status and income.
📊
Effective Tax Rate Calculator
Calculate your effective tax rate — the actual percentage of income paid in taxes.
📋
Marginal Tax Rate Calculator
Find your federal marginal tax bracket for 2024 by income and filing status.
📈
Capital Gains Tax Calculator
Calculate your federal capital gains tax on investment profits.
⏱️
Short-Term Capital Gains Tax Calculator
Calculate taxes on assets sold within one year, taxed as ordinary income.
📅
Long-Term Capital Gains Tax Calculator
Calculate preferential 0%, 15%, or 20% tax rates on assets held over 12 months.
💼
Self-Employment Tax Calculator
Calculate self-employment tax (SE tax) for freelancers and independent contractors.
📅
Quarterly Estimated Tax Calculator
Calculate quarterly estimated tax payments to avoid IRS underpayment penalties.
🏥
FICA Tax Calculator
Calculate FICA taxes — Social Security and Medicare — for employees and employers.
🔐
Social Security Tax Calculator
Calculate Social Security tax withheld based on 2024 wage base limits.
🏥
Medicare Tax Calculator
Calculate Medicare taxes including the 0.9% additional Medicare surtax.
💹
Net Investment Income Tax Calculator
Calculate the 3.8% NIIT surtax on investment income for high earners.
🏠
Property Tax Calculator
Estimate annual property tax based on assessed value and local mill rate.
🗺️
Sales Tax by State Calculator
Calculate sales tax and total purchase price for any US state rate.
📋
Standard Deduction Calculator
Find your 2024 standard deduction amount by filing status and age.
📝
Itemized Deduction Calculator
Calculate total itemized deductions to determine if you should itemize or take the standard deduction.
🎁
Bonus Tax Calculator
Calculate the after-tax amount of a bonus check using the IRS supplemental rate.
🪙
Cryptocurrency Tax Calculator
Calculate capital gains tax on crypto sales, trades, and conversions.
📊
Cost Basis Calculator
Calculate cost basis using FIFO, LIFO, or average cost methods.
🔄
Wash Sale Calculator
Calculate how wash sale rules affect your capital loss deductions.
💰
Tax Refund Calculator
Estimate your federal tax refund or balance due for the year.
📋
W-4 Withholding Calculator
Calculate the right withholding allowances to owe nothing or get a small refund.
💻
Freelancer Tax Calculator
Calculate total tax burden for freelancers including SE tax and estimated payments.
📄
1099 Tax Calculator
Estimate taxes owed on 1099 income from gig work, consulting, or contract work.
🏠
Home Office Deduction Calculator
Calculate the home office deduction using the simplified or regular method.
📉
Depreciation Calculator
Calculate annual depreciation using straight-line, declining balance, or MACRS.
👶
Child Tax Credit Calculator
Calculate your 2024 Child Tax Credit based on number of children and income.
💚
Earned Income Tax Credit (EITC) Calculator
Estimate your EITC — a refundable credit for working low-to-moderate income taxpayers.
💼
Payroll Tax Calculator
Calculate employer payroll tax costs per employee including FUTA and SUTA.
🏛️
Estate Tax Calculator
Calculate federal estate tax liability based on 2024 exemptions.
🎁
Gift Tax Calculator
Determine gift tax liability and lifetime exemption usage for 2024.
🔄
Roth Conversion Tax Calculator
Calculate the tax cost and long-term benefit of converting traditional IRA funds to Roth.
🏠

Mortgage & Real Estate

Mortgage payments, affordability, refinance, rent vs buy, and rental yield.

🏠
Mortgage Payment Calculator
Calculate your monthly mortgage payment including principal and interest.
🏡
Mortgage Affordability Calculator
Find out how much home you can afford based on income and debt.
💰
Down Payment Calculator
Calculate required down payment and monthly savings needed to reach your goal.
🛡️
PMI Calculator
Calculate private mortgage insurance cost and when you can cancel it.
📊
Amortization Calculator
See your full mortgage amortization schedule showing principal and interest each month.
🔄
Mortgage Refinance Calculator
Determine if refinancing saves money and calculate your break-even point.
🏦
Home Equity Calculator
Calculate your current home equity and available home equity loan amount.
💳
HELOC Calculator
Calculate interest-only payments during the HELOC draw period and repayment.
📋
Closing Costs Calculator
Estimate total closing costs when buying or refinancing a home.
💨
Extra Mortgage Payment Calculator
Calculate how much extra payments reduce your loan payoff time and total interest.
📅
Biweekly Mortgage Calculator
Calculate how biweekly payments (every 2 weeks) reduce your mortgage.
🏘️
Rent vs. Buy Calculator
Compare the true cost of renting versus buying a home over time.
🏘️
Rental Income Calculator
Calculate rental property net income, cash flow, and ROI.
📈
Cap Rate Calculator
Calculate the capitalization rate to compare rental property investments.
🏘️
Rental Yield Calculator
Calculate gross and net rental yield for a buy-to-let property.
✖️
Gross Rent Multiplier Calculator
Calculate the GRM to quickly compare rental property valuations.
💵
Cash-on-Cash Return Calculator
Calculate the annual cash-on-cash return for a leveraged real estate investment.
📈
Real Estate ROI Calculator
Calculate total ROI on a real estate investment including appreciation, cash flow, and equity.
🏚️
House Flip Profit Calculator
Calculate profit margin and ROI for a fix-and-flip real estate investment.
🏠
FHA Loan Calculator
Calculate FHA loan payments including the mandatory mortgage insurance premium.
🎖️
VA Loan Calculator
Calculate VA loan payments with zero down payment and the VA funding fee.
🔁
Reverse Mortgage Calculator
Estimate the maximum loan amount available from a HECM reverse mortgage.
🎯
Mortgage Points Calculator
Determine whether to buy discount points to lower your mortgage rate.
📈
Property Appreciation Calculator
Calculate future home value based on historical appreciation rates.
💳

Loans & Debt

Personal, auto, student loan, credit card payoff, and debt consolidation.

💳
Personal Loan Calculator
Calculate monthly payments, total cost, and interest on a personal loan.
🚗
Auto Loan Calculator
Calculate monthly car payment and total cost for your auto loan.
🎓
Student Loan Calculator
Calculate monthly student loan payments and total repayment cost.
🔀
Debt Consolidation Calculator
See how much you can save by consolidating multiple debts into one loan.
💳
Credit Card Payoff Calculator
Calculate how long to pay off credit card debt and total interest paid.
🏔️
Debt Avalanche Calculator
Calculate savings from the debt avalanche method (highest interest first).
⛄
Debt Snowball Calculator
Calculate payoff timeline using the debt snowball method (smallest balance first).
⚖️
Loan Comparison Calculator
Compare two loan offers side-by-side to find the true best deal.
🚙
Car Payment Calculator
Calculate your monthly car payment and total vehicle cost.
📉
Car Depreciation Calculator
Calculate how much your vehicle loses in value over time.
🔄
Lease vs. Buy Car Calculator
Compare the true cost of leasing versus buying a vehicle.
🎓
Income-Based Repayment Calculator
Estimate your monthly payment under federal income-driven repayment (IDR) plans.
🏛️
PSLF Calculator
Estimate how much student loan debt is forgiven under PSLF after 10 years.
🔄
Student Loan Refinance Calculator
Calculate how much refinancing your student loans could save.
⚠️
Minimum Payment Calculator
See how long it takes to pay off debt making only minimum payments.
🏢
Business Loan Calculator
Calculate monthly payments and total cost for a small business loan.
🇺🇸
SBA Loan Calculator
Calculate payments for SBA 7(a) and SBA 504 loan programs.
📅
Loan Amortization Calculator
Calculate the full amortization schedule for any loan.
🎓
529 College Savings Plan Calculator
Calculate how much your 529 plan will grow and what it can cover.
📚
College Savings Calculator
Calculate how much to save monthly to cover college costs for your child.
🏛️
College Cost Calculator
Estimate total 4-year college cost including tuition, room, board, and fees.
⚠️
Payday Loan Calculator
Calculate the true annual APR and total cost of a payday loan.
📊
Debt-to-Income Ratio Calculator (Loans)
Calculate your DTI to determine your qualification for new loans.
🔝
Maximum Loan Calculator
Calculate the maximum loan you qualify for based on income and DTI limits.
🎈
Balloon Payment Calculator
Calculate payments and final balloon payment for a balloon loan.
💲
Interest-Only Loan Calculator
Calculate interest-only payments and the payment jump when amortization begins.
💼

Salary & Paycheck

Paycheck, take-home pay, overtime, raise, 401(k), and benefits calculators.

💼
Salary to Hourly Calculator
Convert annual salary to equivalent hourly, weekly, and monthly pay.
⏰
Hourly to Salary Calculator
Convert an hourly rate to equivalent annual, monthly, and weekly salary.
💵
Paycheck Calculator
Calculate your net paycheck after federal taxes, Social Security, and Medicare.
🏠
Take-Home Pay Calculator
Calculate annual take-home pay after all taxes and deductions.
⏱️
Overtime Pay Calculator
Calculate overtime pay and total earnings including regular and overtime hours.
📈
Raise Calculator
Calculate new salary, additional earnings, and the real impact of a pay raise.
🎯
Bonus Calculator
Calculate bonus amount, after-tax bonus, and impact on total compensation.
🏆
Commission Calculator
Calculate commission earnings and total pay from sales performance.
💻
Freelance Rate Calculator
Calculate the hourly rate you need to charge as a freelancer to meet your income goal.
🧠
Consulting Fee Calculator
Calculate consulting fees for projects or retainers based on your expertise and market.
🚗
Mileage Reimbursement Calculator
Calculate IRS mileage reimbursement at the 2024 standard rate.
✈️
Per Diem Calculator
Calculate GSA per diem allowances for business travel by location.
🎁
Employee Benefits Value Calculator
Calculate the total dollar value of your employee benefits package.
⚖️
Job Offer Comparison Calculator
Compare two job offers on total compensation, cost of living, and after-tax pay.
💎
Total Compensation Calculator
Calculate your complete compensation package including equity and all benefits.
🏦
401(k) Contribution Calculator
Calculate your 401(k) contributions, employer match, and projected balance.
🎁
401(k) Employer Match Calculator
Calculate how much free money your employer contributes through 401(k) matching.
🔄
Roth 401(k) vs Traditional 401(k) Calculator
Compare Roth and traditional 401(k) contributions to maximize after-tax retirement wealth.
🏥
HSA Contribution Calculator
Calculate HSA tax savings and long-term investment growth for healthcare costs.
🗺️
Cost of Living Calculator
Calculate the salary you need in a new city to maintain your current standard of living.
🔐
Social Security Benefits Estimator
Estimate your monthly Social Security retirement benefit based on earnings.
📈
Equity Vesting Calculator
Calculate when your stock options or RSUs vest and their potential value.
✍️
Signing Bonus After-Tax Calculator
Calculate your net signing bonus after IRS supplemental withholding and state taxes.
🏠
Living Wage Calculator
Calculate the living wage needed to cover basic expenses by family size and location.
❤️

Health & Fitness

BMI, BMR, TDEE, calorie deficit, body fat, heart rate zones, and more.

⚖️
BMI Calculator
Calculate your Body Mass Index and weight status category.
🔥
BMR Calculator
Calculate your Basal Metabolic Rate — calories burned at rest.
⚡
TDEE Calculator
Calculate Total Daily Energy Expenditure — your maintenance calories.
🥗
Calorie Deficit Calculator
Calculate the calorie deficit needed to reach your weight loss goal.
🥩
Protein Intake Calculator
Calculate your daily protein needs based on weight and activity level.
💧
Water Intake Calculator
Calculate your recommended daily water intake based on weight and activity.
📏
Body Fat Percentage Calculator
Estimate body fat percentage using the US Navy circumference method.
💪
Lean Body Mass Calculator
Calculate your lean body mass (total mass minus body fat).
🎯
Ideal Weight Calculator
Calculate your ideal body weight using multiple medical formulas.
📉
Weight Loss Calculator
Calculate how long it will take to reach your goal weight at a given calorie deficit.
🏃
Running Pace Calculator
Calculate running pace, finish time, or total distance for any run.
🏃‍♂️
Calories Burned Running Calculator
Calculate calories burned during a run based on weight, distance, and pace.
🚶
Calories Burned Walking Calculator
Calculate calories burned during a walk based on weight and distance.
❤️
Heart Rate Zone Calculator
Calculate your cardio training zones based on maximum heart rate.
🫁
VO2 Max Calculator
Estimate your VO2 max from a submaximal exercise test or fitness markers.
🏋️
One Rep Max (1RM) Calculator
Calculate your estimated one-rep max for any strength exercise.
🤰
Pregnancy Due Date Calculator
Calculate your estimated due date from the first day of your last period.
🍺
Blood Alcohol Content (BAC) Calculator
Estimate your blood alcohol content based on drinks consumed, weight, and time.
😴
Sleep Calculator
Calculate the best bedtime or wake-up time based on 90-minute sleep cycles.
🌸
Ovulation Calculator
Estimate ovulation date and fertile window based on cycle length.
💊
Medication Dosage Calculator
Calculate medication dose based on body weight (mg/kg dosing).
📐
Body Surface Area (BSA) Calculator
Calculate body surface area for medication dosing using multiple formulas.
🤰
Pregnancy Weight Gain Calculator
Calculate recommended weight gain during pregnancy based on pre-pregnancy BMI.
👶
Newborn Feeding Calculator
Calculate breast milk or formula needs for a newborn by age and weight.
📏
Waist-to-Hip Ratio Calculator
Calculate waist-to-hip ratio and cardiovascular disease risk.
🚴
Calories Burned Cycling Calculator
Calculate calories burned during cycling based on weight, speed, and duration.
🔢

Math & Conversion

Percentage, statistics, geometry, unit conversions, and algebra calculators.

📊
Percentage Calculator
Calculate percentages — find what percent of a number is, or what a number is X% of.
📈
Percentage Change Calculator
Calculate the percentage increase or decrease between two values.
➗
Average (Mean) Calculator
Calculate the arithmetic mean, sum, and count of a set of numbers.
📉
Standard Deviation Calculator
Calculate the standard deviation and variance of a data set.
🎲
Probability Calculator
Calculate basic probability and combined event probabilities.
🃏
Combinations Calculator (nCr)
Calculate the number of combinations when selecting r items from n items.
🔢
Permutations Calculator (nPr)
Calculate the number of ordered arrangements of r items from n items.
❗
Factorial Calculator
Calculate the factorial of any non-negative integer (n!).
🔍
Prime Number Checker
Check if a number is prime and find its factors.
🔗
Greatest Common Factor (GCF) Calculator
Find the greatest common factor (GCD) of two numbers using the Euclidean algorithm.
🔀
Least Common Multiple (LCM) Calculator
Find the least common multiple of two numbers.
½
Fraction Calculator
Add, subtract, multiply, or divide two fractions with simplified results.
⚖️
Ratio Calculator
Calculate and simplify ratios, find equivalent ratios, or solve ratio proportions.
🔢
Proportion Calculator
Solve proportions and find missing values in equivalent ratios.
📐
Area Calculator
Calculate the area of common geometric shapes — rectangles, circles, triangles.
📦
Volume Calculator
Calculate the volume of common 3D shapes.
📐
Pythagorean Theorem Calculator
Find any side of a right triangle using the Pythagorean theorem (a² + b² = c²).
√
Square Root Calculator
Calculate the square root and cube root of any number.
🔢
Exponent Calculator
Calculate any base raised to any exponent, including negative and decimal powers.
ln
Logarithm Calculator
Calculate logarithms in any base — natural log (ln), log base 10, or custom base.
🔬
Scientific Notation Calculator
Convert numbers to and from scientific notation.
📈
Slope Calculator
Calculate the slope, distance, and midpoint between two coordinate points.
📏
Distance Formula Calculator
Calculate the straight-line (Euclidean) distance between two points.
⊕
Midpoint Calculator
Find the midpoint between two coordinate points.
🌡️
Temperature Converter
Convert temperatures between Fahrenheit, Celsius, and Kelvin.
🔄
Unit Converter
Convert between common metric and imperial units of length, weight, and volume.
📏
Length Converter
Convert between metric and imperial length units.
⚖️
Weight Converter
Convert between kilograms, pounds, ounces, grams, and other mass units.
💨
Speed Converter
Convert between mph, km/h, m/s, knots, and Mach number.
📊
Median Calculator
Calculate the median (middle value) of a data set.
📐
Quadratic Formula Calculator
Solve quadratic equations ax² + bx + c = 0 using the quadratic formula.
📊
Variance Calculator
Calculate the variance (spread) of a data set.
🏢

Business & SaaS

CAC, LTV, MRR, burn rate, ROAS, conversion rate, and ecommerce metrics.

💼
Customer Acquisition Cost (CAC) Calculator
Calculate how much it costs to acquire each new customer.
💎
Customer Lifetime Value (LTV) Calculator
Calculate the average lifetime value of a customer for your business.
📊
LTV:CAC Ratio Calculator
Calculate the LTV to CAC ratio to assess customer acquisition efficiency.
🌊
Churn Rate Calculator
Calculate monthly and annual customer churn rate.
📈
Monthly Recurring Revenue (MRR) Calculator
Calculate MRR from subscriber count, expansion, and churn.
📊
Annual Recurring Revenue (ARR) Calculator
Calculate Annual Recurring Revenue and its growth rate.
📺
CPM Calculator
Calculate Cost Per Mille (CPM) — the cost per 1,000 ad impressions.
👆
CPC Calculator
Calculate Cost Per Click and total campaign cost from clicks and budget.
🖱️
Click-Through Rate (CTR) Calculator
Calculate click-through rate for ads, emails, and organic search results.
🎯
ROAS Calculator
Calculate Return on Ad Spend and determine if campaigns are profitable.
🎯
Conversion Rate Calculator
Calculate website or campaign conversion rate and potential revenue impact.
🛒
Average Order Value (AOV) Calculator
Calculate average order value and revenue impact of AOV improvements.
🔥
Burn Rate Calculator
Calculate monthly burn rate and runway for startups.
✈️
Startup Runway Calculator
Calculate how many months of runway you have and what you need to extend it.
📊
Gross Margin Calculator
Calculate gross margin percentage for your business or product line.
💹
Net Profit Margin Calculator
Calculate net profit margin after all expenses and taxes.
⚙️
Operating Margin Calculator
Calculate operating profit margin before interest and taxes.
📦
COGS Calculator
Calculate Cost of Goods Sold using beginning inventory, purchases, and ending inventory.
📦
Inventory Cost Calculator
Calculate total inventory cost including holding costs, ordering costs, and EOQ.
📣
Marketing ROI Calculator
Calculate the return on investment of your marketing campaigns.
👤
Total Employee Cost Calculator
Calculate the true total cost of an employee beyond base salary.
🤝
Cost Per Hire Calculator
Calculate the total cost to recruit and onboard a new employee.
👥
Revenue Per Employee Calculator
Calculate revenue per employee to benchmark organizational productivity.
📊
Break-Even Units Calculator
Calculate units needed to sell to cover all fixed and variable costs.
📈
Net Revenue Retention (NRR) Calculator
Calculate NRR to measure expansion and contraction in your existing customer base.
⚡
SaaS Quick Ratio Calculator
Calculate the SaaS Quick Ratio to measure growth efficiency.
📧
Email List Growth Calculator
Project your email list size based on current growth and churn rates.
😊
Net Promoter Score (NPS) Calculator
Calculate your Net Promoter Score from survey responses.
🌍
Total Addressable Market (TAM) Calculator
Calculate TAM, SAM, and SOM for your business opportunity.
🏦

Retirement

IRA, 401(k), FIRE, Social Security, RMD, and safe withdrawal calculators.

🏦
Retirement Savings Calculator
Project how much you'll have at retirement based on current savings and contributions.
💵
Retirement Income Calculator
Estimate how much monthly income your retirement nest egg can generate.
📊
IRA Calculator
Calculate how much your IRA contributions will grow over time.
🌱
Roth IRA Calculator
See how tax-free Roth IRA growth compounds over your career.
⚖️
Traditional vs Roth IRA Calculator
Compare after-tax outcomes between Traditional and Roth IRA strategies.
🏛️
401(k) Calculator
Project your 401(k) balance at retirement with employer match included.
📜
Pension Income Calculator
Estimate your defined-benefit pension monthly payment at retirement.
🏛️
Social Security Age Calculator
Compare Social Security benefits by claiming age from 62 to 70.
⚖️
Social Security Break-Even Calculator
Find the age at which delaying Social Security benefits pays off.
💸
Retirement Withdrawal Calculator
Determine how long your retirement savings will last at a given spending rate.
📐
4% Rule Calculator
Calculate how much you need to retire safely using the classic 4% withdrawal rule.
📅
Required Minimum Distribution (RMD) Calculator
Calculate your annual RMD from traditional IRAs and 401(k)s.
📋
Inherited IRA Calculator
Calculate required distributions from an inherited IRA under the 10-year rule.
🔓
72(t) Distribution Calculator
Calculate penalty-free early IRA distributions using the 72(t) SEPP method.
📈
Annuity Income Calculator
Calculate monthly income from a fixed annuity purchase.
⏳
Longevity Calculator
Estimate life expectancy to better plan retirement income needs.
🧮
Retirement Budget Calculator
Build a monthly retirement budget and estimate your income needs.
🏥
Healthcare in Retirement Calculator
Estimate lifetime healthcare costs in retirement for planning purposes.
🎯
Retirement Age Calculator
Find the earliest age you can retire given your savings rate and target.
🔥
FIRE Calculator
Calculate your Financial Independence Retire Early number and timeline.
🏄
Coast FIRE Calculator
Find how much you need now so your portfolio can grow to FIRE without more contributions.
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Lean FIRE Calculator
Plan an early retirement on a frugal budget using the FIRE framework.
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Fat FIRE Calculator
Plan a comfortable early retirement with generous lifestyle spending.
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Barista FIRE Calculator
Find your target portfolio when working part-time covers some expenses.
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Sequence of Returns Risk Calculator
See how poor early returns devastate a retirement portfolio versus good early returns.
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Monte Carlo Retirement Calculator
Run simplified probability analysis on your retirement portfolio survival.
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Withdrawal Rate Calculator
Calculate the percentage of your portfolio you'll withdraw annually in retirement.
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Safe Withdrawal Rate Calculator
Find the withdrawal rate that historically survives your target retirement period.
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Medicare Cost Calculator
Estimate your Medicare Part B and Part D premiums based on income.
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Medicare Supplement Calculator
Compare Medigap plan costs and coverage to find your best option.

All 279 calculators are free and work directly in your browser — no data is sent to any server.