$100,000Student Loan: Monthly Payment & Total Cost
At the 2025 federal undergraduate rate of 6.53%, the standard 10-year monthly payment on $100,000 in student loans is $1,137.01. Total interest paid: $36,441.
Federal vs Private Student Loan Rates
| Loan Type | Rate | Monthly (10yr) | Total Interest |
|---|---|---|---|
| Federal Undergrad (Direct) | 6.53% | $1,137.01 | $36,441 |
| Federal Graduate (Direct) | 8.08% | $1,217.51 | $46,101 |
| Federal PLUS | 9.08% | $1,271.09 | $52,531 |
| Private — Excellent Credit | 4.5% | $1,036.38 | $24,366 |
| Private — Good Credit | 7% | $1,161.08 | $39,330 |
| Private — Fair Credit | 11% | $1,377.50 | $65,300 |
Extended Repayment Options (Federal Rate 6.53%)
| Term | Monthly Payment | Total Interest | Total Cost |
|---|---|---|---|
| 5 years | $1,958.02 | $17,481 | $117,481 |
| 10 years standard | $1,137.01 | $36,441 | $136,441 |
| 15 years | $872.76 | $57,096 | $157,096 |
| 20 years | $747.34 | $79,362 | $179,362 |