⚖️
Weight Converter
ConverterConvert between kilograms, pounds, ounces, grams, and metric tons.
About This Tool
The kilogram is the SI base unit of mass, defined since 2019 by the Planck constant. The pound (lb) derives from the Roman libra — 16 ounces or exactly 0.45359237 kg. The stone (14 lb) is still used for body weight in the UK and Ireland.