← All converters⚖

Weight Converter – Kilograms, Pounds and Stones

Convert common metric and imperial mass units without searching for formulas.

Good to know

Everyday usage calls this weight, although kilograms and pounds are units of mass. One international pound equals exactly 0.45359237 kilograms.

How to use this weight converter

  1. Enter a number in either value field.
  2. Choose the starting and target units.
  3. Copy the calculated result or swap the direction.

Convert kilograms, pounds, stones and grams

Use the converter in either direction for body weight, parcel weights, recipes and everyday measurements. Enter a value on the left or right, then choose metric or imperial units; the reciprocal result updates immediately.

Common weight conversion formulas

One kilogram equals exactly 1,000 grams and approximately 2.20462262185 pounds. One pound equals exactly 0.45359237 kilograms. One stone equals 14 pounds, or exactly 6.35029318 kilograms. Results are rounded for readability while the calculation uses the full stored conversion factor.

How do you convert kilograms to pounds?

Multiply kilograms by approximately 2.20462. For example, 70 kilograms is about 154.323 pounds. To convert pounds back to kilograms, multiply by 0.45359237.

How do you convert pounds to stones?

Divide pounds by 14. A 168-pound weight is exactly 12 stones. To reverse the conversion, multiply stones by 14.

Grams, ounces and metric versus imperial weight

Use grams or kilograms for metric labels and ounces, pounds or stones for imperial labels. Do not confuse an ounce of mass with a fluid ounce, which measures volume; use the related cooking measurement converter for liquid measures.

Popular weight conversions

Jump straight to a specific pair, each with its own formula and conversion table.

More converters