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Weight Converter

Convert between metric and imperial units of mass.

Inputs
Enter your values below.
Result
Your answer appears here.

Enter values and press Calculate — the result appears here.

How it works
The formula behind this calculator.

1 kg = 2.20462 lb; 1 lb = 453.592 g; 1 stone = 14 lb = 6.35029 kg

value, from, to
Source value and unit

Mass and weight are technically different (mass is intrinsic, weight is gravitational force), but on Earth they convert 1:1 with the right unit.

Example: 1 kg = 2.20 lb; 1 lb = 453.6 g

Ref: SI kilogram definition (since 2019, by Planck constant)

Tips
  • 💡 1 kg = 2.20462 lb. 1 lb = 453.592 g.
  • 💡 Stone is still used in the UK and Ireland: 1 stone = 14 lb = 6.35 kg.

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