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How to Calculate Weight Conversion

What is Weight Conversion?

A weight and mass conversion calculator switches between metric (kg, g, mg) and imperial (lbs, oz, stone) and other mass units used globally.

Formula

1 kg = 2.20462 lb = 35.274 oz | 1 stone = 14 lb = 6.35029 kg | 1 metric ton = 1000 kg = 2204.62 lb
kg
Kilograms (metric)
lb
Pounds (imperial/US)
st
Stone (UK/Ireland)

Step-by-Step Guide

  1. 11 kg = 2.20462 lbs = 35.274 oz
  2. 21 lb = 453.592 g = 16 oz
  3. 31 stone = 14 lbs = 6.350 kg
  4. 41 tonne (metric) = 1,000 kg = 2,204.6 lbs

Worked Examples

Input
75 kg to stone and pounds
Result
75 / 6.350 = 11.81 stone = 11 stone 11.3 lbs

Frequently Asked Questions

What's heavier: 1 pound or 1 kilogram?

1 kg = 2.20 lb. Kilogram is heavier. Pound is smaller unit.

How do I convert 150 pounds to kilograms?

150 lb ÷ 2.20462 ≈ 68.04 kg.

What's a stone used for?

UK/Ireland: body weight. 14 stone = 196 lb ≈ 89 kg. Less common now; metric preferred.

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