Marks Calc
11 units

Weight Converter

Convert between metric (kg, g, mg, tonne) and imperial (lb, oz, stone, US ton, UK ton) mass units.

Common weight conversions

FromEquivalent
1 kg1000 g · 1000000 mg · 1000000000 μg · 0.001 t · 2.204623 lb
5 kg5000 g · 5000000 mg · 5000000000 μg · 0.005 t · 11.023113 lb
10 kg10000 g · 10000000 mg · 10000000000 μg · 0.01 t · 22.046226 lb
100 kg100000 g · 100000000 mg · 100000000000 μg · 0.1 t · 220.462262 lb
1000 kg1000000 g · 1000000000 mg · 999999999999.9999 μg · 1 t · 2204.622622 lb

How the conversion works

Linear: `value × factor_from / factor_to`. Common: 1 lb = 0.45359237 kg, 1 kg ≈ 2.20462 lb.

When you'll use this converter

  • Cooking (g ↔ oz, kg ↔ lb)
  • Fitness and bodybuilding (kg ↔ lb)
  • Shipping and freight (tonne ↔ ton)
  • Jewellery and precious metals (g ↔ carat ↔ oz)

Frequently asked

How many pounds are in 1 kilogram?

1 kg ≈ 2.20462 lb. To convert kg to lb, multiply by 2.20462.

What is 1 stone in pounds?

1 stone = 14 pounds = 6.35029318 kg exactly.

Are tonne and ton the same?

No. A metric tonne is 1,000 kg. A US short ton is 2,000 lb (≈907.18 kg) and a UK long ton is 2,240 lb (≈1,016 kg).