← Lab Tools

Weight Converter

Convert between weight units

Weight units

Common conversions

  • 1 kg = 2.20 lbs = 35.27 oz = 1000 g
  • 1 lb = 16 oz = 453.59 g = 0.45 kg
  • 1 stone = 14 lbs = 6.35 kg

Exact by definition

Since 1959 the pound is exactly 0.45359237 kg. An ounce is a sixteenth of a pound, a stone fourteen pounds. The converter uses these values, so its results are exact to the decimals shown.

1 lb = 0.45359237 kg · 1 oz = 28.349523125 g · 1 st = 14 lb = 6.35029318 kg