US customary units — the system most Americans grew up with.
Type a value, pick units
0.4536
1 lb = 0.4536 kg
US customary units
- Length: in → ft → yd → mi (12, 3, 1760).
- Mass: oz → lb → ton (16 oz = 1 lb, 2000 lb = 1 short ton).
- Volume: fl oz → cup → pint → quart → gallon (8, 2, 2, 4).
Your turn
How many ounces are in 3 pounds?
The US 'short ton' is 2000 lb (≈907 kg), the UK 'long ton' is 2240 lb (≈1016 kg), and the 'tonne' is 1000 kg — three different tons.
Length / mass / volume
- Length: in, ft, yd, mi.
- Mass: oz, lb, ton.
- Volume: fl oz, cup, pint, quart, gallon.