lb
Definition
The pound equals 453.59237 grams exactly since 1959. It is the standard weight unit in the United States and widely used in the UK alongside kilograms. Adult body weight in the US is quoted in pounds (130–200 lb typical range). Boxing heavyweight division is above 200 lb.
Common uses
- Human body weight in the US and UK
- Grocery and retail food pricing in the US
- Boxing and wrestling weight divisions
🌍 Real-world scale
An average adult is 130–200 lb. US airline luggage allowance is usually 50 lb (22.7 kg). A gallon of milk weighs about 8.6 lb.
Convert from pounds
11 conversionsPound to Kilogram1 lb = 0.4536 kgPound to Gram1 lb = 453.592 gPound to Milligram1 lb = 453,592.37 mgPound to Microgram1 lb = 453,592,370 µgPound to Ounce1 lb = 16 ozPound to Metric Ton1 lb = 0.0004536 tPound to US Ton1 lb = 0.0005 ton (US)Pound to UK Ton1 lb = 0.0004464 ton (UK)Pound to Stone1 lb = 0.07143 stPound to Carat1 lb = 2,267.96 ctPound to Grain1 lb = 7,000 gr
Convert to pounds
11 conversionsKilogram to Pound1 kg = 2.20462 lbGram to Pound1 g = 0.002205 lbMilligram to Pound1 mg = 2.2046e-6 lbMicrogram to Pound1 µg = 2.2046e-9 lbOunce to Pound1 oz = 0.0625 lbMetric Ton to Pound1 t = 2,204.62 lbUS Ton to Pound1 ton (US) = 2,000 lbUK Ton to Pound1 ton (UK) = 2,240 lbStone to Pound1 st = 14 lbCarat to Pound1 ct = 0.0004409 lbGrain to Pound1 gr = 0.0001429 lb
Tips
- 1 lb ≈ 453.6 g ≈ ½ kg. For mental conversion: kg = lb / 2.2.
- 1 lb = 16 oz exactly. American recipes often mix pounds and ounces.
- UK shop labels often show kg and lb together; US labels are pounds only.
Common mistakes
- Using 2 instead of 2.205 when converting lb to kg — a 10% error on airline luggage.
- Confusing mass pounds (lb) with pound-force (lbf) in engineering.
- Assuming a British and American pound are different — they are identical (0.45359237 kg).
FAQ about the pound
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