The factor
One kilogram is 2.20462 lb. Body weight in the US is quoted in pounds; most of the world uses kilograms.
Body weight context
- 70 kg = 154.3 lb
- 80 kg = 176.4 lb
- 1 stone = 14 lb = 6.35 kg (UK body weight)
- Airline baggage limits are usually kg outside the US
Rounding in practice
Multiply by 2.2 for a fast estimate — it is 0.2% off, which is under half a pound at 80 kg. Use the exact factor when filling in forms or medical records.
Kitchen relevance
Bulk purchases (a 25 kg sack of flour, a 5 kg bag of sugar) are priced in kg; US recipes work in pounds. Convert before comparing unit prices.
Frequently Asked Questions
How many pounds in a kilogram?
2.20462 lb. Multiply by 2.2 for a quick estimate.
How do I convert body weight quickly?
Multiply kg by 2.2 and accept up to half a pound of error.
Is a stone heavier than a kilogram?
Yes — 1 stone is 6.35 kg (14 lb).
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