Kilogram to Pound
Convert kilogram (kg) to pound (lb) instantly. Perfect for parcels, groceries and body weight.
Kilogram → Pound
2.2046
lb
1 kg = 2.2046 lb
Frequently asked questions
2.20462262 pounds, because the international avoirdupois pound is defined as exactly 0.45359237 kilograms. Since the 2019 SI redefinition, the kilogram is fixed by the Planck constant, so the pound is ultimately defined by a fundamental constant too.
Double the kilograms and add 10% of the result. For 80 kg, that is 160 plus 16 = 176 lb against an exact 176.4. The method is accurate to within a quarter of a percent at any value.
Convert to pounds first, then divide by 14. 70 kg is 154.32 lb, which is 11 stone with a remainder of about 4.5 lb — so 11 stone 4 lb. Note that this cannot be read as 11.4 of anything; the pounds are a remainder out of fourteen, not a decimal.
One kilogram is 2.20462 pounds
A kilogram converts to 2.20462262 pounds, because the international avoirdupois pound is defined as exactly 0.45359237 kilograms.
Pounds = kilograms × 2.20462
That definition, agreed in 1959, means the pound is now derived from the kilogram rather than the other way round. Since the 2019 SI redefinition the kilogram itself is fixed by the Planck constant rather than by a physical artefact, so the pound is ultimately defined by a fundamental constant too.
Where the conversion is needed in India
India weighs in kilograms for essentially everything, so this conversion is almost always about reading foreign material:
Fitness content. American and British training programmes prescribe loads in pounds, and gym plates in India are metric. A 225 lb bench press is 102 kg; a 315 lb squat is 143 kg. The common "plate" milestones do not translate to round metric numbers, which is why Indian lifters tend to work in kilograms from the start.
Airline baggage. Most carriers serving India state allowances in kilograms, but US domestic carriers and some transatlantic routes use pounds — typically 50 lb, which is 22.7 kg, slightly below the 23 kg that many international allowances specify.
Recipes and nutrition from American sources.
Medical literature and body weight in foreign research.
Common values
- 1 kg = 2.2 lb
- 5 kg = 11.02 lb
- 10 kg = 22.05 lb
- 20 kg = 44.09 lb
- 50 kg = 110.23 lb
- 70 kg = 154.32 lb
- 100 kg = 220.46 lb
Stones, for British weights
British body weight is usually expressed in stones and pounds, which needs a further step. One stone is 14 pounds.
70 kg = 154.32 lb. Divide by 14: 11 stone, with a remainder of 0.32 × 14 ≈ 4.5 lb. So 11 stone 4 lb.
A weight given as "11 stone 4" cannot be read as 11.4 of anything — the pounds are a remainder out of fourteen, not a decimal.
Mass and weight are different quantities
Worth stating because the units get used loosely. The kilogram measures mass — how much matter is present, which does not change with location. Weight is the force gravity exerts on that mass, measured properly in newtons.
In everyday use the distinction is ignored because gravity is near enough constant across the Earth's surface. It matters in physics, in aviation and space contexts, and in precision weighing, where local gravitational variation is actually corrected for in high-accuracy balances.
The pound has the same ambiguity — pound-mass and pound-force are distinct units that share a name, which is one reason the imperial system is awkward for engineering calculation.
A mental approximation
Double it and add 10%. For 80 kg: 160 + 16 = 176 lb against an exact 176.4. The method is accurate to within a quarter of a percent at any value.