UK weight-loss calculator
kg to lbs converter
Convert kilograms to pounds. Also written as kg to pounds, the same conversion, either way you say it. Type into either box to convert in both directions.
Updated
kg = lb
Displayed values are rounded for readability, but the arithmetic uses the full precision of the internationally defined factors, a pound is exactly 0.45359237 kg and a stone is exactly 14 pounds, so converting back and forth will not drift.
Kilograms to Pounds
154.3 lb
70 kg converts to the figure on the left, exactly. Nothing in it is an approximation.
About kilograms and pounds
A pound is defined as exactly 0.45359237 kilograms, so converting the other way means dividing by that figure. One kilogram is about 2.20462 pounds.
For a rough mental conversion, doubling the kilograms and adding 10% gets you close: 70 kg doubled is 140, plus 10% is 154 pounds. The exact answer is 154.3.
The conversion
pounds = kg ÷ 0.45359237The table below is generated from the same conversion used by the tool above, so the two always agree.
| Kilograms | Pounds |
|---|---|
| 45 kg | 99.2 lb |
| 50 kg | 110.2 lb |
| 55 kg | 121.3 lb |
| 60 kg | 132.3 lb |
| 65 kg | 143.3 lb |
| 70 kg | 154.3 lb |
| 75 kg | 165.3 lb |
| 80 kg | 176.4 lb |
| 85 kg | 187.4 lb |
| 90 kg | 198.4 lb |
| 95 kg | 209.4 lb |
| 100 kg | 220.5 lb |
| 105 kg | 231.5 lb |
| 110 kg | 242.5 lb |
| 115 kg | 253.5 lb |
| 120 kg | 264.6 lb |
| 125 kg | 275.6 lb |
| 130 kg | 286.6 lb |
| 135 kg | 297.6 lb |
| 140 kg | 308.6 lb |
A note on rounding
Conversions are shown rounded for readability, weights to a tenth of a unit, heights to the nearest inch or centimetre. The underlying arithmetic uses the full precision of the internationally defined factors, so repeatedly converting back and forth will not drift.
Bathroom scales themselves are usually accurate to within a few hundred grams at best, and body weight varies by a kilogram or more across a single day. That variation is far larger than any rounding here.
Related calculators
Frequently asked questions
How many pounds are in a kilogram?
One kilogram is approximately 2.20462 pounds. The relationship is exact in the other direction: one pound is precisely 0.45359237 kilograms, by international agreement.
Important information
The calculators on this site provide general information and estimates. They are not medical advice and they do not diagnose any condition.
Everyone is different, and individual energy needs vary for reasons these equations cannot capture. If you have a health condition, take medication, are pregnant or breastfeeding, or have any concerns about your weight, speak to your GP, pharmacist or a registered dietitian.