Pounds to Kilograms Converter
Convert pounds to kilograms instantly with our free online converter. Type any lb value and see the kg result live. The reference table covers common body weights from 1 lb to 220 lbs.
Formula:[value] lb ÷ 2.205 = [result] kg
How to convert Pounds to Kilograms
lb ÷ 2.205 = kg
For example: 100 lb ÷ 2.205 = 45.36 kg
↑ Use the converter aboveCommon Pounds to Kilograms conversions
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 lb | 0.4536 kg |
| 5 lb | 2.268 kg |
| 10 lb | 4.536 kg |
| 50 lb | 22.68 kg |
| 100 lb | 45.36 kg |
| 110 lb | 49.9 kg |
| 120 lb | 54.43 kg |
| 130 lb | 58.97 kg |
| 140 lb | 63.5 kg |
| 150 lb | 68.04 kg |
| 160 lb | 72.57 kg |
| 180 lb | 81.65 kg |
| 200 lb | 90.72 kg |
| 220 lb | 99.79 kg |
About this conversion
Pounds to kilograms is the reverse of the world's most searched weight conversion. Americans and some British people know their weight in pounds; the rest of the world uses kilograms. The pound is defined as exactly 0.45359237 kg. Quick reference: 100 lbs = 45.36 kg, 120 lbs = 54.43 kg, 140 lbs = 63.50 kg, 150 lbs = 68.04 kg, 160 lbs = 72.57 kg, 180 lbs = 81.65 kg, 200 lbs = 90.72 kg. Medical facilities worldwide use kilograms for drug dosing — converting patient weight from pounds to kg is clinically important. US product packaging uses pounds, while EU food labelling requires grams and kilograms, making this conversion essential for international e-commerce and nutrition tracking.