Convert pound to kilogram
1 lb = 0.45359237 kg
sig figs
1 lb = 0.454 kg
1 lb in every mass unit
| unified atomic mass unit (dalton) | 2.73e+26 u |
| picogram | 454,000,000,000,000 pg |
| nanogram | 454,000,000,000 ng |
| microgram | 454,000,000 μg |
| milligram | 454,000 mg |
| centigram | 45,400 cg |
| grain | 7,000 gr |
| metric carat | 2,270 ct |
| gram | 454 g |
| pennyweight | 292 dwt |
| dram | 256 dr |
| ounce | 16 oz |
| troy ounce | 14.6 oz t |
| troy pound | 1.22 lb t |
| pound | 1 lb |
| kilogram | 0.454 kg |
| stone | 0.0714 st |
| slug | 0.0311 slug |
| US hundredweight | 0.01 cwt |
| UK long hundredweight | 0.00893 cwt (UK) |
| quintal | 0.00454 q |
| US short ton | 0.0005 ton |
| metric tonne | 0.000454 t |
| UK long ton | 0.000446 long ton |
| kilotonne | 4.54e-07 kt |
| megatonne | 4.54e-10 Mt |
| gigatonne | 4.54e-13 Gt |
| Earth mass | 7.60e-26 Mearth |
| solar mass | 2.28e-31 Msun |
How the conversion works
Multiply by 0.45359237 to go from pound to kilogram, or divide by it to go back. Every conversion on this site routes through the SI value (kg) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? kilogram to pound: 1 kg = 2.204622622 lb.
pound to kilogram: common values
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 3 lb | 1.3607771 kg |
| 5 lb | 2.2679619 kg |
| 10 lb | 4.5359237 kg |
| 15 lb | 6.8038856 kg |
| 20 lb | 9.0718474 kg |
| 25 lb | 11.339809 kg |
| 50 lb | 22.679619 kg |
| 75 lb | 34.019428 kg |
| 100 lb | 45.359237 kg |
| 250 lb | 113.39809 kg |
| 500 lb | 226.79619 kg |
| 1000 lb | 453.59237 kg |