Mass converter
29 units, SI unit kg. Every conversion runs through the SI base value, so round-trips are exact.
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 |
One kilogram in every unit
| unified atomic mass unit (dalton) (u) | 6.0221408e+26 u |
| picogram (pg) | 1,000,000,000,000,000 pg |
| nanogram (ng) | 1,000,000,000,000 ng |
| microgram (μg) | 1,000,000,000 μg |
| milligram (mg) | 1,000,000 mg |
| centigram (cg) | 100,000 cg |
| grain (gr) | 15,432.358 gr |
| metric carat (ct) | 5,000 ct |
| gram (g) | 1,000 g |
| pennyweight (dwt) | 643.01493 dwt |
| dram (dr) | 564.38339 dr |
| ounce (oz) | 35.273962 oz |
| troy ounce (oz t) | 32.150747 oz t |
| troy pound (lb t) | 2.6792289 lb t |
| pound (lb) | 2.2046226 lb |
| kilogram (kg) | 1 kg |
| stone (st) | 0.15747304 st |
| slug (slug) | 0.068521766 slug |
| US hundredweight (cwt) | 0.022046226 cwt |
| UK long hundredweight (cwt (UK)) | 0.019684131 cwt (UK) |
| quintal (q) | 0.01 q |
| US short ton (ton) | 0.0011023113 ton |
| metric tonne (t) | 0.001 t |
| UK long ton (long ton) | 0.00098420653 long ton |
| kilotonne (kt) | 0.000001 kt |
| megatonne (Mt) | 1.0000000e-09 Mt |
| gigatonne (Gt) | 1.0000000e-12 Gt |
| Earth mass (Mearth) | 1.6744248e-25 Mearth |
| solar mass (Msun) | 5.0291439e-31 Msun |