Mass
The coherent SI unit for Mass is the kilogram, kg.
Factors in boldface are exact.
| Convert | From | To | Multiply | Std |
|---|---|---|---|---|
| gram | g | kg | 1.0 x 10-3 | 2 |
| milligram | mg | kg | 1.0 x 10-6 | 2 |
| microgram | µg | kg | 1.0 x 10-9 | 2 |
| pound (avoirdupois) | lb | kg | 0.45359237 | 1 |
| thousand pound (avoirdupois) | k.lb | kg | 453.59237 | 2 |
| million pound (avoirdupois) | M.lb | kg | 4.5359237 x 105 | 2 |
| tonne (metric) | tonne | kg | 1000 | 2 |
| ton (short) | short ton | kg | 907.18474 | 2 |
| ton (long) | long ton | kg | 1016.0469088 | 2 |
1: BS 350:2004 Table 15
2: BS 350:2004 Section 15