Mass | |||||||
---|---|---|---|---|---|---|---|
system | unit | unit- code |
symbol or abbrev. |
notes | sample default conversion |
combinations | |
SI | kilogram | kg | kg | 1.0 kg (2.2 lb) |
| ||
gram | g | g | 1.0 g (0.035 oz) |
| |||
milligram | mg | mg | 1.0 mg (0.015 gr) |
| |||
microgram | μg (ug or mcg) |
μg | 1.0 μg (1.5×10−5 gr) | ||||
non-SI metric | tonne | t | t | 1.0 t (0.98 long tons; 1.1 short tons) |
| ||
metric ton | MT | t |
| ||||
Avoirdupois | long ton | LT | (none) | 2,240 lb used mostly in the British Commonwealth except Canada |
1.0 long ton (1.0 t) |
| |
short ton | ST | (none) | 2,000 lb used mostly in the US and Canada |
1.0 short ton (0.91 t) |
| ||
long hundredweight | long cwt | long cwt | 1.0 long cwt (110 lb; 51 kg) | ||||
short hundredweight | short cwt | short cwt | 1.0 short cwt (100 lb; 45 kg) | ||||
long quarter | long qtr | long qtr | 1.0 long qtr (28 lb; 13 kg) | ||||
short quarter | short qtr | short qtr | 1.0 short qtr (25 lb; 11 kg) | ||||
stone | st | st | 14 lb used mostly in the British Commonwealth except Canada |
1.0 st (14 lb; 6.4 kg) |
| ||
pound | lb | lb | 1.0 lb (0.45 kg) |
| |||
ounce | oz | oz | 1.0 oz (28 g) |
| |||
drachm | drachm | (none) | 1.0 drachm (1.8 g) | ||||
drachm | dram | (none) | |||||
grain | gr | gr | equivalent to the troy grain | 1.0 gr (0.065 g) | |||
Troy | troy pound | troy pound | (none) | 1.0 troy pound (0.82 lb; 0.37 kg) | |||
troy ounce | ozt | ozt | 1.0 ozt (1.1 oz; 31 g) | ||||
pennyweight | dwt | dwt | 1.0 dwt (0.055 oz; 1.6 g) | ||||
grain | gr | gr | equivalent to the avoirdupois grain | 1.0 gr (0.065 g) | |||
other | carat | carat | (none) | 1.0 carat (0.20 g) |