| Unit | Symbol | Definition | Conversion to SI units |
| acre-foot |
ac ft |
= 1 ac x 1 ft = 43 560 ft3 |
= 1 233.481 837 547 52 m3 |
| acre-inch |
|
= 1 ac x 1 in |
= 102.790 153 128 96 m3 |
| barrel (Imperial) |
bl (Imp) |
= 36 gal (Imp) |
= 0.163 659 24 m3 |
| barrel (petroleum) |
bl; bbl |
= 42 gal (US) |
= 0.158 987 294 928 m3 |
| barrel (U.S. dry) |
bl (US) |
= 105 qt (US) = 105/32 bu (US lvl) |
= 0.115 628 198 985 075 m3 |
| barrel (U.S. fluid) |
fl bl (US) |
= 31½ gal (US) |
= 0.119 240 471 196 m3 |
| board-foot |
fbm |
= 144 cu in |
= 2.359 737 216 x 10-3 m3 |
| bucket (Imperial) |
bkt |
= 4 gal (Imp) |
= 0.018 184 36 m3 |
| bushel (Imperial) |
bu (Imp) |
= 8 gal (Imp) |
= 0.036 368 72 m3 |
| bushel (U.S. dry heaped) |
bu (US) |
= 1 ¼ bu (US lvl) |
= 0.044 048 837 7086 m3 |
| bushel (U.S. dry level) |
bu (US lvl) |
= 2 150.42 cu in |
= 0.035 239 070 166 88 m3 |
| butt, pipe |
|
= 126 gal (wine) |
= 0.476 961 884 784 m3 |
| coomb |
|
= 4 bu (Imp) |
= 0.145 474 88 m3 |
| cord (firewood) |
|
= 8 ft x 4 ft x 4 ft |
= 3.624 556 363 776 m3 |
| cord-foot |
|
= 16 cu ft |
= 0.453 069 545 472 m3 |
| cubic fathom |
cu fm |
= 1 fm x 1 fm x 1 fm |
= 6.116 438 863 872 m3 |
| cubic foot |
cu ft |
= 1 ft x 1 ft x 1 ft |
= 0.028 316 846 592 m3 |
| cubic inch |
cu in |
= 1 in x 1 in x 1 in |
= 16.387 064 x 10-6 m3 |
| cubic metre (SI unit) |
m3 |
= 1 m x 1 m x 1 m |
= 1 m3 |
| cubic mile |
cu mi |
= 1 mi x 1 mi x 1 mi |
= 4 168 181 825.440 579 584 m3 |
| cubic yard |
cu yd |
= 27 cu ft |
= 0.764 554 857 984 m3 |
| cup (breakfast) |
|
= 10 fl oz (Imp) |
= 284.130 625 x 10-6 m3 |
| cup (Canadian) |
c (CA) |
= 8 fl oz (Imp) |
= 227.3045 x 10-6 m3 |
| cup (metric) |
c |
= 250.0 x 10-6 m3 |
= 250.0 x 10-6 m3 |
| cup (U.S. customary) |
c (US) |
= 8 US fl oz = 1/16 gal (US) |
= 236.588 2365 x 10-6 m3 |
| cup (U.S. food nutrition labeling) |
c (US) |
= 240 mL |
= 2.4x10-4 m3 |
| dash (Imperial) |
|
= 1/384 gi (Imp) = ½ pinch (Imp) |
= 369.961 751 302 08 3 x 10-9 m3 |
| dash (U.S.) |
|
= 1/96 US fl oz = ½ US pinch |
= 308.057 599 609 375 x 10-9 m3 |
| dessertspoon (Imperial) |
|
= 1/12 gi (Imp) |
= 11.838 776 0416 x 10-6 m3 |
| drop (Imperial) |
gtt |
= 1/288 fl oz (Imp) |
= 98.656 467 013 8 x 10-9 m3 |
| drop (Imperial) (alt) |
gtt |
= 1/1 824 gi (Imp) |
~ 77.886 684 x 10-9 m3 |
| drop (medical) |
|
= 1/12 ml |
= 83.03 x 10-9 m3 |
| drop (metric) |
|
= 1/20 mL |
= 50.0 x 10-9 m3 |
| drop (U.S.) |
gtt |
= 1/360 US fl oz |
= 82.148 693 22916 x 10-9 m3 |
| drop (U.S.) (alt) |
gtt |
= 1/456 US fl oz |
~ 64.854 231 x 10-9 m3 |
| fifth |
|
= 1/5 US gal |
= 757.082 3568 x 10-6 m3 |
| firkin |
|
= 9 gal (US) |
= 0.034 068 706 056 m3 |
| fluid drachm (Imperial) |
fl dr |
= ? fl oz (Imp) |
= 3.551 632 8125 x 10-6 m3 |
| fluid dram (U.S.); U.S. fluidram |
fl dr |
= ? US fl oz |
= 3.696 691 195 3125 x 10-6 m3 |
| fluid scruple (Imperial) |
fl s |
= 1/24 fl oz (Imp) |
= 1.183 877 60416 x 10-6 m3 |
| gallon (beer) |
beer gal |
= 282 cu in |
= 4.621 152 048 x 10-3 m3 |
| gallon (Imperial) |
gal (Imp) |
= 4.546? 09 L |
= 4.546 09 x 10-3 m3 |
| gallon (U.S. dry) |
gal (US) |
= ? bu (US lvl) |
= 4.404 883 770 86 x 10-3 m3 |
| gallon (U.S. fluid; Wine) |
gal (US) |
= 231 cu in |
= 3.785 411 784 x 10-3 m3 |
| gill (Imperial); Noggin |
gi (Imp); nog |
= 5 fl oz (Imp) |
= 142.065 3125 x 10-6 m3 |
| gill (U.S.) |
gi (US) |
= 4 US fl oz |
= 118.294 118 25 x 10-6 m3 |
| hogshead (Imperial) |
hhd (Imp) |
= 2 bl (Imp) |
= 0.327 318 48 m3 |
| hogshead (U.S.) |
hhd (US) |
= 2 fl bl (US) |
= 0.238 480 942 392 m3 |
| jigger (bartending) |
|
= 1½ US fl oz |
~ 44.36 x 10-6 m3 |
| kilderkin |
|
= 18 gal (Imp) |
= 0.081 829 62 m3 |
| lambda |
? |
= 1 mm3 |
= 1 x 10-9 m3 |
| last |
|
= 80 bu (Imp) |
= 2.909 4976 m3 |
| litre |
L |
= 1 dm3 |
= 0.001 m3 |
| load |
|
= 50 cu ft |
= 1.415 842 3296 m3 |
| minim (Imperial) |
min |
= 1/480 fl oz (Imp) = 1/60 fl dr (Imp) |
= 59.193 880 208 3 x 10-9 m3 |
| minim (U.S.) |
min |
= 1/480 US fl oz = 1/60 US fl dr |
= 61.611 519 921 875 x 10-9 m3 |
| ounce (fluid Imperial) |
fl oz (Imp) |
= 1/160 gal (Imp) |
= 28.413 0625 x 10-6 m3 |
| ounce (fluid U.S. customary) |
US fl oz |
= 1/128 gal (US) |
= 29.573 529 5625 x 10-6 m3 |
| ounce (fluid U.S. food nutrition labeling) |
US fl oz |
= 30 mL |
= 3x10-5 m3 |
| peck (Imperial) |
pk |
= 2 gal (Imp) |
= 9.092 18 x 10-3 m3 |
| peck (U.S. dry) |
pk |
= ¼ US lvl bu |
= 8.809 767 541 72 x 10-3 m3 |
| perch |
per |
= 16½ ft x 1½ ft x 1 ft |
= 0.700 841 953 152 m3 |
| pinch (Imperial) |
|
= 1/192 gi (Imp) = ? tsp (Imp) |
= 739.923 502 60416 x 10-9 m3 |
| pinch (U.S.) |
|
= 1/48 US fl oz = ? US tsp |
= 616.115 199 218 75 x 10-9 m3 |
| pint (Imperial) |
pt (Imp) |
= ? gal (Imp) |
= 568.261 25 x 10-6 m3 |
| pint (U.S. dry) |
pt (US dry) |
= 1/64 bu (US lvl) = ? gal (US dry) |
= 550.610 471 3575 x 10-6 m3 |
| pint (U.S. fluid) |
pt (US fl) |
= ? gal (US) |
= 473.176 473 x 10-6 m3 |
| pony |
|
= 3/4 US fl oz |
= 22.180 147 171 875 x 10-6 m3 |
| pottle; quartern |
|
= ½ gal (Imp) = 80 fl oz (Imp) |
= 2.273 045 x 10-3 m3 |
| quart (Imperial) |
qt (Imp) |
= ¼ gal (Imp) |
= 1.136 5225 x 10-3 m3 |
| quart (U.S. dry) |
qt (US) |
= 1/32 bu (US lvl) = ¼ gal (US dry) |
= 1.101 220 942 715 x 10-3 m3 |
| quart (U.S. fluid) |
qt (US) |
= ¼ gal (US fl) |
= 946.352 946 x 10-6 m3 |
| quarter; pail |
|
= 8 bu (Imp) |
= 0.290 949 76 m3 |
| register ton |
|
= 100 cu ft |
= 2.831 684 6592 m3 |
| sack (Imperial); bag |
|
= 3 bu (Imp) |
= 0.109 106 16 m3 |
| sack (U.S.) |
|
= 3 bu (US lvl) |
= 0.105 717 210 500 64 m3 |
| seam |
|
= 8 bu (US lvl) |
= 0.281 912 561 335 04 m3[citation needed] |
| shot |
|
= 1 US fl oz |
~ 29.57 x 10-6 m3 |
| strike (Imperial) |
|
= 2 bu (Imp) |
= 0.072 737 44 m3 |
| strike (U.S.) |
|
= 2 bu (US lvl) |
= 0.070 478 140 333 76 m3 |
| tablespoon (Canadian) |
tbsp |
= ½ fl oz (Imp) |
= 14.206 531 25 x 10-6 m3 |
| tablespoon (Imperial) |
tbsp |
= 5/8 fl oz (Imp) |
= 17.758 164 0625 x 10-6 m3 |
| tablespoon (metric) |
|
|
= 15.0 x 10-6 m3 |
| tablespoon (U.S. customary) |
tbsp |
= ½ US fl oz |
= 14.786 764 7825 x 10-6 m3 |
| tablespoon (U.S. food nutrition labeling) |
tbsp |
= 15 mL |
= 1.5x10-5 m3 |
| teaspoon (Canadian) |
tsp |
= 1/6 fl oz (Imp) |
= 4.735 510 416 x 10-6 m3 |
| teaspoon (Imperial) |
tsp |
= 1/24 gi (Imp) |
= 5.919 388 02083 x 10-6 m3 |
| teaspoon (metric) |
|
= 5.0 x 10-6 m3 |
= 5.0 x 10-6 m3 |
| teaspoon (U.S. customary) |
tsp |
= 1/6 US fl oz |
= 4.928 921 595 x 10-6 m3 |
| teaspoon (U.S. food nutrition labeling) |
tsp |
= 5 mL |
= 5x10-6 m3 |
| timber foot |
|
= 1 cu ft |
= 0.028 316 846 592 m3 |
| ton (displacement) |
|
= 35 cu ft |
= 0.991 089 630 72 m3 |
| ton (freight) |
|
= 40 cu ft |
= 1.132 673 863 68 m3 |
| ton (water) |
|
= 28 bu (Imp) |
= 1.018 324 16 m3 |
| tun |
|
= 252 gal (wine) |
= 0.953 923 769 568 m3 |
| wey (U.S.) |
|
= 40 bu (US lvl) |
= 1.409 562 806 6752 m3 |
