| cubic foot | 1 cu ft | 2 cu ft | 3 cu ft | 4 cu ft | 5 cu ft | 6 cu ft | 7 cu ft | 8 cu ft | 9 cu ft | 10 cu ft | 11 cu ft | 12 cu ft | 13 cu ft | 14 cu ft | 15 cu ft | 16 cu ft | 17 cu ft | 18 cu ft | 19 cu ft | 20 cu ft | 21 cu ft | 22 cu ft | 23 cu ft | 24 cu ft | 25 cu ft | 26 cu ft | 27 cu ft | 28 cu ft | 29 cu ft | 30 cu ft | 31 cu ft | 32 cu ft | 33 cu ft | 34 cu ft | 35 cu ft | 36 cu ft | 37 cu ft | 38 cu ft | 39 cu ft | 40 cu ft | 41 cu ft | 42 cu ft | 43 cu ft | 44 cu ft | 45 cu ft | 46 cu ft | 47 cu ft | 48 cu ft | 49 cu ft | 50 cu ft | 51 cu ft | 52 cu ft | 53 cu ft | 54 cu ft | 55 cu ft | 56 cu ft | 57 cu ft | 58 cu ft | 59 cu ft | 60 cu ft | 61 cu ft | 62 cu ft | 63 cu ft | 64 cu ft | 65 cu ft | 66 cu ft | 67 cu ft | 68 cu ft | 69 cu ft | 70 cu ft | 71 cu ft | 72 cu ft | 73 cu ft | 74 cu ft | 75 cu ft | 76 cu ft | 77 cu ft | 78 cu ft | 79 cu ft | 80 cu ft | 81 cu ft | 82 cu ft | 83 cu ft | 84 cu ft | 85 cu ft | 86 cu ft | 87 cu ft | 88 cu ft | 89 cu ft | 90 cu ft | 91 cu ft | 92 cu ft | 93 cu ft | 94 cu ft | 95 cu ft | 96 cu ft | 97 cu ft | 98 cu ft | 99 cu ft | 100 cu ft |
| acre-foot | 2.2956841138659 × 10-5 ac ft | 4.5913682277319 × 10-5 ac ft | 6.8870523415978 × 10-5 ac ft | 9.1827364554637 × 10-5 ac ft | 0.0001148 ac ft | 0.0001377 ac ft | 0.0001607 ac ft | 0.0001837 ac ft | 0.0002066 ac ft | 0.0002296 ac ft | 0.0002525 ac ft | 0.0002755 ac ft | 0.0002984 ac ft | 0.0003214 ac ft | 0.0003444 ac ft | 0.0003673 ac ft | 0.0003903 ac ft | 0.0004132 ac ft | 0.0004362 ac ft | 0.0004591 ac ft | 0.0004821 ac ft | 0.0005051 ac ft | 0.0005280 ac ft | 0.0005510 ac ft | 0.0005739 ac ft | 0.0005969 ac ft | 0.0006198 ac ft | 0.0006428 ac ft | 0.0006657 ac ft | 0.0006887 ac ft | 0.0007117 ac ft | 0.0007346 ac ft | 0.0007576 ac ft | 0.0007805 ac ft | 0.0008035 ac ft | 0.0008264 ac ft | 0.0008494 ac ft | 0.0008724 ac ft | 0.0008953 ac ft | 0.0009183 ac ft | 0.0009412 ac ft | 0.0009642 ac ft | 0.0009871 ac ft | 0.0010101 ac ft | 0.0010331 ac ft | 0.0010560 ac ft | 0.0010790 ac ft | 0.0011019 ac ft | 0.0011249 ac ft | 0.0011478 ac ft | 0.0011708 ac ft | 0.0011938 ac ft | 0.0012167 ac ft | 0.0012397 ac ft | 0.0012626 ac ft | 0.0012856 ac ft | 0.0013085 ac ft | 0.0013315 ac ft | 0.0013545 ac ft | 0.0013774 ac ft | 0.0014004 ac ft | 0.0014233 ac ft | 0.0014463 ac ft | 0.0014692 ac ft | 0.0014922 ac ft | 0.0015152 ac ft | 0.0015381 ac ft | 0.0015611 ac ft | 0.0015840 ac ft | 0.0016070 ac ft | 0.0016299 ac ft | 0.0016529 ac ft | 0.0016758 ac ft | 0.0016988 ac ft | 0.0017218 ac ft | 0.0017447 ac ft | 0.0017677 ac ft | 0.0017906 ac ft | 0.0018136 ac ft | 0.0018365 ac ft | 0.0018595 ac ft | 0.0018825 ac ft | 0.0019054 ac ft | 0.0019284 ac ft | 0.0019513 ac ft | 0.0019743 ac ft | 0.0019972 ac ft | 0.0020202 ac ft | 0.0020432 ac ft | 0.0020661 ac ft | 0.0020891 ac ft | 0.0021120 ac ft | 0.0021350 ac ft | 0.0021579 ac ft | 0.0021809 ac ft | 0.0022039 ac ft | 0.0022268 ac ft | 0.0022498 ac ft | 0.0022727 ac ft | 0.0022957 ac ft |
The cubic foot is an imperial and US customary (non-metric) unit of volume, used in the United States, and partially in Canada, and the United Kingdom. It is defined as the volume of a cube with sides of one foot (0.3048 m) in length. Its volume is 28.3168 liters or about 1⁄35 of a cubic meter.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| cubic foot | cu ft | ≡ 1 ft × 1 ft × 1 ft | ≡ 0.028 316 846 592 m3 | Imperial/US |
| cubic feet | acre-feet | cubic feet | acre-feet |
|---|---|---|---|
| 1 | = 2.2956841138659E-5 | 6 | = 0.00013774104683196 |
| 2 | = 4.5913682277319E-5 | 7 | = 0.00016069788797062 |
| 3 | = 6.8870523415978E-5 | 8 | = 0.00018365472910927 |
| 4 | = 9.1827364554637E-5 | 9 | = 0.00020661157024793 |
| 5 | = 0.0001147842056933 | 10 | = 0.00022956841138659 |
The acre-foot is a unit of volume commonly used in the United States in reference to large-scale water resources, such as reservoirs, aqueducts, canals, sewer flow capacity, irrigation water, and river flows.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| acre-foot | ac ft | ≡ 1 ac x 1 ft = 43560 cu ft | = 1233.48183754752 m3 | Imperial/US |
| acre-feet | cubic feet | acre-feet | cubic feet |
|---|---|---|---|
| 1 | = 43560 | 6 | = 261360 |
| 2 | = 87120 | 7 | = 304920 |
| 3 | = 130680 | 8 | = 348480 |
| 4 | = 174240 | 9 | = 392040 |
| 5 | = 217800 | 10 | = 435600 |
| cubic feet | acre-feet |
|---|---|
| 1 | = 2.2956841138659 × 10-5 |
| 43 560 | = 1 |
| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |