acre-inch | 1 ac in | 2 ac in | 3 ac in | 4 ac in | 5 ac in | 6 ac in | 7 ac in | 8 ac in | 9 ac in | 10 ac in | 11 ac in | 12 ac in | 13 ac in | 14 ac in | 15 ac in | 16 ac in | 17 ac in | 18 ac in | 19 ac in | 20 ac in | 21 ac in | 22 ac in | 23 ac in | 24 ac in | 25 ac in | 26 ac in | 27 ac in | 28 ac in | 29 ac in | 30 ac in | 31 ac in | 32 ac in | 33 ac in | 34 ac in | 35 ac in | 36 ac in | 37 ac in | 38 ac in | 39 ac in | 40 ac in | 41 ac in | 42 ac in | 43 ac in | 44 ac in | 45 ac in | 46 ac in | 47 ac in | 48 ac in | 49 ac in | 50 ac in | 51 ac in | 52 ac in | 53 ac in | 54 ac in | 55 ac in | 56 ac in | 57 ac in | 58 ac in | 59 ac in | 60 ac in | 61 ac in | 62 ac in | 63 ac in | 64 ac in | 65 ac in | 66 ac in | 67 ac in | 68 ac in | 69 ac in | 70 ac in | 71 ac in | 72 ac in | 73 ac in | 74 ac in | 75 ac in | 76 ac in | 77 ac in | 78 ac in | 79 ac in | 80 ac in | 81 ac in | 82 ac in | 83 ac in | 84 ac in | 85 ac in | 86 ac in | 87 ac in | 88 ac in | 89 ac in | 90 ac in | 91 ac in | 92 ac in | 93 ac in | 94 ac in | 95 ac in | 96 ac in | 97 ac in | 98 ac in | 99 ac in | 100 ac in |
firkin | 2,512.2969685 firkin | 5,024.5939370 firkin | 7,536.8909054 firkin | 10,049.1878739 firkin | 12,561.4848424 firkin | 15,073.7818109 firkin | 17,586.0787794 firkin | 20,098.3757478 firkin | 22,610.6727163 firkin | 25,122.9696848 firkin | 27,635.2666533 firkin | 30,147.5636218 firkin | 32,659.8605902 firkin | 35,172.1575587 firkin | 37,684.4545272 firkin | 40,196.7514957 firkin | 42,709.0484642 firkin | 45,221.3454327 firkin | 47,733.6424011 firkin | 50,245.9393696 firkin | 52,758.2363381 firkin | 55,270.5333066 firkin | 57,782.8302751 firkin | 60,295.1272435 firkin | 62,807.4242120 firkin | 65,319.7211805 firkin | 67,832.0181490 firkin | 70,344.3151175 firkin | 72,856.6120859 firkin | 75,368.9090544 firkin | 77,881.2060229 firkin | 80,393.5029914 firkin | 82,905.7999599 firkin | 85,418.0969283 firkin | 87,930.3938968 firkin | 90,442.6908653 firkin | 92,954.9878338 firkin | 95,467.2848023 firkin | 97,979.5817707 firkin | 100,491.8787392 firkin | 103,004.1757077 firkin | 105,516.4726762 firkin | 108,028.7696447 firkin | 110,541.0666132 firkin | 113,053.3635816 firkin | 115,565.6605501 firkin | 118,077.9575186 firkin | 120,590.2544871 firkin | 123,102.5514556 firkin | 125,614.8484240 firkin | 128,127.1453925 firkin | 130,639.4423610 firkin | 133,151.7393295 firkin | 135,664.0362980 firkin | 138,176.3332664 firkin | 140,688.6302349 firkin | 143,200.9272034 firkin | 145,713.2241719 firkin | 148,225.5211404 firkin | 150,737.8181088 firkin | 153,250.1150773 firkin | 155,762.4120458 firkin | 158,274.7090143 firkin | 160,787.0059828 firkin | 163,299.3029512 firkin | 165,811.5999197 firkin | 168,323.8968882 firkin | 170,836.1938567 firkin | 173,348.4908252 firkin | 175,860.7877936 firkin | 178,373.0847621 firkin | 180,885.3817306 firkin | 183,397.6786991 firkin | 185,909.9756676 firkin | 188,422.2726361 firkin | 190,934.5696045 firkin | 193,446.8665730 firkin | 195,959.1635415 firkin | 198,471.4605100 firkin | 200,983.7574785 firkin | 203,496.0544469 firkin | 206,008.3514154 firkin | 208,520.6483839 firkin | 211,032.9453524 firkin | 213,545.2423209 firkin | 216,057.5392893 firkin | 218,569.8362578 firkin | 221,082.1332263 firkin | 223,594.4301948 firkin | 226,106.7271633 firkin | 228,619.0241317 firkin | 231,131.3211002 firkin | 233,643.6180687 firkin | 236,155.9150372 firkin | 238,668.2120057 firkin | 241,180.5089741 firkin | 243,692.8059426 firkin | 246,205.1029111 firkin | 248,717.3998796 firkin | 251,229.6968481 firkin |
The acre-inch 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-inch | ac in | ≡ 1 ac × 1 in | = 102.79015312896 m3 | Imperial/US |
acre-inches | firkins | acre-inches | firkins |
---|---|---|---|
1 | = 2512.2969684806 | 6 | = 15073.781810884 |
2 | = 5024.5939369612 | 7 | = 17586.078779364 |
3 | = 7536.8909054418 | 8 | = 20098.375747845 |
4 | = 10049.187873922 | 9 | = 22610.672716325 |
5 | = 12561.484842403 | 10 | = 25122.969684806 |
The ale or beer firkin (from Middle Dutch vierdekijn meaning "fourth") is a quarter of an ale or beer barrel or half a kilderkin. This unit is much smaller than the wine firkin. Casks in this size (themselves called firkins) are the most common container for cask ale.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
firkin | ≡ 9 gal (imp) | = 0.04091481 m3 | Imperial/US |
firkins | acre-inches | firkins | acre-inches |
---|---|---|---|
1 | = 0.00039804211546089 | 6 | = 0.0023882526927653 |
2 | = 0.00079608423092178 | 7 | = 0.0027862948082262 |
3 | = 0.0011941263463827 | 8 | = 0.0031843369236871 |
4 | = 0.0015921684618436 | 9 | = 0.003582379039148 |
5 | = 0.0019902105773044 | 10 | = 0.0039804211546089 |
acre-inches | firkins |
---|---|
1 | = 2,512.2969685 |
0.0003980 | = 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 …) |