firkin | 1 firkin | 2 firkin | 3 firkin | 4 firkin | 5 firkin | 6 firkin | 7 firkin | 8 firkin | 9 firkin | 10 firkin | 11 firkin | 12 firkin | 13 firkin | 14 firkin | 15 firkin | 16 firkin | 17 firkin | 18 firkin | 19 firkin | 20 firkin | 21 firkin | 22 firkin | 23 firkin | 24 firkin | 25 firkin | 26 firkin | 27 firkin | 28 firkin | 29 firkin | 30 firkin | 31 firkin | 32 firkin | 33 firkin | 34 firkin | 35 firkin | 36 firkin | 37 firkin | 38 firkin | 39 firkin | 40 firkin | 41 firkin | 42 firkin | 43 firkin | 44 firkin | 45 firkin | 46 firkin | 47 firkin | 48 firkin | 49 firkin | 50 firkin | 51 firkin | 52 firkin | 53 firkin | 54 firkin | 55 firkin | 56 firkin | 57 firkin | 58 firkin | 59 firkin | 60 firkin | 61 firkin | 62 firkin | 63 firkin | 64 firkin | 65 firkin | 66 firkin | 67 firkin | 68 firkin | 69 firkin | 70 firkin | 71 firkin | 72 firkin | 73 firkin | 74 firkin | 75 firkin | 76 firkin | 77 firkin | 78 firkin | 79 firkin | 80 firkin | 81 firkin | 82 firkin | 83 firkin | 84 firkin | 85 firkin | 86 firkin | 87 firkin | 88 firkin | 89 firkin | 90 firkin | 91 firkin | 92 firkin | 93 firkin | 94 firkin | 95 firkin | 96 firkin | 97 firkin | 98 firkin | 99 firkin | 100 firkin |
acre-inch | 0.0003980 ac in | 0.0007961 ac in | 0.0011941 ac in | 0.0015922 ac in | 0.0019902 ac in | 0.0023883 ac in | 0.0027863 ac in | 0.0031843 ac in | 0.0035824 ac in | 0.0039804 ac in | 0.0043785 ac in | 0.0047765 ac in | 0.0051745 ac in | 0.0055726 ac in | 0.0059706 ac in | 0.0063687 ac in | 0.0067667 ac in | 0.0071648 ac in | 0.0075628 ac in | 0.0079608 ac in | 0.0083589 ac in | 0.0087569 ac in | 0.0091550 ac in | 0.0095530 ac in | 0.0099511 ac in | 0.0103491 ac in | 0.0107471 ac in | 0.0111452 ac in | 0.0115432 ac in | 0.0119413 ac in | 0.0123393 ac in | 0.0127373 ac in | 0.0131354 ac in | 0.0135334 ac in | 0.0139315 ac in | 0.0143295 ac in | 0.0147276 ac in | 0.0151256 ac in | 0.0155236 ac in | 0.0159217 ac in | 0.0163197 ac in | 0.0167178 ac in | 0.0171158 ac in | 0.0175139 ac in | 0.0179119 ac in | 0.0183099 ac in | 0.0187080 ac in | 0.0191060 ac in | 0.0195041 ac in | 0.0199021 ac in | 0.0203001 ac in | 0.0206982 ac in | 0.0210962 ac in | 0.0214943 ac in | 0.0218923 ac in | 0.0222904 ac in | 0.0226884 ac in | 0.0230864 ac in | 0.0234845 ac in | 0.0238825 ac in | 0.0242806 ac in | 0.0246786 ac in | 0.0250767 ac in | 0.0254747 ac in | 0.0258727 ac in | 0.0262708 ac in | 0.0266688 ac in | 0.0270669 ac in | 0.0274649 ac in | 0.0278629 ac in | 0.0282610 ac in | 0.0286590 ac in | 0.0290571 ac in | 0.0294551 ac in | 0.0298532 ac in | 0.0302512 ac in | 0.0306492 ac in | 0.0310473 ac in | 0.0314453 ac in | 0.0318434 ac in | 0.0322414 ac in | 0.0326395 ac in | 0.0330375 ac in | 0.0334355 ac in | 0.0338336 ac in | 0.0342316 ac in | 0.0346297 ac in | 0.0350277 ac in | 0.0354257 ac in | 0.0358238 ac in | 0.0362218 ac in | 0.0366199 ac in | 0.0370179 ac in | 0.0374160 ac in | 0.0378140 ac in | 0.0382120 ac in | 0.0386101 ac in | 0.0390081 ac in | 0.0394062 ac in | 0.0398042 ac in |
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 |
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 |
firkins | acre-inches |
---|---|
1 | = 0.0003980 |
2,512.2969685 | = 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 …) |