inch | 1 in | 2 in | 3 in | 4 in | 5 in | 6 in | 7 in | 8 in | 9 in | 10 in | 11 in | 12 in | 13 in | 14 in | 15 in | 16 in | 17 in | 18 in | 19 in | 20 in | 21 in | 22 in | 23 in | 24 in | 25 in | 26 in | 27 in | 28 in | 29 in | 30 in | 31 in | 32 in | 33 in | 34 in | 35 in | 36 in | 37 in | 38 in | 39 in | 40 in | 41 in | 42 in | 43 in | 44 in | 45 in | 46 in | 47 in | 48 in | 49 in | 50 in | 51 in | 52 in | 53 in | 54 in | 55 in | 56 in | 57 in | 58 in | 59 in | 60 in | 61 in | 62 in | 63 in | 64 in | 65 in | 66 in | 67 in | 68 in | 69 in | 70 in | 71 in | 72 in | 73 in | 74 in | 75 in | 76 in | 77 in | 78 in | 79 in | 80 in | 81 in | 82 in | 83 in | 84 in | 85 in | 86 in | 87 in | 88 in | 89 in | 90 in | 91 in | 92 in | 93 in | 94 in | 95 in | 96 in | 97 in | 98 in | 99 in | 100 in |
finger (cloth) | 0.2222222 finger (cloth) | 0.4444444 finger (cloth) | 0.6666667 finger (cloth) | 0.8888889 finger (cloth) | 1.1111111 finger (cloth) | 1.3333333 finger (cloth) | 1.5555556 finger (cloth) | 1.7777778 finger (cloth) | 2 finger (cloth) | 2.2222222 finger (cloth) | 2.4444444 finger (cloth) | 2.6666667 finger (cloth) | 2.8888889 finger (cloth) | 3.1111111 finger (cloth) | 3.3333333 finger (cloth) | 3.5555556 finger (cloth) | 3.7777778 finger (cloth) | 4 finger (cloth) | 4.2222222 finger (cloth) | 4.4444444 finger (cloth) | 4.6666667 finger (cloth) | 4.8888889 finger (cloth) | 5.1111111 finger (cloth) | 5.3333333 finger (cloth) | 5.5555556 finger (cloth) | 5.7777778 finger (cloth) | 6 finger (cloth) | 6.2222222 finger (cloth) | 6.4444444 finger (cloth) | 6.6666667 finger (cloth) | 6.8888889 finger (cloth) | 7.1111111 finger (cloth) | 7.3333333 finger (cloth) | 7.5555556 finger (cloth) | 7.7777778 finger (cloth) | 8 finger (cloth) | 8.2222222 finger (cloth) | 8.4444444 finger (cloth) | 8.6666667 finger (cloth) | 8.8888889 finger (cloth) | 9.1111111 finger (cloth) | 9.3333333 finger (cloth) | 9.5555556 finger (cloth) | 9.7777778 finger (cloth) | 10 finger (cloth) | 10.2222222 finger (cloth) | 10.4444444 finger (cloth) | 10.6666667 finger (cloth) | 10.8888889 finger (cloth) | 11.1111111 finger (cloth) | 11.3333333 finger (cloth) | 11.5555556 finger (cloth) | 11.7777778 finger (cloth) | 12 finger (cloth) | 12.2222222 finger (cloth) | 12.4444444 finger (cloth) | 12.6666667 finger (cloth) | 12.8888889 finger (cloth) | 13.1111111 finger (cloth) | 13.3333333 finger (cloth) | 13.5555556 finger (cloth) | 13.7777778 finger (cloth) | 14 finger (cloth) | 14.2222222 finger (cloth) | 14.4444444 finger (cloth) | 14.6666667 finger (cloth) | 14.8888889 finger (cloth) | 15.1111111 finger (cloth) | 15.3333333 finger (cloth) | 15.5555556 finger (cloth) | 15.7777778 finger (cloth) | 16 finger (cloth) | 16.2222222 finger (cloth) | 16.4444444 finger (cloth) | 16.6666667 finger (cloth) | 16.8888889 finger (cloth) | 17.1111111 finger (cloth) | 17.3333333 finger (cloth) | 17.5555556 finger (cloth) | 17.7777778 finger (cloth) | 18 finger (cloth) | 18.2222222 finger (cloth) | 18.4444444 finger (cloth) | 18.6666667 finger (cloth) | 18.8888889 finger (cloth) | 19.1111111 finger (cloth) | 19.3333333 finger (cloth) | 19.5555556 finger (cloth) | 19.7777778 finger (cloth) | 20 finger (cloth) | 20.2222222 finger (cloth) | 20.4444444 finger (cloth) | 20.6666667 finger (cloth) | 20.8888889 finger (cloth) | 21.1111111 finger (cloth) | 21.3333333 finger (cloth) | 21.5555556 finger (cloth) | 21.7777778 finger (cloth) | 22 finger (cloth) | 22.2222222 finger (cloth) |
The inch (abbreviation: in or ″) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to 1⁄36 yard but usually understood as 1⁄12 of a foot. Derived from the Roman uncia ("twelfth"), inch is also sometimes used to translate related units in other measurement systems, usually understood as deriving from the width of the human thumb.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
inch | in | ≡ 2.54 cm ≡ 1⁄36 yd ≡ 1⁄12 ft | ≡ 0.0254 m | Imperial/US |
inches | finger (cloth) | inches | finger (cloth) |
---|---|---|---|
1 | = 0.22222222222222 | 4 | = 0.88888888888889 |
1.5 | = 0.33333333333333 | 4.5 | = 1 |
2 | = 0.44444444444444 | 5 | = 1.1111111111111 |
2.5 | = 0.55555555555556 | 5.5 | = 1.2222222222222 |
3 | = 0.66666666666667 | 6 | = 1.3333333333333 |
A finger (sometimes fingerbreadth or finger's breadth) is any of several units of measurement that are approximately the width of an adult human finger, including:
The digit, also known as digitus or digitus transversus (Latin), dactyl (Greek) or dactylus, or finger's breadth — 3⁄4 of an inch or 1⁄16 of a foot
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
finger (cloth) | ≡ 4 ⁄12 in | = 0.1143 m | Other (Length) |
finger (cloth) | inches | finger (cloth) | inches |
---|---|---|---|
1 | = 4.5 | 4 | = 18 |
1.5 | = 6.75 | 4.5 | = 20.25 |
2 | = 9 | 5 | = 22.5 |
2.5 | = 11.25 | 5.5 | = 24.75 |
3 | = 13.5 | 6 | = 27 |
inches | finger (cloth) |
---|---|
1 | = 0.2222222 |
4.5 | = 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 …) |