| finger | 1 finger (US) | 2 finger (US) | 3 finger (US) | 4 finger (US) | 5 finger (US) | 6 finger (US) | 7 finger (US) | 8 finger (US) | 9 finger (US) | 10 finger (US) | 11 finger (US) | 12 finger (US) | 13 finger (US) | 14 finger (US) | 15 finger (US) | 16 finger (US) | 17 finger (US) | 18 finger (US) | 19 finger (US) | 20 finger (US) | 21 finger (US) | 22 finger (US) | 23 finger (US) | 24 finger (US) | 25 finger (US) | 26 finger (US) | 27 finger (US) | 28 finger (US) | 29 finger (US) | 30 finger (US) | 31 finger (US) | 32 finger (US) | 33 finger (US) | 34 finger (US) | 35 finger (US) | 36 finger (US) | 37 finger (US) | 38 finger (US) | 39 finger (US) | 40 finger (US) | 41 finger (US) | 42 finger (US) | 43 finger (US) | 44 finger (US) | 45 finger (US) | 46 finger (US) | 47 finger (US) | 48 finger (US) | 49 finger (US) | 50 finger (US) | 51 finger (US) | 52 finger (US) | 53 finger (US) | 54 finger (US) | 55 finger (US) | 56 finger (US) | 57 finger (US) | 58 finger (US) | 59 finger (US) | 60 finger (US) | 61 finger (US) | 62 finger (US) | 63 finger (US) | 64 finger (US) | 65 finger (US) | 66 finger (US) | 67 finger (US) | 68 finger (US) | 69 finger (US) | 70 finger (US) | 71 finger (US) | 72 finger (US) | 73 finger (US) | 74 finger (US) | 75 finger (US) | 76 finger (US) | 77 finger (US) | 78 finger (US) | 79 finger (US) | 80 finger (US) | 81 finger (US) | 82 finger (US) | 83 finger (US) | 84 finger (US) | 85 finger (US) | 86 finger (US) | 87 finger (US) | 88 finger (US) | 89 finger (US) | 90 finger (US) | 91 finger (US) | 92 finger (US) | 93 finger (US) | 94 finger (US) | 95 finger (US) | 96 finger (US) | 97 finger (US) | 98 finger (US) | 99 finger (US) | 100 finger (US) |
| thou | 875 th | 1 750 th | 2 625 th | 3 500 th | 4 375 th | 5 250 th | 6 125 th | 7 000 th | 7 875 th | 8 750 th | 9 625 th | 10 500 th | 11 375 th | 12 250 th | 13 125 th | 14 000 th | 14 875 th | 15 750 th | 16 625 th | 17 500 th | 18 375 th | 19 250 th | 20 125 th | 21 000 th | 21 875 th | 22 750 th | 23 625 th | 24 500 th | 25 375 th | 26 250 th | 27 125 th | 28 000 th | 28 875 th | 29 750 th | 30 625 th | 31 500 th | 32 375 th | 33 250 th | 34 125 th | 35 000 th | 35 875 th | 36 750 th | 37 625 th | 38 500 th | 39 375 th | 40 250 th | 41 125 th | 42 000 th | 42 875 th | 43 750 th | 44 625 th | 45 500 th | 46 375 th | 47 250 th | 48 125 th | 49 000 th | 49 875 th | 50 750 th | 51 625 th | 52 500 th | 53 375 th | 54 250 th | 55 125 th | 56 000 th | 56 875 th | 57 750 th | 58 625 th | 59 500 th | 60 375 th | 61 250 th | 62 125 th | 63 000 th | 63 875 th | 64 750 th | 65 625 th | 66 500 th | 67 375 th | 68 250 th | 69 125 th | 70 000 th | 70 875 th | 71 750 th | 72 625 th | 73 500 th | 74 375 th | 75 250 th | 76 125 th | 77 000 th | 77 875 th | 78 750 th | 79 625 th | 80 500 th | 81 375 th | 82 250 th | 83 125 th | 84 000 th | 84 875 th | 85 750 th | 86 625 th | 87 500 th |
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 | finger (US) | ≡ 7⁄8 in | = 0.022225 m | Imperial/US |
| finger | thous | finger | thous |
|---|---|---|---|
| 1 | = 875 | 4 | = 3500 |
| 1.5 | = 1312.5 | 4.5 | = 3937.5 |
| 2 | = 1750 | 5 | = 4375 |
| 2.5 | = 2187.5 | 5.5 | = 4812.5 |
| 3 | = 2625 | 6 | = 5250 |
A thousandth of an inch is a derived unit of length in an inch-based system of units. Equal to 0.001 inches, it is normally referred to as a thou /ˈθaʊ/, a thousandth, or (particularly in the United States) a mil.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| thou | th | ≡ 1×10−3 in | ≡ 2.54×10−5 m | Imperial/US |
| thous | finger | thous | finger |
|---|---|---|---|
| 1 | = 0.0011428571428571 | 4 | = 0.0045714285714286 |
| 1.5 | = 0.0017142857142857 | 4.5 | = 0.0051428571428571 |
| 2 | = 0.0022857142857143 | 5 | = 0.0057142857142857 |
| 2.5 | = 0.0028571428571429 | 5.5 | = 0.0062857142857143 |
| 3 | = 0.0034285714285714 | 6 | = 0.0068571428571429 |
| finger | thous |
|---|---|
| 1 | = 875 |
| 0.0011429 | = 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 …) |