| 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 |
| point (American, English) | 72.2720159 pt | 144.5440319 pt | 216.8160478 pt | 289.0880637 pt | 361.3600797 pt | 433.6320956 pt | 505.9041115 pt | 578.1761275 pt | 650.4481434 pt | 722.7201593 pt | 794.9921753 pt | 867.2641912 pt | 939.5362071 pt | 1,011.8082231 pt | 1,084.0802390 pt | 1,156.3522549 pt | 1,228.6242709 pt | 1,300.8962868 pt | 1,373.1683027 pt | 1,445.4403187 pt | 1,517.7123346 pt | 1,589.9843505 pt | 1,662.2563665 pt | 1,734.5283824 pt | 1,806.8003983 pt | 1,879.0724143 pt | 1,951.3444302 pt | 2,023.6164462 pt | 2,095.8884621 pt | 2,168.1604780 pt | 2,240.4324940 pt | 2,312.7045099 pt | 2,384.9765258 pt | 2,457.2485418 pt | 2,529.5205577 pt | 2,601.7925736 pt | 2,674.0645896 pt | 2,746.3366055 pt | 2,818.6086214 pt | 2,890.8806374 pt | 2,963.1526533 pt | 3,035.4246692 pt | 3,107.6966852 pt | 3,179.9687011 pt | 3,252.2407170 pt | 3,324.5127330 pt | 3,396.7847489 pt | 3,469.0567648 pt | 3,541.3287808 pt | 3,613.6007967 pt | 3,685.8728126 pt | 3,758.1448286 pt | 3,830.4168445 pt | 3,902.6888604 pt | 3,974.9608764 pt | 4,047.2328923 pt | 4,119.5049082 pt | 4,191.7769242 pt | 4,264.0489401 pt | 4,336.3209560 pt | 4,408.5929720 pt | 4,480.8649879 pt | 4,553.1370038 pt | 4,625.4090198 pt | 4,697.6810357 pt | 4,769.9530516 pt | 4,842.2250676 pt | 4,914.4970835 pt | 4,986.7690994 pt | 5,059.0411154 pt | 5,131.3131313 pt | 5,203.5851472 pt | 5,275.8571632 pt | 5,348.1291791 pt | 5,420.4011950 pt | 5,492.6732110 pt | 5,564.9452269 pt | 5,637.2172429 pt | 5,709.4892588 pt | 5,781.7612747 pt | 5,854.0332907 pt | 5,926.3053066 pt | 5,998.5773225 pt | 6,070.8493385 pt | 6,143.1213544 pt | 6,215.3933703 pt | 6,287.6653863 pt | 6,359.9374022 pt | 6,432.2094181 pt | 6,504.4814341 pt | 6,576.7534500 pt | 6,649.0254659 pt | 6,721.2974819 pt | 6,793.5694978 pt | 6,865.8415137 pt | 6,938.1135297 pt | 7,010.3855456 pt | 7,082.6575615 pt | 7,154.9295775 pt | 7,227.2015934 pt |
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 | points (American, English) | inches | points (American, English) |
|---|---|---|---|
| 1 | ≈ 72.272015933988 | 4 | ≈ 289.08806373595 |
| 1.5 | ≈ 108.40802390098 | 4.5 | ≈ 325.22407170294 |
| 2 | ≈ 144.54403186798 | 5 | ≈ 361.36007966994 |
| 2.5 | ≈ 180.68003983497 | 5.5 | ≈ 397.49608763693 |
| 3 | ≈ 216.81604780196 | 6 | ≈ 433.63209560393 |
In typography, the point is the smallest unit of measure. It is used for measuring font size, leading, and other items on a printed page.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| point (American, English) | pt | ≡ 1⁄72.272 in | ≈ 0.000351450 m | Other (Length) |
| points (American, English) | inches | points (American, English) | inches |
|---|---|---|---|
| 1 | ≈ 0.013836614173228 | 4 | ≈ 0.055346456692913 |
| 1.5 | ≈ 0.020754921259843 | 4.5 | ≈ 0.062264763779528 |
| 2 | ≈ 0.027673228346457 | 5 | ≈ 0.069183070866142 |
| 2.5 | ≈ 0.034591535433071 | 5.5 | ≈ 0.076101377952756 |
| 3 | ≈ 0.041509842519685 | 6 | ≈ 0.08301968503937 |
| inches | points (American, English) |
|---|---|
| 1 | ≈ 72.2720159 |
| 0.0138366 | ≈ 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 …) |