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 (Didot; European) | 67.5639999 pt | 135.1279999 pt | 202.6919998 pt | 270.2559997 pt | 337.8199997 pt | 405.3839996 pt | 472.9479995 pt | 540.5119995 pt | 608.0759994 pt | 675.6399993 pt | 743.2039993 pt | 810.7679992 pt | 878.3319991 pt | 945.8959991 pt | 1,013.4599990 pt | 1,081.0239989 pt | 1,148.5879989 pt | 1,216.1519988 pt | 1,283.7159987 pt | 1,351.2799986 pt | 1,418.8439986 pt | 1,486.4079985 pt | 1,553.9719984 pt | 1,621.5359984 pt | 1,689.0999983 pt | 1,756.6639982 pt | 1,824.2279982 pt | 1,891.7919981 pt | 1,959.3559980 pt | 2,026.9199980 pt | 2,094.4839979 pt | 2,162.0479978 pt | 2,229.6119978 pt | 2,297.1759977 pt | 2,364.7399976 pt | 2,432.3039976 pt | 2,499.8679975 pt | 2,567.4319974 pt | 2,634.9959974 pt | 2,702.5599973 pt | 2,770.1239972 pt | 2,837.6879972 pt | 2,905.2519971 pt | 2,972.8159970 pt | 3,040.3799970 pt | 3,107.9439969 pt | 3,175.5079968 pt | 3,243.0719968 pt | 3,310.6359967 pt | 3,378.1999966 pt | 3,445.7639966 pt | 3,513.3279965 pt | 3,580.8919964 pt | 3,648.4559964 pt | 3,716.0199963 pt | 3,783.5839962 pt | 3,851.1479961 pt | 3,918.7119961 pt | 3,986.2759960 pt | 4,053.8399959 pt | 4,121.4039959 pt | 4,188.9679958 pt | 4,256.5319957 pt | 4,324.0959957 pt | 4,391.6599956 pt | 4,459.2239955 pt | 4,526.7879955 pt | 4,594.3519954 pt | 4,661.9159953 pt | 4,729.4799953 pt | 4,797.0439952 pt | 4,864.6079951 pt | 4,932.1719951 pt | 4,999.7359950 pt | 5,067.2999949 pt | 5,134.8639949 pt | 5,202.4279948 pt | 5,269.9919947 pt | 5,337.5559947 pt | 5,405.1199946 pt | 5,472.6839945 pt | 5,540.2479945 pt | 5,607.8119944 pt | 5,675.3759943 pt | 5,742.9399943 pt | 5,810.5039942 pt | 5,878.0679941 pt | 5,945.6319941 pt | 6,013.1959940 pt | 6,080.7599939 pt | 6,148.3239939 pt | 6,215.8879938 pt | 6,283.4519937 pt | 6,351.0159936 pt | 6,418.5799936 pt | 6,486.1439935 pt | 6,553.7079934 pt | 6,621.2719934 pt | 6,688.8359933 pt | 6,756.3999932 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 (Didot; European) | inches | points (Didot; European) |
---|---|---|---|
1 | ≈ 67.563999932436 | 4 | ≈ 270.25599972974 |
1.5 | ≈ 101.34599989865 | 4.5 | ≈ 304.03799969596 |
2 | ≈ 135.12799986487 | 5 | ≈ 337.81999966218 |
2.5 | ≈ 168.90999983109 | 5.5 | ≈ 371.6019996284 |
3 | ≈ 202.69199979731 | 6 | ≈ 405.38399959462 |
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 (Didot; European) | pt | ≡ 1⁄12 × 1⁄72 of pied du roi; | ≈ 0.00037597 m; | Other (Length) |
points (Didot; European) | inches | points (Didot; European) | inches |
---|---|---|---|
1 | ≈ 0.014800781496063 | 4 | ≈ 0.059203125984252 |
1.5 | ≈ 0.022201172244094 | 4.5 | ≈ 0.066603516732283 |
2 | ≈ 0.029601562992126 | 5 | ≈ 0.074003907480315 |
2.5 | ≈ 0.037001953740157 | 5.5 | ≈ 0.081404298228346 |
3 | ≈ 0.044402344488189 | 6 | ≈ 0.088804688976378 |
inches | points (Didot; European) |
---|---|
1 | ≈ 67.5639999 |
0.0148008 | ≈ 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 …) |