point (Didot; European) | 1 pt | 2 pt | 3 pt | 4 pt | 5 pt | 6 pt | 7 pt | 8 pt | 9 pt | 10 pt | 11 pt | 12 pt | 13 pt | 14 pt | 15 pt | 16 pt | 17 pt | 18 pt | 19 pt | 20 pt | 21 pt | 22 pt | 23 pt | 24 pt | 25 pt | 26 pt | 27 pt | 28 pt | 29 pt | 30 pt | 31 pt | 32 pt | 33 pt | 34 pt | 35 pt | 36 pt | 37 pt | 38 pt | 39 pt | 40 pt | 41 pt | 42 pt | 43 pt | 44 pt | 45 pt | 46 pt | 47 pt | 48 pt | 49 pt | 50 pt | 51 pt | 52 pt | 53 pt | 54 pt | 55 pt | 56 pt | 57 pt | 58 pt | 59 pt | 60 pt | 61 pt | 62 pt | 63 pt | 64 pt | 65 pt | 66 pt | 67 pt | 68 pt | 69 pt | 70 pt | 71 pt | 72 pt | 73 pt | 74 pt | 75 pt | 76 pt | 77 pt | 78 pt | 79 pt | 80 pt | 81 pt | 82 pt | 83 pt | 84 pt | 85 pt | 86 pt | 87 pt | 88 pt | 89 pt | 90 pt | 91 pt | 92 pt | 93 pt | 94 pt | 95 pt | 96 pt | 97 pt | 98 pt | 99 pt | 100 pt |
quarter | 0.0016445 qr. | 0.0032891 qr. | 0.0049336 qr. | 0.0065781 qr. | 0.0082227 qr. | 0.0098672 qr. | 0.0115117 qr. | 0.0131563 qr. | 0.0148008 qr. | 0.0164453 qr. | 0.0180898 qr. | 0.0197344 qr. | 0.0213789 qr. | 0.0230234 qr. | 0.0246680 qr. | 0.0263125 qr. | 0.0279570 qr. | 0.0296016 qr. | 0.0312461 qr. | 0.0328906 qr. | 0.0345352 qr. | 0.0361797 qr. | 0.0378242 qr. | 0.0394688 qr. | 0.0411133 qr. | 0.0427578 qr. | 0.0444023 qr. | 0.0460469 qr. | 0.0476914 qr. | 0.0493359 qr. | 0.0509805 qr. | 0.0526250 qr. | 0.0542695 qr. | 0.0559141 qr. | 0.0575586 qr. | 0.0592031 qr. | 0.0608477 qr. | 0.0624922 qr. | 0.0641367 qr. | 0.0657813 qr. | 0.0674258 qr. | 0.0690703 qr. | 0.0707148 qr. | 0.0723594 qr. | 0.0740039 qr. | 0.0756484 qr. | 0.0772930 qr. | 0.0789375 qr. | 0.0805820 qr. | 0.0822266 qr. | 0.0838711 qr. | 0.0855156 qr. | 0.0871602 qr. | 0.0888047 qr. | 0.0904492 qr. | 0.0920938 qr. | 0.0937383 qr. | 0.0953828 qr. | 0.0970273 qr. | 0.0986719 qr. | 0.1003164 qr. | 0.1019609 qr. | 0.1036055 qr. | 0.1052500 qr. | 0.1068945 qr. | 0.1085391 qr. | 0.1101836 qr. | 0.1118281 qr. | 0.1134727 qr. | 0.1151172 qr. | 0.1167617 qr. | 0.1184063 qr. | 0.1200508 qr. | 0.1216953 qr. | 0.1233398 qr. | 0.1249844 qr. | 0.1266289 qr. | 0.1282734 qr. | 0.1299180 qr. | 0.1315625 qr. | 0.1332070 qr. | 0.1348516 qr. | 0.1364961 qr. | 0.1381406 qr. | 0.1397852 qr. | 0.1414297 qr. | 0.1430742 qr. | 0.1447188 qr. | 0.1463633 qr. | 0.1480078 qr. | 0.1496523 qr. | 0.1512969 qr. | 0.1529414 qr. | 0.1545859 qr. | 0.1562305 qr. | 0.1578750 qr. | 0.1595195 qr. | 0.1611641 qr. | 0.1628086 qr. | 0.1644531 qr. |
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) | quarters | points (Didot; European) | quarters |
---|---|---|---|
1 | ≈ 0.0016445312773403 | 4 | ≈ 0.0065781251093613 |
1.5 | ≈ 0.0024667969160105 | 4.5 | ≈ 0.0074003907480315 |
2 | ≈ 0.0032890625546807 | 5 | ≈ 0.0082226563867017 |
2.5 | ≈ 0.0041113281933508 | 5.5 | ≈ 0.0090449220253718 |
3 | ≈ 0.004933593832021 | 6 | ≈ 0.009867187664042 |
The quarter (lit. "one-fourth") is used as the name of several distinct English units based on ¼ sizes of some base unit.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter | qr. | ≡ 1⁄4 yd | = 0.2286 m | Metric system SI |
quarters | points (Didot; European) | quarters | points (Didot; European) |
---|---|---|---|
1 | ≈ 608.07599939192 | 4 | ≈ 2432.3039975677 |
1.5 | ≈ 912.11399908789 | 4.5 | ≈ 2736.3419972637 |
2 | ≈ 1216.1519987838 | 5 | ≈ 3040.3799969596 |
2.5 | ≈ 1520.1899984798 | 5.5 | ≈ 3344.4179966556 |
3 | ≈ 1824.2279981758 | 6 | ≈ 3648.4559963515 |
points (Didot; European) | quarters |
---|---|
1 | ≈ 0.0016445 |
608.0759994 | ≈ 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 …) |