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 |
earth radius | 5.9007981478575 × 10-11R⊕ | 1.1801596295715 × 10-10R⊕ | 1.7702394443572 × 10-10R⊕ | 2.360319259143 × 10-10R⊕ | 2.9503990739287 × 10-10R⊕ | 3.5404788887145 × 10-10R⊕ | 4.1305587035002 × 10-10R⊕ | 4.720638518286 × 10-10R⊕ | 5.3107183330717 × 10-10R⊕ | 5.9007981478575 × 10-10R⊕ | 6.4908779626432 × 10-10R⊕ | 7.080957777429 × 10-10R⊕ | 7.6710375922147 × 10-10R⊕ | 8.2611174070005 × 10-10R⊕ | 8.8511972217862 × 10-10R⊕ | 9.441277036572 × 10-10R⊕ | 1.0031356851358 × 10-9R⊕ | 1.0621436666143 × 10-9R⊕ | 1.1211516480929 × 10-9R⊕ | 1.1801596295715 × 10-9R⊕ | 1.2391676110501 × 10-9R⊕ | 1.2981755925286 × 10-9R⊕ | 1.3571835740072 × 10-9R⊕ | 1.4161915554858 × 10-9R⊕ | 1.4751995369644 × 10-9R⊕ | 1.5342075184429 × 10-9R⊕ | 1.5932154999215 × 10-9R⊕ | 1.6522234814001 × 10-9R⊕ | 1.7112314628787 × 10-9R⊕ | 1.7702394443572 × 10-9R⊕ | 1.8292474258358 × 10-9R⊕ | 1.8882554073144 × 10-9R⊕ | 1.947263388793 × 10-9R⊕ | 2.0062713702715 × 10-9R⊕ | 2.0652793517501 × 10-9R⊕ | 2.1242873332287 × 10-9R⊕ | 2.1832953147073 × 10-9R⊕ | 2.2423032961858 × 10-9R⊕ | 2.3013112776644 × 10-9R⊕ | 2.360319259143 × 10-9R⊕ | 2.4193272406216 × 10-9R⊕ | 2.4783352221001 × 10-9R⊕ | 2.5373432035787 × 10-9R⊕ | 2.5963511850573 × 10-9R⊕ | 2.6553591665359 × 10-9R⊕ | 2.7143671480144 × 10-9R⊕ | 2.773375129493 × 10-9R⊕ | 2.8323831109716 × 10-9R⊕ | 2.8913910924502 × 10-9R⊕ | 2.9503990739287 × 10-9R⊕ | 3.0094070554073 × 10-9R⊕ | 3.0684150368859 × 10-9R⊕ | 3.1274230183645 × 10-9R⊕ | 3.186430999843 × 10-9R⊕ | 3.2454389813216 × 10-9R⊕ | 3.3044469628002 × 10-9R⊕ | 3.3634549442788 × 10-9R⊕ | 3.4224629257573 × 10-9R⊕ | 3.4814709072359 × 10-9R⊕ | 3.5404788887145 × 10-9R⊕ | 3.5994868701931 × 10-9R⊕ | 3.6584948516716 × 10-9R⊕ | 3.7175028331502 × 10-9R⊕ | 3.7765108146288 × 10-9R⊕ | 3.8355187961074 × 10-9R⊕ | 3.8945267775859 × 10-9R⊕ | 3.9535347590645 × 10-9R⊕ | 4.0125427405431 × 10-9R⊕ | 4.0715507220217 × 10-9R⊕ | 4.1305587035002 × 10-9R⊕ | 4.1895666849788 × 10-9R⊕ | 4.2485746664574 × 10-9R⊕ | 4.307582647936 × 10-9R⊕ | 4.3665906294145 × 10-9R⊕ | 4.4255986108931 × 10-9R⊕ | 4.4846065923717 × 10-9R⊕ | 4.5436145738503 × 10-9R⊕ | 4.6026225553288 × 10-9R⊕ | 4.6616305368074 × 10-9R⊕ | 4.720638518286 × 10-9R⊕ | 4.7796464997646 × 10-9R⊕ | 4.8386544812431 × 10-9R⊕ | 4.8976624627217 × 10-9R⊕ | 4.9566704442003 × 10-9R⊕ | 5.0156784256789 × 10-9R⊕ | 5.0746864071574 × 10-9R⊕ | 5.133694388636 × 10-9R⊕ | 5.1927023701146 × 10-9R⊕ | 5.2517103515932 × 10-9R⊕ | 5.3107183330717 × 10-9R⊕ | 5.3697263145503 × 10-9R⊕ | 5.4287342960289 × 10-9R⊕ | 5.4877422775075 × 10-9R⊕ | 5.546750258986 × 10-9R⊕ | 5.6057582404646 × 10-9R⊕ | 5.6647662219432 × 10-9R⊕ | 5.7237742034218 × 10-9R⊕ | 5.7827821849003 × 10-9R⊕ | 5.8417901663789 × 10-9R⊕ | 5.9007981478575 × 10-9R⊕ |
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) | earth radius | points (Didot; European) | earth radius |
---|---|---|---|
1 | ≈ 5.9007981478575E-11 | 4 | ≈ 2.360319259143E-10 |
1.5 | ≈ 8.8511972217862E-11 | 4.5 | ≈ 2.6553591665359E-10 |
2 | ≈ 1.1801596295715E-10 | 5 | ≈ 2.9503990739287E-10 |
2.5 | ≈ 1.4751995369644E-10 | 5.5 | ≈ 3.2454389813216E-10 |
3 | ≈ 1.7702394443572E-10 | 6 | ≈ 3.5404788887145E-10 |
Earth radius is the distance from Earth's center to its surface, about 6,371 km (3,959 mi). This length is also used as a unit of distance, especially in astronomy and geology, where it is usually denoted by R⊕.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
earth radius | R⊕ | ≈ 6,371 km | ≈ 6,371 km | Science - Astronomy (Length) |
earth radius | points (Didot; European) | earth radius | points (Didot; European) |
---|---|---|---|
1 | ≈ 16946859983.053 | 4 | ≈ 67787439932.213 |
1.5 | ≈ 25420289974.58 | 4.5 | ≈ 76260869923.739 |
2 | ≈ 33893719966.106 | 5 | ≈ 84734299915.266 |
2.5 | ≈ 42367149957.633 | 5.5 | ≈ 93207729906.792 |
3 | ≈ 50840579949.159 | 6 | ≈ 101681159898.32 |
points (Didot; European) | earth radius |
---|---|
1 | ≈ 5.9007981478575 × 10-11 |
16,946,859,983.053 | ≈ 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 …) |