spat | 1 S | 2 S | 3 S | 4 S | 5 S | 6 S | 7 S | 8 S | 9 S | 10 S | 11 S | 12 S | 13 S | 14 S | 15 S | 16 S | 17 S | 18 S | 19 S | 20 S | 21 S | 22 S | 23 S | 24 S | 25 S | 26 S | 27 S | 28 S | 29 S | 30 S | 31 S | 32 S | 33 S | 34 S | 35 S | 36 S | 37 S | 38 S | 39 S | 40 S | 41 S | 42 S | 43 S | 44 S | 45 S | 46 S | 47 S | 48 S | 49 S | 50 S | 51 S | 52 S | 53 S | 54 S | 55 S | 56 S | 57 S | 58 S | 59 S | 60 S | 61 S | 62 S | 63 S | 64 S | 65 S | 66 S | 67 S | 68 S | 69 S | 70 S | 71 S | 72 S | 73 S | 74 S | 75 S | 76 S | 77 S | 78 S | 79 S | 80 S | 81 S | 82 S | 83 S | 84 S | 85 S | 86 S | 87 S | 88 S | 89 S | 90 S | 91 S | 92 S | 93 S | 94 S | 95 S | 96 S | 97 S | 98 S | 99 S | 100 S |
french; charriere | 3.0 × 1015 F | 6.0 × 1015 F | 9.0 × 1015 F | 1.2 × 1016 F | 1.5 × 1016 F | 1.8 × 1016 F | 2.1 × 1016 F | 2.4 × 1016 F | 2.7 × 1016 F | 3.0 × 1016 F | 3.3 × 1016 F | 3.6 × 1016 F | 3.9 × 1016 F | 4.2 × 1016 F | 4.5 × 1016 F | 4.8 × 1016 F | 5.1 × 1016 F | 5.4 × 1016 F | 5.7 × 1016 F | 6.0 × 1016 F | 6.3 × 1016 F | 6.6 × 1016 F | 6.9 × 1016 F | 7.2 × 1016 F | 7.5 × 1016 F | 7.8 × 1016 F | 8.1 × 1016 F | 8.4 × 1016 F | 8.7 × 1016 F | 9.0 × 1016 F | 9.3 × 1016 F | 9.6 × 1016 F | 9.9 × 1016 F | 1.02 × 1017 F | 1.05 × 1017 F | 1.08 × 1017 F | 1.11 × 1017 F | 1.14 × 1017 F | 1.17 × 1017 F | 1.2 × 1017 F | 1.23 × 1017 F | 1.26 × 1017 F | 1.29 × 1017 F | 1.32 × 1017 F | 1.35 × 1017 F | 1.38 × 1017 F | 1.41 × 1017 F | 1.44 × 1017 F | 1.47 × 1017 F | 1.5 × 1017 F | 1.53 × 1017 F | 1.56 × 1017 F | 1.59 × 1017 F | 1.62 × 1017 F | 1.65 × 1017 F | 1.68 × 1017 F | 1.71 × 1017 F | 1.74 × 1017 F | 1.77 × 1017 F | 1.8 × 1017 F | 1.83 × 1017 F | 1.86 × 1017 F | 1.89 × 1017 F | 1.92 × 1017 F | 1.95 × 1017 F | 1.98 × 1017 F | 2.01 × 1017 F | 2.04 × 1017 F | 2.07 × 1017 F | 2.1 × 1017 F | 2.13 × 1017 F | 2.16 × 1017 F | 2.19 × 1017 F | 2.22 × 1017 F | 2.25 × 1017 F | 2.28 × 1017 F | 2.31 × 1017 F | 2.34 × 1017 F | 2.37 × 1017 F | 2.4 × 1017 F | 2.43 × 1017 F | 2.46 × 1017 F | 2.49 × 1017 F | 2.52 × 1017 F | 2.55 × 1017 F | 2.58 × 1017 F | 2.61 × 1017 F | 2.64 × 1017 F | 2.67 × 1017 F | 2.7 × 1017 F | 2.73 × 1017 F | 2.76 × 1017 F | 2.79 × 1017 F | 2.82 × 1017 F | 2.85 × 1017 F | 2.88 × 1017 F | 2.91 × 1017 F | 2.94 × 1017 F | 2.97 × 1017 F | 3.0 × 1017 F |
The spat (symbol S) is also an obsolete unit of distance used in astronomy. It is equal to 1000000000 kilometres (1 Tm or 1012 m). It is about 6.6846 astronomical units (AU), 1.057×10−4 light-years or3.240×10−5 parsecs.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
spat | S | ≡ 1×1012 m | ≡ 1×1012 m | Science - Astronomy (Length) |
spats | french; charriere | spats | french; charriere |
---|---|---|---|
1 | = 3.0E+15 | 4 | = 1.2E+16 |
1.5 | = 4.5E+15 | 4.5 | = 1.35E+16 |
2 | = 6.0E+15 | 5 | = 1.5E+16 |
2.5 | = 7.5E+15 | 5.5 | = 1.65E+16 |
3 | = 9.0E+15 | 6 | = 1.8E+16 |
The French scale or French gauge system is commonly used to measure the size of a catheter. It is most often abbreviated as Fr, but can often be seen abbreviated as Fg, Ga, FR or F. It may also be abbreviated as CH or Ch (for Charrière, its inventor).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
french; charriere | F | ≡ 1⁄3 mm | = 0.3×10−3 m | Other (Length) |
french; charriere | spats | french; charriere | spats |
---|---|---|---|
1 | = 3.3333333333333E-16 | 4 | = 1.3333333333333E-15 |
1.5 | = 5.0E-16 | 4.5 | = 1.5E-15 |
2 | = 6.6666666666667E-16 | 5 | = 1.6666666666667E-15 |
2.5 | = 8.3333333333333E-16 | 5.5 | = 1.8333333333333E-15 |
3 | = 1.0E-15 | 6 | = 2.0E-15 |
spats | french; charriere |
---|---|
1 | = 3.0 × 1015 |
3.3333333333333 × 10-16 | = 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 …) |