petameter | 1 Pm | 2 Pm | 3 Pm | 4 Pm | 5 Pm | 6 Pm | 7 Pm | 8 Pm | 9 Pm | 10 Pm | 11 Pm | 12 Pm | 13 Pm | 14 Pm | 15 Pm | 16 Pm | 17 Pm | 18 Pm | 19 Pm | 20 Pm | 21 Pm | 22 Pm | 23 Pm | 24 Pm | 25 Pm | 26 Pm | 27 Pm | 28 Pm | 29 Pm | 30 Pm | 31 Pm | 32 Pm | 33 Pm | 34 Pm | 35 Pm | 36 Pm | 37 Pm | 38 Pm | 39 Pm | 40 Pm | 41 Pm | 42 Pm | 43 Pm | 44 Pm | 45 Pm | 46 Pm | 47 Pm | 48 Pm | 49 Pm | 50 Pm | 51 Pm | 52 Pm | 53 Pm | 54 Pm | 55 Pm | 56 Pm | 57 Pm | 58 Pm | 59 Pm | 60 Pm | 61 Pm | 62 Pm | 63 Pm | 64 Pm | 65 Pm | 66 Pm | 67 Pm | 68 Pm | 69 Pm | 70 Pm | 71 Pm | 72 Pm | 73 Pm | 74 Pm | 75 Pm | 76 Pm | 77 Pm | 78 Pm | 79 Pm | 80 Pm | 81 Pm | 82 Pm | 83 Pm | 84 Pm | 85 Pm | 86 Pm | 87 Pm | 88 Pm | 89 Pm | 90 Pm | 91 Pm | 92 Pm | 93 Pm | 94 Pm | 95 Pm | 96 Pm | 97 Pm | 98 Pm | 99 Pm | 100 Pm |
french; charriere | 3.0 × 1018 F | 6.0 × 1018 F | 9.0 × 1018 F | 1.2 × 1019 F | 1.5 × 1019 F | 1.8 × 1019 F | 2.1 × 1019 F | 2.4 × 1019 F | 2.7 × 1019 F | 3.0 × 1019 F | 3.3 × 1019 F | 3.6 × 1019 F | 3.9 × 1019 F | 4.2 × 1019 F | 4.5 × 1019 F | 4.8 × 1019 F | 5.1 × 1019 F | 5.4 × 1019 F | 5.7 × 1019 F | 6.0 × 1019 F | 6.3 × 1019 F | 6.6 × 1019 F | 6.9 × 1019 F | 7.2 × 1019 F | 7.5 × 1019 F | 7.8 × 1019 F | 8.1 × 1019 F | 8.4 × 1019 F | 8.7 × 1019 F | 9.0 × 1019 F | 9.3 × 1019 F | 9.6 × 1019 F | 9.9 × 1019 F | 1.02 × 1020 F | 1.05 × 1020 F | 1.08 × 1020 F | 1.11 × 1020 F | 1.14 × 1020 F | 1.17 × 1020 F | 1.2 × 1020 F | 1.23 × 1020 F | 1.26 × 1020 F | 1.29 × 1020 F | 1.32 × 1020 F | 1.35 × 1020 F | 1.38 × 1020 F | 1.41 × 1020 F | 1.44 × 1020 F | 1.47 × 1020 F | 1.5 × 1020 F | 1.53 × 1020 F | 1.56 × 1020 F | 1.59 × 1020 F | 1.62 × 1020 F | 1.65 × 1020 F | 1.68 × 1020 F | 1.71 × 1020 F | 1.74 × 1020 F | 1.77 × 1020 F | 1.8 × 1020 F | 1.83 × 1020 F | 1.86 × 1020 F | 1.89 × 1020 F | 1.92 × 1020 F | 1.95 × 1020 F | 1.98 × 1020 F | 2.01 × 1020 F | 2.04 × 1020 F | 2.07 × 1020 F | 2.1 × 1020 F | 2.13 × 1020 F | 2.16 × 1020 F | 2.19 × 1020 F | 2.22 × 1020 F | 2.25 × 1020 F | 2.28 × 1020 F | 2.31 × 1020 F | 2.34 × 1020 F | 2.37 × 1020 F | 2.4 × 1020 F | 2.43 × 1020 F | 2.46 × 1020 F | 2.49 × 1020 F | 2.52 × 1020 F | 2.55 × 1020 F | 2.58 × 1020 F | 2.61 × 1020 F | 2.64 × 1020 F | 2.67 × 1020 F | 2.7 × 1020 F | 2.73 × 1020 F | 2.76 × 1020 F | 2.79 × 1020 F | 2.82 × 1020 F | 2.85 × 1020 F | 2.88 × 1020 F | 2.91 × 1020 F | 2.94 × 1020 F | 2.97 × 1020 F | 3.0 × 1020 F |
Petameter or petametre is equal to 1015 meters (unit of length), comes from a combination of the metric prefix peta (P) and the SI unit of length meter (m). Plural name is petameters.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
petameter | Pm | ≡ 1×1015 m | ≡ 1×1015 m | Metric system SI |
petameters | french; charriere | petameters | french; charriere |
---|---|---|---|
1 | = 3.0E+18 | 4 | = 1.2E+19 |
1.5 | = 4.5E+18 | 4.5 | = 1.35E+19 |
2 | = 6.0E+18 | 5 | = 1.5E+19 |
2.5 | = 7.5E+18 | 5.5 | = 1.65E+19 |
3 | = 9.0E+18 | 6 | = 1.8E+19 |
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 | petameters | french; charriere | petameters |
---|---|---|---|
1 | = 3.3333333333333E-19 | 4 | = 1.3333333333333E-18 |
1.5 | = 5.0E-19 | 4.5 | = 1.5E-18 |
2 | = 6.6666666666667E-19 | 5 | = 1.6666666666667E-18 |
2.5 | = 8.3333333333333E-19 | 5.5 | = 1.8333333333333E-18 |
3 | = 1.0E-18 | 6 | = 2.0E-18 |
petameters | french; charriere |
---|---|
1 | = 3.0 × 1018 |
3.3333333333333 × 10-19 | = 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 …) |