fermtometer | 1 fm | 2 fm | 3 fm | 4 fm | 5 fm | 6 fm | 7 fm | 8 fm | 9 fm | 10 fm | 11 fm | 12 fm | 13 fm | 14 fm | 15 fm | 16 fm | 17 fm | 18 fm | 19 fm | 20 fm | 21 fm | 22 fm | 23 fm | 24 fm | 25 fm | 26 fm | 27 fm | 28 fm | 29 fm | 30 fm | 31 fm | 32 fm | 33 fm | 34 fm | 35 fm | 36 fm | 37 fm | 38 fm | 39 fm | 40 fm | 41 fm | 42 fm | 43 fm | 44 fm | 45 fm | 46 fm | 47 fm | 48 fm | 49 fm | 50 fm | 51 fm | 52 fm | 53 fm | 54 fm | 55 fm | 56 fm | 57 fm | 58 fm | 59 fm | 60 fm | 61 fm | 62 fm | 63 fm | 64 fm | 65 fm | 66 fm | 67 fm | 68 fm | 69 fm | 70 fm | 71 fm | 72 fm | 73 fm | 74 fm | 75 fm | 76 fm | 77 fm | 78 fm | 79 fm | 80 fm | 81 fm | 82 fm | 83 fm | 84 fm | 85 fm | 86 fm | 87 fm | 88 fm | 89 fm | 90 fm | 91 fm | 92 fm | 93 fm | 94 fm | 95 fm | 96 fm | 97 fm | 98 fm | 99 fm | 100 fm |
pica | 2.3622047262695 × 10-13 pica | 4.7244094525389 × 10-13 pica | 7.0866141788084 × 10-13 pica | 9.4488189050778 × 10-13 pica | 1.1811023631347 × 10-12 pica | 1.4173228357617 × 10-12 pica | 1.6535433083886 × 10-12 pica | 1.8897637810156 × 10-12 pica | 2.1259842536425 × 10-12 pica | 2.3622047262695 × 10-12 pica | 2.5984251988964 × 10-12 pica | 2.8346456715233 × 10-12 pica | 3.0708661441503 × 10-12 pica | 3.3070866167772 × 10-12 pica | 3.5433070894042 × 10-12 pica | 3.7795275620311 × 10-12 pica | 4.0157480346581 × 10-12 pica | 4.251968507285 × 10-12 pica | 4.488188979912 × 10-12 pica | 4.7244094525389 × 10-12 pica | 4.9606299251659 × 10-12 pica | 5.1968503977928 × 10-12 pica | 5.4330708704197 × 10-12 pica | 5.6692913430467 × 10-12 pica | 5.9055118156736 × 10-12 pica | 6.1417322883006 × 10-12 pica | 6.3779527609275 × 10-12 pica | 6.6141732335545 × 10-12 pica | 6.8503937061814 × 10-12 pica | 7.0866141788084 × 10-12 pica | 7.3228346514353 × 10-12 pica | 7.5590551240622 × 10-12 pica | 7.7952755966892 × 10-12 pica | 8.0314960693161 × 10-12 pica | 8.2677165419431 × 10-12 pica | 8.50393701457 × 10-12 pica | 8.740157487197 × 10-12 pica | 8.9763779598239 × 10-12 pica | 9.2125984324509 × 10-12 pica | 9.4488189050778 × 10-12 pica | 9.6850393777048 × 10-12 pica | 9.9212598503317 × 10-12 pica | 1.0157480322959 × 10-11 pica | 1.0393700795586 × 10-11 pica | 1.0629921268213 × 10-11 pica | 1.0866141740839 × 10-11 pica | 1.1102362213466 × 10-11 pica | 1.1338582686093 × 10-11 pica | 1.157480315872 × 10-11 pica | 1.1811023631347 × 10-11 pica | 1.2047244103974 × 10-11 pica | 1.2283464576601 × 10-11 pica | 1.2519685049228 × 10-11 pica | 1.2755905521855 × 10-11 pica | 1.2992125994482 × 10-11 pica | 1.3228346467109 × 10-11 pica | 1.3464566939736 × 10-11 pica | 1.3700787412363 × 10-11 pica | 1.393700788499 × 10-11 pica | 1.4173228357617 × 10-11 pica | 1.4409448830244 × 10-11 pica | 1.4645669302871 × 10-11 pica | 1.4881889775498 × 10-11 pica | 1.5118110248124 × 10-11 pica | 1.5354330720751 × 10-11 pica | 1.5590551193378 × 10-11 pica | 1.5826771666005 × 10-11 pica | 1.6062992138632 × 10-11 pica | 1.6299212611259 × 10-11 pica | 1.6535433083886 × 10-11 pica | 1.6771653556513 × 10-11 pica | 1.700787402914 × 10-11 pica | 1.7244094501767 × 10-11 pica | 1.7480314974394 × 10-11 pica | 1.7716535447021 × 10-11 pica | 1.7952755919648 × 10-11 pica | 1.8188976392275 × 10-11 pica | 1.8425196864902 × 10-11 pica | 1.8661417337529 × 10-11 pica | 1.8897637810156 × 10-11 pica | 1.9133858282783 × 10-11 pica | 1.937007875541 × 10-11 pica | 1.9606299228036 × 10-11 pica | 1.9842519700663 × 10-11 pica | 2.007874017329 × 10-11 pica | 2.0314960645917 × 10-11 pica | 2.0551181118544 × 10-11 pica | 2.0787401591171 × 10-11 pica | 2.1023622063798 × 10-11 pica | 2.1259842536425 × 10-11 pica | 2.1496063009052 × 10-11 pica | 2.1732283481679 × 10-11 pica | 2.1968503954306 × 10-11 pica | 2.2204724426933 × 10-11 pica | 2.244094489956 × 10-11 pica | 2.2677165372187 × 10-11 pica | 2.2913385844814 × 10-11 pica | 2.3149606317441 × 10-11 pica | 2.3385826790068 × 10-11 pica | 2.3622047262695 × 10-11 pica |
The femtometre (American spelling femtometer, symbol fm derived from the Danish and Norwegian word femten, "fifteen"+Ancient Greek: μέτρον, metrοn, "unit of measurement") is an SI unit of length equal to 10−15 metres, which means a quadrillionth of one. This distance can also be called a fermi and was so named in honour of physicist Enrico Fermi, as it is a typical length-scale of nuclear physics.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
fermtometer | fm | 1000 attometres = 1 femtometre = 1 fermi = 0.001 picometre = 1×10−15 metres 1000000 femtometres = 10 ångström = 1 nanometre. | ≡ 1×10-15 m | Metric system SI |
fermtometers | picas | fermtometers | picas |
---|---|---|---|
1 | ≈ 2.3622047262695E-13 | 4 | ≈ 9.4488189050778E-13 |
1.5 | ≈ 3.5433070894042E-13 | 4.5 | ≈ 1.0629921268213E-12 |
2 | ≈ 4.7244094525389E-13 | 5 | ≈ 1.1811023631347E-12 |
2.5 | ≈ 5.9055118156736E-13 | 5.5 | ≈ 1.2992125994482E-12 |
3 | ≈ 7.0866141788084E-13 | 6 | ≈ 1.4173228357617E-12 |
The pica is a typographic unit of measure corresponding to approximately 1⁄6 of an inch, or 1⁄72 of a foot. One pica is further divided into 12 points.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
pica | ≡ 12 points | 0.00423333333 m | Imperial/US |
picas | fermtometers | picas | fermtometers |
---|---|---|---|
1 | ≈ 4233333330000 | 4 | ≈ 16933333320000 |
1.5 | ≈ 6349999995000 | 4.5 | ≈ 19049999985000 |
2 | ≈ 8466666660000 | 5 | ≈ 21166666650000 |
2.5 | ≈ 10583333325000 | 5.5 | ≈ 23283333315000 |
3 | ≈ 12699999990000 | 6 | ≈ 25399999980000 |
fermtometers | picas |
---|---|
1 | ≈ 2.3622047262695 × 10-13 |
4 233 333 330 000 | ≈ 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 …) |