| 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 |
| mile | 6.2137119223733 × 10-19 mi | 1.2427423844747 × 10-18 mi | 1.864113576712 × 10-18 mi | 2.4854847689493 × 10-18 mi | 3.1068559611867 × 10-18 mi | 3.728227153424 × 10-18 mi | 4.3495983456613 × 10-18 mi | 4.9709695378987 × 10-18 mi | 5.592340730136 × 10-18 mi | 6.2137119223733 × 10-18 mi | 6.8350831146107 × 10-18 mi | 7.456454306848 × 10-18 mi | 8.0778254990853 × 10-18 mi | 8.6991966913227 × 10-18 mi | 9.32056788356 × 10-18 mi | 9.9419390757973 × 10-18 mi | 1.0563310268035 × 10-17 mi | 1.1184681460272 × 10-17 mi | 1.1806052652509 × 10-17 mi | 1.2427423844747 × 10-17 mi | 1.3048795036984 × 10-17 mi | 1.3670166229221 × 10-17 mi | 1.4291537421459 × 10-17 mi | 1.4912908613696 × 10-17 mi | 1.5534279805933 × 10-17 mi | 1.6155650998171 × 10-17 mi | 1.6777022190408 × 10-17 mi | 1.7398393382645 × 10-17 mi | 1.8019764574883 × 10-17 mi | 1.864113576712 × 10-17 mi | 1.9262506959357 × 10-17 mi | 1.9883878151595 × 10-17 mi | 2.0505249343832 × 10-17 mi | 2.1126620536069 × 10-17 mi | 2.1747991728307 × 10-17 mi | 2.2369362920544 × 10-17 mi | 2.2990734112781 × 10-17 mi | 2.3612105305019 × 10-17 mi | 2.4233476497256 × 10-17 mi | 2.4854847689493 × 10-17 mi | 2.5476218881731 × 10-17 mi | 2.6097590073968 × 10-17 mi | 2.6718961266205 × 10-17 mi | 2.7340332458443 × 10-17 mi | 2.796170365068 × 10-17 mi | 2.8583074842917 × 10-17 mi | 2.9204446035155 × 10-17 mi | 2.9825817227392 × 10-17 mi | 3.0447188419629 × 10-17 mi | 3.1068559611867 × 10-17 mi | 3.1689930804104 × 10-17 mi | 3.2311301996341 × 10-17 mi | 3.2932673188579 × 10-17 mi | 3.3554044380816 × 10-17 mi | 3.4175415573053 × 10-17 mi | 3.4796786765291 × 10-17 mi | 3.5418157957528 × 10-17 mi | 3.6039529149765 × 10-17 mi | 3.6660900342003 × 10-17 mi | 3.728227153424 × 10-17 mi | 3.7903642726477 × 10-17 mi | 3.8525013918715 × 10-17 mi | 3.9146385110952 × 10-17 mi | 3.9767756303189 × 10-17 mi | 4.0389127495427 × 10-17 mi | 4.1010498687664 × 10-17 mi | 4.1631869879901 × 10-17 mi | 4.2253241072139 × 10-17 mi | 4.2874612264376 × 10-17 mi | 4.3495983456613 × 10-17 mi | 4.4117354648851 × 10-17 mi | 4.4738725841088 × 10-17 mi | 4.5360097033325 × 10-17 mi | 4.5981468225563 × 10-17 mi | 4.66028394178 × 10-17 mi | 4.7224210610037 × 10-17 mi | 4.7845581802275 × 10-17 mi | 4.8466952994512 × 10-17 mi | 4.9088324186749 × 10-17 mi | 4.9709695378987 × 10-17 mi | 5.0331066571224 × 10-17 mi | 5.0952437763461 × 10-17 mi | 5.1573808955699 × 10-17 mi | 5.2195180147936 × 10-17 mi | 5.2816551340173 × 10-17 mi | 5.3437922532411 × 10-17 mi | 5.4059293724648 × 10-17 mi | 5.4680664916885 × 10-17 mi | 5.5302036109123 × 10-17 mi | 5.592340730136 × 10-17 mi | 5.6544778493597 × 10-17 mi | 5.7166149685835 × 10-17 mi | 5.7787520878072 × 10-17 mi | 5.8408892070309 × 10-17 mi | 5.9030263262547 × 10-17 mi | 5.9651634454784 × 10-17 mi | 6.0273005647021 × 10-17 mi | 6.0894376839259 × 10-17 mi | 6.1515748031496 × 10-17 mi | 6.2137119223733 × 10-17 mi |
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 | miles | fermtometers | miles |
|---|---|---|---|
| 1 | ≡ 6.2137119223733E-19 | 4 | ≡ 2.4854847689493E-18 |
| 1.5 | ≡ 9.32056788356E-19 | 4.5 | ≡ 2.796170365068E-18 |
| 2 | ≡ 1.2427423844747E-18 | 5 | ≡ 3.1068559611867E-18 |
| 2.5 | ≡ 1.5534279805933E-18 | 5.5 | ≡ 3.4175415573053E-18 |
| 3 | ≡ 1.864113576712E-18 | 6 | ≡ 3.728227153424E-18 |
The mile is an English unit of length of linear measure equal to 5,280 feet, or 1,760 yards, and standardised as exactly 1,609.344 metres by international agreement in 1959.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| mile | mi | ≡ 80 chains ≡ 5280 ft ≡ 1760 yd | ≡ 1609.344 m | Imperial/US |
| miles | fermtometers | miles | fermtometers |
|---|---|---|---|
| 1 | ≡ 1.609344E+18 | 4 | ≡ 6.437376E+18 |
| 1.5 | ≡ 2.414016E+18 | 4.5 | ≡ 7.242048E+18 |
| 2 | ≡ 3.218688E+18 | 5 | ≡ 8.04672E+18 |
| 2.5 | ≡ 4.02336E+18 | 5.5 | ≡ 8.851392E+18 |
| 3 | ≡ 4.828032E+18 | 6 | ≡ 9.656064E+18 |
| fermtometers | miles |
|---|---|
| 1 | ≡ 6.2137119223733 × 10-19 |
| 1.609344 × 1018 | ≡ 1 |
You can find the conversion in other languages in the following:
| 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 …) |