| fermi | 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 |
| foot, metric | 3.1622776601368 × 10-15 mf | 6.3245553202735 × 10-15 mf | 9.4868329804103 × 10-15 mf | 1.2649110640547 × 10-14 mf | 1.5811388300684 × 10-14 mf | 1.8973665960821 × 10-14 mf | 2.2135943620957 × 10-14 mf | 2.5298221281094 × 10-14 mf | 2.8460498941231 × 10-14 mf | 3.1622776601368 × 10-14 mf | 3.4785054261504 × 10-14 mf | 3.7947331921641 × 10-14 mf | 4.1109609581778 × 10-14 mf | 4.4271887241915 × 10-14 mf | 4.7434164902051 × 10-14 mf | 5.0596442562188 × 10-14 mf | 5.3758720222325 × 10-14 mf | 5.6920997882462 × 10-14 mf | 6.0083275542598 × 10-14 mf | 6.3245553202735 × 10-14 mf | 6.6407830862872 × 10-14 mf | 6.9570108523009 × 10-14 mf | 7.2732386183145 × 10-14 mf | 7.5894663843282 × 10-14 mf | 7.9056941503419 × 10-14 mf | 8.2219219163556 × 10-14 mf | 8.5381496823692 × 10-14 mf | 8.8543774483829 × 10-14 mf | 9.1706052143966 × 10-14 mf | 9.4868329804103 × 10-14 mf | 9.803060746424 × 10-14 mf | 1.0119288512438 × 10-13 mf | 1.0435516278451 × 10-13 mf | 1.0751744044465 × 10-13 mf | 1.1067971810479 × 10-13 mf | 1.1384199576492 × 10-13 mf | 1.1700427342506 × 10-13 mf | 1.201665510852 × 10-13 mf | 1.2332882874533 × 10-13 mf | 1.2649110640547 × 10-13 mf | 1.2965338406561 × 10-13 mf | 1.3281566172574 × 10-13 mf | 1.3597793938588 × 10-13 mf | 1.3914021704602 × 10-13 mf | 1.4230249470615 × 10-13 mf | 1.4546477236629 × 10-13 mf | 1.4862705002643 × 10-13 mf | 1.5178932768656 × 10-13 mf | 1.549516053467 × 10-13 mf | 1.5811388300684 × 10-13 mf | 1.6127616066697 × 10-13 mf | 1.6443843832711 × 10-13 mf | 1.6760071598725 × 10-13 mf | 1.7076299364738 × 10-13 mf | 1.7392527130752 × 10-13 mf | 1.7708754896766 × 10-13 mf | 1.802498266278 × 10-13 mf | 1.8341210428793 × 10-13 mf | 1.8657438194807 × 10-13 mf | 1.8973665960821 × 10-13 mf | 1.9289893726834 × 10-13 mf | 1.9606121492848 × 10-13 mf | 1.9922349258862 × 10-13 mf | 2.0238577024875 × 10-13 mf | 2.0554804790889 × 10-13 mf | 2.0871032556903 × 10-13 mf | 2.1187260322916 × 10-13 mf | 2.150348808893 × 10-13 mf | 2.1819715854944 × 10-13 mf | 2.2135943620957 × 10-13 mf | 2.2452171386971 × 10-13 mf | 2.2768399152985 × 10-13 mf | 2.3084626918998 × 10-13 mf | 2.3400854685012 × 10-13 mf | 2.3717082451026 × 10-13 mf | 2.4033310217039 × 10-13 mf | 2.4349537983053 × 10-13 mf | 2.4665765749067 × 10-13 mf | 2.498199351508 × 10-13 mf | 2.5298221281094 × 10-13 mf | 2.5614449047108 × 10-13 mf | 2.5930676813121 × 10-13 mf | 2.6246904579135 × 10-13 mf | 2.6563132345149 × 10-13 mf | 2.6879360111162 × 10-13 mf | 2.7195587877176 × 10-13 mf | 2.751181564319 × 10-13 mf | 2.7828043409203 × 10-13 mf | 2.8144271175217 × 10-13 mf | 2.8460498941231 × 10-13 mf | 2.8776726707245 × 10-13 mf | 2.9092954473258 × 10-13 mf | 2.9409182239272 × 10-13 mf | 2.9725410005286 × 10-13 mf | 3.0041637771299 × 10-13 mf | 3.0357865537313 × 10-13 mf | 3.0674093303327 × 10-13 mf | 3.099032106934 × 10-13 mf | 3.1306548835354 × 10-13 mf | 3.1622776601368 × 10-13 mf |
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.
| 1 fermi ≈ 3.1622776601368E-15 feet, metric | 4 fermi ≈ 1.2649110640547E-14 feet, metric |
| 1.5 fermi ≈ 4.7434164902051E-15 feet, metric | 4.5 fermi ≈ 1.4230249470615E-14 feet, metric |
| 2 fermi ≈ 6.3245553202735E-15 feet, metric | 5 fermi ≈ 1.5811388300684E-14 feet, metric |
| 2.5 fermi ≈ 7.9056941503419E-15 feet, metric | 5.5 fermi ≈ 1.7392527130752E-14 feet, metric |
| 3 fermi ≈ 9.4868329804103E-15 feet, metric | 6 fermi ≈ 1.8973665960821E-14 feet, metric |
A metric foot is a nickname for a preferred number length of 3 basic modules (3 M), or 30 centimetres (11.811 in). The 30 cm metric ruler was a similar length to the traditional imperial one-foot ruler. A metric foot is 4.8 millimetres (0.189 in) shorter than an imperial foot.
| 1 feet, metric ≈ 3.1622776602E+14 fermi | 4 feet, metric ≈ 1.26491106408E+15 fermi |
| 1.5 feet, metric ≈ 4.7434164903E+14 fermi | 4.5 feet, metric ≈ 1.42302494709E+15 fermi |
| 2 feet, metric ≈ 6.3245553204E+14 fermi | 5 feet, metric ≈ 1.5811388301E+15 fermi |
| 2.5 feet, metric ≈ 7.9056941505E+14 fermi | 5.5 feet, metric ≈ 1.73925271311E+15 fermi |
| 3 feet, metric ≈ 9.4868329806E+14 fermi | 6 feet, metric ≈ 1.89736659612E+15 fermi |
| 1 fermi ≈ 3.1622776601368 × 10-15 feet, metric |
| 1 feet, metric ≈ 3.1622776602 × 1014 fermi |