| foot, metric (short) | 1 smf | 2 smf | 3 smf | 4 smf | 5 smf | 6 smf | 7 smf | 8 smf | 9 smf | 10 smf | 11 smf | 12 smf | 13 smf | 14 smf | 15 smf | 16 smf | 17 smf | 18 smf | 19 smf | 20 smf | 21 smf | 22 smf | 23 smf | 24 smf | 25 smf | 26 smf | 27 smf | 28 smf | 29 smf | 30 smf | 31 smf | 32 smf | 33 smf | 34 smf | 35 smf | 36 smf | 37 smf | 38 smf | 39 smf | 40 smf | 41 smf | 42 smf | 43 smf | 44 smf | 45 smf | 46 smf | 47 smf | 48 smf | 49 smf | 50 smf | 51 smf | 52 smf | 53 smf | 54 smf | 55 smf | 56 smf | 57 smf | 58 smf | 59 smf | 60 smf | 61 smf | 62 smf | 63 smf | 64 smf | 65 smf | 66 smf | 67 smf | 68 smf | 69 smf | 70 smf | 71 smf | 72 smf | 73 smf | 74 smf | 75 smf | 76 smf | 77 smf | 78 smf | 79 smf | 80 smf | 81 smf | 82 smf | 83 smf | 84 smf | 85 smf | 86 smf | 87 smf | 88 smf | 89 smf | 90 smf | 91 smf | 92 smf | 93 smf | 94 smf | 95 smf | 96 smf | 97 smf | 98 smf | 99 smf | 100 smf |
| light-day | 1.1582086638825 × 10-14 ly | 2.3164173277649 × 10-14 ly | 3.4746259916474 × 10-14 ly | 4.6328346555299 × 10-14 ly | 5.7910433194124 × 10-14 ly | 6.9492519832948 × 10-14 ly | 8.1074606471773 × 10-14 ly | 9.2656693110598 × 10-14 ly | 1.0423877974942 × 10-13 ly | 1.1582086638825 × 10-13 ly | 1.2740295302707 × 10-13 ly | 1.389850396659 × 10-13 ly | 1.5056712630472 × 10-13 ly | 1.6214921294355 × 10-13 ly | 1.7373129958237 × 10-13 ly | 1.853133862212 × 10-13 ly | 1.9689547286002 × 10-13 ly | 2.0847755949885 × 10-13 ly | 2.2005964613767 × 10-13 ly | 2.3164173277649 × 10-13 ly | 2.4322381941532 × 10-13 ly | 2.5480590605414 × 10-13 ly | 2.6638799269297 × 10-13 ly | 2.7797007933179 × 10-13 ly | 2.8955216597062 × 10-13 ly | 3.0113425260944 × 10-13 ly | 3.1271633924827 × 10-13 ly | 3.2429842588709 × 10-13 ly | 3.3588051252592 × 10-13 ly | 3.4746259916474 × 10-13 ly | 3.5904468580357 × 10-13 ly | 3.7062677244239 × 10-13 ly | 3.8220885908122 × 10-13 ly | 3.9379094572004 × 10-13 ly | 4.0537303235887 × 10-13 ly | 4.1695511899769 × 10-13 ly | 4.2853720563651 × 10-13 ly | 4.4011929227534 × 10-13 ly | 4.5170137891416 × 10-13 ly | 4.6328346555299 × 10-13 ly | 4.7486555219181 × 10-13 ly | 4.8644763883064 × 10-13 ly | 4.9802972546946 × 10-13 ly | 5.0961181210829 × 10-13 ly | 5.2119389874711 × 10-13 ly | 5.3277598538594 × 10-13 ly | 5.4435807202476 × 10-13 ly | 5.5594015866359 × 10-13 ly | 5.6752224530241 × 10-13 ly | 5.7910433194124 × 10-13 ly | 5.9068641858006 × 10-13 ly | 6.0226850521889 × 10-13 ly | 6.1385059185771 × 10-13 ly | 6.2543267849654 × 10-13 ly | 6.3701476513536 × 10-13 ly | 6.4859685177418 × 10-13 ly | 6.6017893841301 × 10-13 ly | 6.7176102505183 × 10-13 ly | 6.8334311169066 × 10-13 ly | 6.9492519832948 × 10-13 ly | 7.0650728496831 × 10-13 ly | 7.1808937160713 × 10-13 ly | 7.2967145824596 × 10-13 ly | 7.4125354488478 × 10-13 ly | 7.5283563152361 × 10-13 ly | 7.6441771816243 × 10-13 ly | 7.7599980480126 × 10-13 ly | 7.8758189144008 × 10-13 ly | 7.9916397807891 × 10-13 ly | 8.1074606471773 × 10-13 ly | 8.2232815135656 × 10-13 ly | 8.3391023799538 × 10-13 ly | 8.454923246342 × 10-13 ly | 8.5707441127303 × 10-13 ly | 8.6865649791185 × 10-13 ly | 8.8023858455068 × 10-13 ly | 8.918206711895 × 10-13 ly | 9.0340275782833 × 10-13 ly | 9.1498484446715 × 10-13 ly | 9.2656693110598 × 10-13 ly | 9.381490177448 × 10-13 ly | 9.4973110438363 × 10-13 ly | 9.6131319102245 × 10-13 ly | 9.7289527766128 × 10-13 ly | 9.844773643001 × 10-13 ly | 9.9605945093893 × 10-13 ly | 1.0076415375778 × 10-12 ly | 1.0192236242166 × 10-12 ly | 1.0308057108554 × 10-12 ly | 1.0423877974942 × 10-12 ly | 1.053969884133 × 10-12 ly | 1.0655519707719 × 10-12 ly | 1.0771340574107 × 10-12 ly | 1.0887161440495 × 10-12 ly | 1.1002982306883 × 10-12 ly | 1.1118803173272 × 10-12 ly | 1.123462403966 × 10-12 ly | 1.1350444906048 × 10-12 ly | 1.1466265772436 × 10-12 ly | 1.1582086638825 × 10-12 ly |
≡ 0.30 m
| 1 feet, metric (short) ≡ 1.1582086638825E-14 light-days | 4 feet, metric (short) ≡ 4.6328346555299E-14 light-days |
| 1.5 feet, metric (short) ≡ 1.7373129958237E-14 light-days | 4.5 feet, metric (short) ≡ 5.2119389874711E-14 light-days |
| 2 feet, metric (short) ≡ 2.3164173277649E-14 light-days | 5 feet, metric (short) ≡ 5.7910433194124E-14 light-days |
| 2.5 feet, metric (short) ≡ 2.8955216597062E-14 light-days | 5.5 feet, metric (short) ≡ 6.3701476513536E-14 light-days |
| 3 feet, metric (short) ≡ 3.4746259916474E-14 light-days | 6 feet, metric (short) ≡ 6.9492519832948E-14 light-days |
The light-day is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space in oneday, and is equal to exactly 2.59020683712×1013 metres.
| 1 light-days ≡ 86340227904000 feet, metric (short) | 4 light-days ≡ 3.45360911616E+14 feet, metric (short) |
| 1.5 light-days ≡ 1.29510341856E+14 feet, metric (short) | 4.5 light-days ≡ 3.88531025568E+14 feet, metric (short) |
| 2 light-days ≡ 1.72680455808E+14 feet, metric (short) | 5 light-days ≡ 4.3170113952E+14 feet, metric (short) |
| 2.5 light-days ≡ 2.1585056976E+14 feet, metric (short) | 5.5 light-days ≡ 4.74871253472E+14 feet, metric (short) |
| 3 light-days ≡ 2.59020683712E+14 feet, metric (short) | 6 light-days ≡ 5.18041367424E+14 feet, metric (short) |
| 1 feet, metric (short) ≡ 1.1582086638825 × 10-14 light-days |
| 1 light-days ≡ 86 340 227 904 000 feet, metric (short) |