| light-second | 1 light-second | 2 light-second | 3 light-second | 4 light-second | 5 light-second | 6 light-second | 7 light-second | 8 light-second | 9 light-second | 10 light-second | 11 light-second | 12 light-second | 13 light-second | 14 light-second | 15 light-second | 16 light-second | 17 light-second | 18 light-second | 19 light-second | 20 light-second | 21 light-second | 22 light-second | 23 light-second | 24 light-second | 25 light-second | 26 light-second | 27 light-second | 28 light-second | 29 light-second | 30 light-second | 31 light-second | 32 light-second | 33 light-second | 34 light-second | 35 light-second | 36 light-second | 37 light-second | 38 light-second | 39 light-second | 40 light-second | 41 light-second | 42 light-second | 43 light-second | 44 light-second | 45 light-second | 46 light-second | 47 light-second | 48 light-second | 49 light-second | 50 light-second | 51 light-second | 52 light-second | 53 light-second | 54 light-second | 55 light-second | 56 light-second | 57 light-second | 58 light-second | 59 light-second | 60 light-second | 61 light-second | 62 light-second | 63 light-second | 64 light-second | 65 light-second | 66 light-second | 67 light-second | 68 light-second | 69 light-second | 70 light-second | 71 light-second | 72 light-second | 73 light-second | 74 light-second | 75 light-second | 76 light-second | 77 light-second | 78 light-second | 79 light-second | 80 light-second | 81 light-second | 82 light-second | 83 light-second | 84 light-second | 85 light-second | 86 light-second | 87 light-second | 88 light-second | 89 light-second | 90 light-second | 91 light-second | 92 light-second | 93 light-second | 94 light-second | 95 light-second | 96 light-second | 97 light-second | 98 light-second | 99 light-second | 100 light-second |
| earth radius | 47.0557931 R⊕ | 94.1115863 R⊕ | 141.1673794 R⊕ | 188.2231725 R⊕ | 235.2789656 R⊕ | 282.3347588 R⊕ | 329.3905519 R⊕ | 376.4463450 R⊕ | 423.5021381 R⊕ | 470.5579313 R⊕ | 517.6137244 R⊕ | 564.6695175 R⊕ | 611.7253106 R⊕ | 658.7811038 R⊕ | 705.8368969 R⊕ | 752.8926900 R⊕ | 799.9484831 R⊕ | 847.0042763 R⊕ | 894.0600694 R⊕ | 941.1158625 R⊕ | 988.1716556 R⊕ | 1,035.2274488 R⊕ | 1,082.2832419 R⊕ | 1,129.3390350 R⊕ | 1,176.3948281 R⊕ | 1,223.4506213 R⊕ | 1,270.5064144 R⊕ | 1,317.5622075 R⊕ | 1,364.6180006 R⊕ | 1,411.6737938 R⊕ | 1,458.7295869 R⊕ | 1,505.7853800 R⊕ | 1,552.8411731 R⊕ | 1,599.8969663 R⊕ | 1,646.9527594 R⊕ | 1,694.0085525 R⊕ | 1,741.0643456 R⊕ | 1,788.1201388 R⊕ | 1,835.1759319 R⊕ | 1,882.2317250 R⊕ | 1,929.2875181 R⊕ | 1,976.3433113 R⊕ | 2,023.3991044 R⊕ | 2,070.4548975 R⊕ | 2,117.5106906 R⊕ | 2,164.5664838 R⊕ | 2,211.6222769 R⊕ | 2,258.6780700 R⊕ | 2,305.7338631 R⊕ | 2,352.7896563 R⊕ | 2,399.8454494 R⊕ | 2,446.9012425 R⊕ | 2,493.9570356 R⊕ | 2,541.0128288 R⊕ | 2,588.0686219 R⊕ | 2,635.1244150 R⊕ | 2,682.1802081 R⊕ | 2,729.2360013 R⊕ | 2,776.2917944 R⊕ | 2,823.3475875 R⊕ | 2,870.4033806 R⊕ | 2,917.4591738 R⊕ | 2,964.5149669 R⊕ | 3,011.5707600 R⊕ | 3,058.6265531 R⊕ | 3,105.6823463 R⊕ | 3,152.7381394 R⊕ | 3,199.7939325 R⊕ | 3,246.8497256 R⊕ | 3,293.9055188 R⊕ | 3,340.9613119 R⊕ | 3,388.0171050 R⊕ | 3,435.0728981 R⊕ | 3,482.1286913 R⊕ | 3,529.1844844 R⊕ | 3,576.2402775 R⊕ | 3,623.2960706 R⊕ | 3,670.3518638 R⊕ | 3,717.4076569 R⊕ | 3,764.4634500 R⊕ | 3,811.5192431 R⊕ | 3,858.5750363 R⊕ | 3,905.6308294 R⊕ | 3,952.6866225 R⊕ | 3,999.7424156 R⊕ | 4,046.7982088 R⊕ | 4,093.8540019 R⊕ | 4,140.9097950 R⊕ | 4,187.9655881 R⊕ | 4,235.0213813 R⊕ | 4,282.0771744 R⊕ | 4,329.1329675 R⊕ | 4,376.1887606 R⊕ | 4,423.2445538 R⊕ | 4,470.3003469 R⊕ | 4,517.3561400 R⊕ | 4,564.4119331 R⊕ | 4,611.4677263 R⊕ | 4,658.5235194 R⊕ | 4,705.5793125 R⊕ |
The light-second 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 onesecond, and is equal to exactly 299792458 metres (just over 186282 miles).
| 1 light-seconds ≈ 47.055793125098 earth radius | 4 light-seconds ≈ 188.22317250039 earth radius |
| 1.5 light-seconds ≈ 70.583689687647 earth radius | 4.5 light-seconds ≈ 211.75106906294 earth radius |
| 2 light-seconds ≈ 94.111586250196 earth radius | 5 light-seconds ≈ 235.27896562549 earth radius |
| 2.5 light-seconds ≈ 117.63948281275 earth radius | 5.5 light-seconds ≈ 258.80686218804 earth radius |
| 3 light-seconds ≈ 141.16737937529 earth radius | 6 light-seconds ≈ 282.33475875059 earth radius |
Earth radius is the distance from Earth's center to its surface, about 6,371 km (3,959 mi). This length is also used as a unit of distance, especially in astronomy and geology, where it is usually denoted by R⊕.
| 1 earth radius ≈ 0.021251368505074 light-seconds | 4 earth radius ≈ 0.085005474020297 light-seconds |
| 1.5 earth radius ≈ 0.031877052757611 light-seconds | 4.5 earth radius ≈ 0.095631158272834 light-seconds |
| 2 earth radius ≈ 0.042502737010149 light-seconds | 5 earth radius ≈ 0.10625684252537 light-seconds |
| 2.5 earth radius ≈ 0.053128421262686 light-seconds | 5.5 earth radius ≈ 0.11688252677791 light-seconds |
| 3 earth radius ≈ 0.063754105515223 light-seconds | 6 earth radius ≈ 0.12750821103045 light-seconds |
| 1 light-seconds ≈ 47.0557931 earth radius |
| 1 earth radius ≈ 0.0212514 light-seconds |