| earth radius | 1 R⊕ | 2 R⊕ | 3 R⊕ | 4 R⊕ | 5 R⊕ | 6 R⊕ | 7 R⊕ | 8 R⊕ | 9 R⊕ | 10 R⊕ | 11 R⊕ | 12 R⊕ | 13 R⊕ | 14 R⊕ | 15 R⊕ | 16 R⊕ | 17 R⊕ | 18 R⊕ | 19 R⊕ | 20 R⊕ | 21 R⊕ | 22 R⊕ | 23 R⊕ | 24 R⊕ | 25 R⊕ | 26 R⊕ | 27 R⊕ | 28 R⊕ | 29 R⊕ | 30 R⊕ | 31 R⊕ | 32 R⊕ | 33 R⊕ | 34 R⊕ | 35 R⊕ | 36 R⊕ | 37 R⊕ | 38 R⊕ | 39 R⊕ | 40 R⊕ | 41 R⊕ | 42 R⊕ | 43 R⊕ | 44 R⊕ | 45 R⊕ | 46 R⊕ | 47 R⊕ | 48 R⊕ | 49 R⊕ | 50 R⊕ | 51 R⊕ | 52 R⊕ | 53 R⊕ | 54 R⊕ | 55 R⊕ | 56 R⊕ | 57 R⊕ | 58 R⊕ | 59 R⊕ | 60 R⊕ | 61 R⊕ | 62 R⊕ | 63 R⊕ | 64 R⊕ | 65 R⊕ | 66 R⊕ | 67 R⊕ | 68 R⊕ | 69 R⊕ | 70 R⊕ | 71 R⊕ | 72 R⊕ | 73 R⊕ | 74 R⊕ | 75 R⊕ | 76 R⊕ | 77 R⊕ | 78 R⊕ | 79 R⊕ | 80 R⊕ | 81 R⊕ | 82 R⊕ | 83 R⊕ | 84 R⊕ | 85 R⊕ | 86 R⊕ | 87 R⊕ | 88 R⊕ | 89 R⊕ | 90 R⊕ | 91 R⊕ | 92 R⊕ | 93 R⊕ | 94 R⊕ | 95 R⊕ | 96 R⊕ | 97 R⊕ | 98 R⊕ | 99 R⊕ | 100 R⊕ |
| light-second | 0.0212514 light-second | 0.0425027 light-second | 0.0637541 light-second | 0.0850055 light-second | 0.1062568 light-second | 0.1275082 light-second | 0.1487596 light-second | 0.1700109 light-second | 0.1912623 light-second | 0.2125137 light-second | 0.2337651 light-second | 0.2550164 light-second | 0.2762678 light-second | 0.2975192 light-second | 0.3187705 light-second | 0.3400219 light-second | 0.3612733 light-second | 0.3825246 light-second | 0.4037760 light-second | 0.4250274 light-second | 0.4462787 light-second | 0.4675301 light-second | 0.4887815 light-second | 0.5100328 light-second | 0.5312842 light-second | 0.5525356 light-second | 0.5737869 light-second | 0.5950383 light-second | 0.6162897 light-second | 0.6375411 light-second | 0.6587924 light-second | 0.6800438 light-second | 0.7012952 light-second | 0.7225465 light-second | 0.7437979 light-second | 0.7650493 light-second | 0.7863006 light-second | 0.8075520 light-second | 0.8288034 light-second | 0.8500547 light-second | 0.8713061 light-second | 0.8925575 light-second | 0.9138088 light-second | 0.9350602 light-second | 0.9563116 light-second | 0.9775630 light-second | 0.9988143 light-second | 1.0200657 light-second | 1.0413171 light-second | 1.0625684 light-second | 1.0838198 light-second | 1.1050712 light-second | 1.1263225 light-second | 1.1475739 light-second | 1.1688253 light-second | 1.1900766 light-second | 1.2113280 light-second | 1.2325794 light-second | 1.2538307 light-second | 1.2750821 light-second | 1.2963335 light-second | 1.3175848 light-second | 1.3388362 light-second | 1.3600876 light-second | 1.3813390 light-second | 1.4025903 light-second | 1.4238417 light-second | 1.4450931 light-second | 1.4663444 light-second | 1.4875958 light-second | 1.5088472 light-second | 1.5300985 light-second | 1.5513499 light-second | 1.5726013 light-second | 1.5938526 light-second | 1.6151040 light-second | 1.6363554 light-second | 1.6576067 light-second | 1.6788581 light-second | 1.7001095 light-second | 1.7213608 light-second | 1.7426122 light-second | 1.7638636 light-second | 1.7851150 light-second | 1.8063663 light-second | 1.8276177 light-second | 1.8488691 light-second | 1.8701204 light-second | 1.8913718 light-second | 1.9126232 light-second | 1.9338745 light-second | 1.9551259 light-second | 1.9763773 light-second | 1.9976286 light-second | 2.0188800 light-second | 2.0401314 light-second | 2.0613827 light-second | 2.0826341 light-second | 2.1038855 light-second | 2.1251369 light-second |
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 |
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 |
| 1 earth radius ≈ 0.0212514 light-seconds |
| 1 light-seconds ≈ 47.0557931 earth radius |