speed of light | 1 c | 2 c | 3 c | 4 c | 5 c | 6 c | 7 c | 8 c | 9 c | 10 c | 11 c | 12 c | 13 c | 14 c | 15 c | 16 c | 17 c | 18 c | 19 c | 20 c | 21 c | 22 c | 23 c | 24 c | 25 c | 26 c | 27 c | 28 c | 29 c | 30 c | 31 c | 32 c | 33 c | 34 c | 35 c | 36 c | 37 c | 38 c | 39 c | 40 c | 41 c | 42 c | 43 c | 44 c | 45 c | 46 c | 47 c | 48 c | 49 c | 50 c | 51 c | 52 c | 53 c | 54 c | 55 c | 56 c | 57 c | 58 c | 59 c | 60 c | 61 c | 62 c | 63 c | 64 c | 65 c | 66 c | 67 c | 68 c | 69 c | 70 c | 71 c | 72 c | 73 c | 74 c | 75 c | 76 c | 77 c | 78 c | 79 c | 80 c | 81 c | 82 c | 83 c | 84 c | 85 c | 86 c | 87 c | 88 c | 89 c | 90 c | 91 c | 92 c | 93 c | 94 c | 95 c | 96 c | 97 c | 98 c | 99 c | 100 c |
mile per second | 186,282.3970512 mps | 372,564.7941024 mps | 558,847.1911537 mps | 745,129.5882049 mps | 931,411.9852561 mps | 1,117,694.3823073 mps | 1,303,976.7793585 mps | 1,490,259.1764098 mps | 1,676,541.573461 mps | 1,862,823.9705122 mps | 2,049,106.3675634 mps | 2,235,388.7646147 mps | 2,421,671.1616659 mps | 2,607,953.5587171 mps | 2,794,235.9557683 mps | 2,980,518.3528195 mps | 3,166,800.7498708 mps | 3,353,083.146922 mps | 3,539,365.5439732 mps | 3,725,647.9410244 mps | 3,911,930.3380756 mps | 4,098,212.7351269 mps | 4,284,495.1321781 mps | 4,470,777.5292293 mps | 4,657,059.9262805 mps | 4,843,342.3233317 mps | 5,029,624.720383 mps | 5,215,907.1174342 mps | 5,402,189.5144854 mps | 5,588,471.9115366 mps | 5,774,754.3085878 mps | 5,961,036.7056391 mps | 6,147,319.1026903 mps | 6,333,601.4997415 mps | 6,519,883.8967927 mps | 6,706,166.293844 mps | 6,892,448.6908952 mps | 7,078,731.0879464 mps | 7,265,013.4849976 mps | 7,451,295.8820488 mps | 7,637,578.2791001 mps | 7,823,860.6761513 mps | 8,010,143.0732025 mps | 8,196,425.4702537 mps | 8,382,707.8673049 mps | 8,568,990.2643562 mps | 8,755,272.6614074 mps | 8,941,555.0584586 mps | 9,127,837.4555098 mps | 9,314,119.852561 mps | 9,500,402.2496123 mps | 9,686,684.6466635 mps | 9,872,967.0437147 mps | 10,059,249.440766 mps | 10,245,531.837817 mps | 10,431,814.234868 mps | 10,618,096.63192 mps | 10,804,379.028971 mps | 10,990,661.426022 mps | 11,176,943.823073 mps | 11,363,226.220124 mps | 11,549,508.617176 mps | 11,735,791.014227 mps | 11,922,073.411278 mps | 12,108,355.808329 mps | 12,294,638.205381 mps | 12,480,920.602432 mps | 12,667,202.999483 mps | 12,853,485.396534 mps | 13,039,767.793585 mps | 13,226,050.190637 mps | 13,412,332.587688 mps | 13,598,614.984739 mps | 13,784,897.38179 mps | 13,971,179.778842 mps | 14,157,462.175893 mps | 14,343,744.572944 mps | 14,530,026.969995 mps | 14,716,309.367046 mps | 14,902,591.764098 mps | 15,088,874.161149 mps | 15,275,156.5582 mps | 15,461,438.955251 mps | 15,647,721.352303 mps | 15,834,003.749354 mps | 16,020,286.146405 mps | 16,206,568.543456 mps | 16,392,850.940507 mps | 16,579,133.337559 mps | 16,765,415.73461 mps | 16,951,698.131661 mps | 17,137,980.528712 mps | 17,324,262.925764 mps | 17,510,545.322815 mps | 17,696,827.719866 mps | 17,883,110.116917 mps | 18,069,392.513968 mps | 18,255,674.91102 mps | 18,441,957.308071 mps | 18,628,239.705122 mps |
The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is 299,792,458 metres per second (approximately 3.00×108 m/s, or 186,282 mi/s); it is exact because the unit of length, the metre, is defined from this constant and the international standard for time.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
speed of light | c | ≡ 299792458 m/s | = 299792458 m/s | Other Speed |
speed of lights | miles per second | speed of lights | miles per second |
---|---|---|---|
1 | = 186282.39705122 | 6 | = 1117694.3823073 |
2 | = 372564.79410244 | 7 | = 1303976.7793585 |
3 | = 558847.19115366 | 8 | = 1490259.1764098 |
4 | = 745129.58820488 | 9 | = 1676541.573461 |
5 | = 931411.9852561 | 10 | = 1862823.9705122 |
Miles per second (abbreviated mph, MPS or mi/s) is an imperial and United States customary unit of speed expressing the number of statute miles covered in one second.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
mile per second | mps | ≡ 1 mi/s | = 1609.344 m/s | Imperial/US |
miles per second | speed of lights | miles per second | speed of lights |
---|---|---|---|
1 | = 5.3681937522257E-6 | 6 | = 3.2209162513354E-5 |
2 | = 1.0736387504451E-5 | 7 | = 3.757735626558E-5 |
3 | = 1.6104581256677E-5 | 8 | = 4.2945550017806E-5 |
4 | = 2.1472775008903E-5 | 9 | = 4.8313743770032E-5 |
5 | = 2.6840968761129E-5 | 10 | = 5.3681937522257E-5 |
speed of lights | miles per second |
---|---|
1 | = 186,282.3970512 |
5.3681937522257 × 10-6 | = 1 |
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 …) |