The Speed of Light

  • c…
  • 299,792,458 meters per second
  • 1,080,000,000 kilometers per hour
  • 186,282.34 miles per second
  • 670,600,000 miles per hour
  • light year = 5,874,599,855,946 miles (≈ 6 trillion)
  • c-squared = 89,875,517,873,681,764 (≈ 90 trillion)

(Technically, gamma is the inverse of the term above!)
Lorentz Effect
%c m/s KPH MPH γ 1/γ
%c m/s KPH MPH γ 1/γ
0.0001003001,0796711.0000000000005000.999999999999500
0.0010002,99810,7936,7061.0000000000500000.999999999950000
0.01000029,979107,92567,0621.0000000050000000.999999995000000
0.100000299,7921,079,253670,6161.0000005000003750.999999499999875
1.0000002,997,92510,792,5286,706,1641.0000500037503130.999949998749937
10.00000029,979,246107,925,28567,061,6421.0050378152592120.994987437106620
20.00000059,958,492215,850,570134,123,2841.0206207261596580.979795897113271
25.00000074,948,114269,813,212167,654,1051.0327955589886440.968245836551854
30.00000089,937,737323,775,855201,184,9271.0482848367219180.953939201416946
33.33330099,930,719359,750,590223,538,5841.0606600391973910.942809159433127
40.000000119,916,983431,701,140268,246,5691.0910894511799620.916515138991168
50.000000149,896,229539,626,424335,308,2111.1547005383792520.866025403784438
60.000000179,875,475647,551,709402,369,8531.2500000000000000.800000000000000
66.666600199,861,439719,501,180447,077,1681.3416397131890690.745356588784187
70.000000209,854,721755,476,994469,431,4951.4002800840280100.714142842854285
75.000000224,844,344809,439,637502,962,3161.5118578920369090.661437827766148
80.000000239,833,966863,402,279536,493,1381.6666666666666670.600000000000000
85.000000254,823,589917,364,921570,023,9591.8983159915049980.526782687642637
90.000000269,813,212971,327,564603,554,7802.2941573387056170.435889894354067
91.000000272,811,137982,120,092610,260,9442.4119153509747410.414608248832557
92.000000275,809,061992,912,621616,967,1082.5515518153991450.391918358845308
93.000000278,806,9861,003,705,149623,673,2722.7206478089547170.367559518989782
94.000000281,804,9111,014,497,678630,379,4372.9310519088027450.341174442184640
95.000000284,802,8351,025,290,206637,085,6013.2025630761017410.312249899919920
96.000000287,800,7601,036,082,735643,791,7653.5714285714285730.280000000000000
97.000000290,798,6841,046,875,263650,497,9294.1134503489486350.243104915622864
98.000000293,796,6091,057,667,792657,204,0935.0251890762960550.198997487421324
99.000000296,794,5331,068,460,320663,910,2587.0888120500833740.141067359796659
99.500000298,293,4961,073,856,585667,263,34010.0125234864351430.099874921777191
99.900000299,492,6661,078,173,596669,945,80522.3662720421293710.044710177812216
99.990000299,762,4791,079,144,924670,549,36070.7124459518752670.014141782065926
99.999000299,789,4601,079,242,056670,609,716223.6073567702453890.004472124774622
99.999900299,792,1581,079,251,770670,615,751707.1069579688579550.001414213208809
99.999999299,792,4551,079,252,838670,616,4157071.0678529787364820.000141421355415
Python program for the table above