| speed of sound (32 °F) | 1 s | 2 s | 3 s | 4 s | 5 s | 6 s | 7 s | 8 s | 9 s | 10 s | 11 s | 12 s | 13 s | 14 s | 15 s | 16 s | 17 s | 18 s | 19 s | 20 s | 21 s | 22 s | 23 s | 24 s | 25 s | 26 s | 27 s | 28 s | 29 s | 30 s | 31 s | 32 s | 33 s | 34 s | 35 s | 36 s | 37 s | 38 s | 39 s | 40 s | 41 s | 42 s | 43 s | 44 s | 45 s | 46 s | 47 s | 48 s | 49 s | 50 s | 51 s | 52 s | 53 s | 54 s | 55 s | 56 s | 57 s | 58 s | 59 s | 60 s | 61 s | 62 s | 63 s | 64 s | 65 s | 66 s | 67 s | 68 s | 69 s | 70 s | 71 s | 72 s | 73 s | 74 s | 75 s | 76 s | 77 s | 78 s | 79 s | 80 s | 81 s | 82 s | 83 s | 84 s | 85 s | 86 s | 87 s | 88 s | 89 s | 90 s | 91 s | 92 s | 93 s | 94 s | 95 s | 96 s | 97 s | 98 s | 99 s | 100 s |
| mile per second | 0.2057981 mps | 0.4115963 mps | 0.6173944 mps | 0.8231926 mps | 1.0289907 mps | 1.2347888 mps | 1.4405870 mps | 1.6463851 mps | 1.8521832 mps | 2.0579814 mps | 2.2637795 mps | 2.4695777 mps | 2.6753758 mps | 2.8811739 mps | 3.0869721 mps | 3.2927702 mps | 3.4985684 mps | 3.7043665 mps | 3.9101646 mps | 4.1159628 mps | 4.3217609 mps | 4.5275591 mps | 4.7333572 mps | 4.9391553 mps | 5.1449535 mps | 5.3507516 mps | 5.5565497 mps | 5.7623479 mps | 5.9681460 mps | 6.1739442 mps | 6.3797423 mps | 6.5855404 mps | 6.7913386 mps | 6.9971367 mps | 7.2029349 mps | 7.4087330 mps | 7.6145311 mps | 7.8203293 mps | 8.0261274 mps | 8.2319256 mps | 8.4377237 mps | 8.6435218 mps | 8.8493200 mps | 9.0551181 mps | 9.2609162 mps | 9.4667144 mps | 9.6725125 mps | 9.8783107 mps | 10.0841088 mps | 10.2899069 mps | 10.4957051 mps | 10.7015032 mps | 10.9073014 mps | 11.1130995 mps | 11.3188976 mps | 11.5246958 mps | 11.7304939 mps | 11.9362921 mps | 12.1420902 mps | 12.3478883 mps | 12.5536865 mps | 12.7594846 mps | 12.9652827 mps | 13.1710809 mps | 13.3768790 mps | 13.5826772 mps | 13.7884753 mps | 13.9942734 mps | 14.2000716 mps | 14.4058697 mps | 14.6116679 mps | 14.8174660 mps | 15.0232641 mps | 15.2290623 mps | 15.4348604 mps | 15.6406586 mps | 15.8464567 mps | 16.0522548 mps | 16.2580530 mps | 16.4638511 mps | 16.6696492 mps | 16.8754474 mps | 17.0812455 mps | 17.2870437 mps | 17.4928418 mps | 17.6986399 mps | 17.9044381 mps | 18.1102362 mps | 18.3160344 mps | 18.5218325 mps | 18.7276306 mps | 18.9334288 mps | 19.1392269 mps | 19.3450251 mps | 19.5508232 mps | 19.7566213 mps | 19.9624195 mps | 20.1682176 mps | 20.3740157 mps | 20.5798139 mps |
The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium. In dry air at 0 °C (32 °F), the speed of sound is 331.2 metres per second (1,087 ft/s; 1,192 km/h; 741 mph; 644 kn). At 20 °C (68 °F), the speed of sound is 343 metres per second (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or a kilometre in 2.91 s or a mile in 4.69 s.
| 1 speed of sounds (32 °F) ≈ 0.205798138869 miles per second | 6 speed of sounds (32 °F) ≈ 1.234788833214 miles per second |
| 2 speed of sounds (32 °F) ≈ 0.41159627773801 miles per second | 7 speed of sounds (32 °F) ≈ 1.440586972083 miles per second |
| 3 speed of sounds (32 °F) ≈ 0.61739441660701 miles per second | 8 speed of sounds (32 °F) ≈ 1.646385110952 miles per second |
| 4 speed of sounds (32 °F) ≈ 0.82319255547602 miles per second | 9 speed of sounds (32 °F) ≈ 1.852183249821 miles per second |
| 5 speed of sounds (32 °F) ≈ 1.028990694345 miles per second | 10 speed of sounds (32 °F) ≈ 2.0579813886901 miles per second |
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.
| 1 miles per second ≈ 4.8591304347826 speed of sounds (32 °F) | 6 miles per second ≈ 29.154782608696 speed of sounds (32 °F) |
| 2 miles per second ≈ 9.7182608695652 speed of sounds (32 °F) | 7 miles per second ≈ 34.013913043478 speed of sounds (32 °F) |
| 3 miles per second ≈ 14.577391304348 speed of sounds (32 °F) | 8 miles per second ≈ 38.873043478261 speed of sounds (32 °F) |
| 4 miles per second ≈ 19.43652173913 speed of sounds (32 °F) | 9 miles per second ≈ 43.732173913043 speed of sounds (32 °F) |
| 5 miles per second ≈ 24.295652173913 speed of sounds (32 °F) | 10 miles per second ≈ 48.591304347826 speed of sounds (32 °F) |
| 1 speed of sounds (32 °F) ≈ 0.2057981 miles per second |
| 1 miles per second ≈ 4.8591304 speed of sounds (32 °F) |