| speed of sound (68 °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 |
| inch per second | 13,503.9370079 ips | 27,007.8740157 ips | 40,511.8110236 ips | 54,015.7480315 ips | 67,519.6850394 ips | 81,023.6220472 ips | 94,527.5590551 ips | 108,031.4960630 ips | 121,535.4330709 ips | 135,039.3700787 ips | 148,543.3070866 ips | 162,047.2440945 ips | 175,551.1811024 ips | 189,055.1181102 ips | 202,559.0551181 ips | 216,062.9921260 ips | 229,566.9291339 ips | 243,070.8661417 ips | 256,574.8031496 ips | 270,078.7401575 ips | 283,582.6771654 ips | 297,086.6141732 ips | 310,590.5511811 ips | 324,094.4881890 ips | 337,598.4251969 ips | 351,102.3622047 ips | 364,606.2992126 ips | 378,110.2362205 ips | 391,614.1732284 ips | 405,118.1102362 ips | 418,622.0472441 ips | 432,125.9842520 ips | 445,629.9212598 ips | 459,133.8582677 ips | 472,637.7952756 ips | 486,141.7322835 ips | 499,645.6692913 ips | 513,149.6062992 ips | 526,653.5433071 ips | 540,157.4803150 ips | 553,661.4173228 ips | 567,165.3543307 ips | 580,669.2913386 ips | 594,173.2283465 ips | 607,677.1653543 ips | 621,181.1023622 ips | 634,685.0393701 ips | 648,188.9763780 ips | 661,692.9133858 ips | 675,196.8503937 ips | 688,700.7874016 ips | 702,204.7244095 ips | 715,708.6614173 ips | 729,212.5984252 ips | 742,716.5354331 ips | 756,220.4724409 ips | 769,724.4094488 ips | 783,228.3464567 ips | 796,732.2834646 ips | 810,236.2204724 ips | 823,740.1574803 ips | 837,244.0944882 ips | 850,748.0314961 ips | 864,251.9685039 ips | 877,755.9055118 ips | 891,259.8425197 ips | 904,763.7795276 ips | 918,267.7165354 ips | 931,771.6535433 ips | 945,275.5905512 ips | 958,779.5275591 ips | 972,283.4645669 ips | 985,787.4015748 ips | 999,291.3385827 ips | 1,012,795.2755906 ips | 1,026,299.2125984 ips | 1,039,803.1496063 ips | 1,053,307.0866142 ips | 1,066,811.023622 ips | 1,080,314.9606299 ips | 1,093,818.8976378 ips | 1,107,322.8346457 ips | 1,120,826.7716535 ips | 1,134,330.7086614 ips | 1,147,834.6456693 ips | 1,161,338.5826772 ips | 1,174,842.519685 ips | 1,188,346.4566929 ips | 1,201,850.3937008 ips | 1,215,354.3307087 ips | 1,228,858.2677165 ips | 1,242,362.2047244 ips | 1,255,866.1417323 ips | 1,269,370.0787402 ips | 1,282,874.015748 ips | 1,296,377.9527559 ips | 1,309,881.8897638 ips | 1,323,385.8267717 ips | 1,336,889.7637795 ips | 1,350,393.7007874 ips |
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 (68 °F) ≈ 13503.937007874 inches per second | 6 speed of sounds (68 °F) ≈ 81023.622047244 inches per second |
| 2 speed of sounds (68 °F) ≈ 27007.874015748 inches per second | 7 speed of sounds (68 °F) ≈ 94527.559055118 inches per second |
| 3 speed of sounds (68 °F) ≈ 40511.811023622 inches per second | 8 speed of sounds (68 °F) ≈ 108031.49606299 inches per second |
| 4 speed of sounds (68 °F) ≈ 54015.748031496 inches per second | 9 speed of sounds (68 °F) ≈ 121535.43307087 inches per second |
| 5 speed of sounds (68 °F) ≈ 67519.68503937 inches per second | 10 speed of sounds (68 °F) ≈ 135039.37007874 inches per second |
Inch per second is unit of speed, its symbol is ips or in/s. It equals to 0.0254 meter per second or 60 inches per minute. Plural name is inches per second.
| 1 inches per second ≈ 7.4052478134111E-5 speed of sounds (68 °F) | 6 inches per second ≈ 0.00044431486880466 speed of sounds (68 °F) |
| 2 inches per second ≈ 0.00014810495626822 speed of sounds (68 °F) | 7 inches per second ≈ 0.00051836734693878 speed of sounds (68 °F) |
| 3 inches per second ≈ 0.00022215743440233 speed of sounds (68 °F) | 8 inches per second ≈ 0.00059241982507289 speed of sounds (68 °F) |
| 4 inches per second ≈ 0.00029620991253644 speed of sounds (68 °F) | 9 inches per second ≈ 0.000666472303207 speed of sounds (68 °F) |
| 5 inches per second ≈ 0.00037026239067055 speed of sounds (68 °F) | 10 inches per second ≈ 0.00074052478134111 speed of sounds (68 °F) |
| 1 speed of sounds (68 °F) ≈ 13,503.9370079 inches per second |
| 1 inches per second ≈ 7.4052478134111 × 10-5 speed of sounds (68 °F) |