| 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 |
| inch per hour | 46,941,732.283465 iph | 93,883,464.566929 iph | 140,825,196.85039 iph | 187,766,929.13386 iph | 234,708,661.41732 iph | 281,650,393.70079 iph | 328,592,125.98425 iph | 375,533,858.26772 iph | 422,475,590.55118 iph | 469,417,322.83465 iph | 516,359,055.11811 iph | 563,300,787.40157 iph | 610,242,519.68504 iph | 657,184,251.9685 iph | 704,125,984.25197 iph | 751,067,716.53543 iph | 798,009,448.8189 iph | 844,951,181.10236 iph | 891,892,913.38583 iph | 938,834,645.66929 iph | 985,776,377.95276 iph | 1,032,718,110.2362 iph | 1,079,659,842.5197 iph | 1,126,601,574.8031 iph | 1,173,543,307.0866 iph | 1,220,485,039.3701 iph | 1,267,426,771.6535 iph | 1,314,368,503.937 iph | 1,361,310,236.2205 iph | 1,408,251,968.5039 iph | 1,455,193,700.7874 iph | 1,502,135,433.0709 iph | 1,549,077,165.3543 iph | 1,596,018,897.6378 iph | 1,642,960,629.9213 iph | 1,689,902,362.2047 iph | 1,736,844,094.4882 iph | 1,783,785,826.7717 iph | 1,830,727,559.0551 iph | 1,877,669,291.3386 iph | 1,924,611,023.622 iph | 1,971,552,755.9055 iph | 2,018,494,488.189 iph | 2,065,436,220.4724 iph | 2,112,377,952.7559 iph | 2,159,319,685.0394 iph | 2,206,261,417.3228 iph | 2,253,203,149.6063 iph | 2,300,144,881.8898 iph | 2,347,086,614.1732 iph | 2,394,028,346.4567 iph | 2,440,970,078.7402 iph | 2,487,911,811.0236 iph | 2,534,853,543.3071 iph | 2,581,795,275.5906 iph | 2,628,737,007.874 iph | 2,675,678,740.1575 iph | 2,722,620,472.4409 iph | 2,769,562,204.7244 iph | 2,816,503,937.0079 iph | 2,863,445,669.2913 iph | 2,910,387,401.5748 iph | 2,957,329,133.8583 iph | 3,004,270,866.1417 iph | 3,051,212,598.4252 iph | 3,098,154,330.7087 iph | 3,145,096,062.9921 iph | 3,192,037,795.2756 iph | 3,238,979,527.5591 iph | 3,285,921,259.8425 iph | 3,332,862,992.126 iph | 3,379,804,724.4094 iph | 3,426,746,456.6929 iph | 3,473,688,188.9764 iph | 3,520,629,921.2598 iph | 3,567,571,653.5433 iph | 3,614,513,385.8268 iph | 3,661,455,118.1102 iph | 3,708,396,850.3937 iph | 3,755,338,582.6772 iph | 3,802,280,314.9606 iph | 3,849,222,047.2441 iph | 3,896,163,779.5276 iph | 3,943,105,511.811 iph | 3,990,047,244.0945 iph | 4,036,988,976.378 iph | 4,083,930,708.6614 iph | 4,130,872,440.9449 iph | 4,177,814,173.2283 iph | 4,224,755,905.5118 iph | 4,271,697,637.7953 iph | 4,318,639,370.0787 iph | 4,365,581,102.3622 iph | 4,412,522,834.6457 iph | 4,459,464,566.9291 iph | 4,506,406,299.2126 iph | 4,553,348,031.4961 iph | 4,600,289,763.7795 iph | 4,647,231,496.063 iph | 4,694,173,228.3465 iph |
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) ≈ 46941732.283465 inches per hour | 6 speed of sounds (32 °F) ≈ 281650393.70079 inches per hour |
| 2 speed of sounds (32 °F) ≈ 93883464.566929 inches per hour | 7 speed of sounds (32 °F) ≈ 328592125.98425 inches per hour |
| 3 speed of sounds (32 °F) ≈ 140825196.85039 inches per hour | 8 speed of sounds (32 °F) ≈ 375533858.26772 inches per hour |
| 4 speed of sounds (32 °F) ≈ 187766929.13386 inches per hour | 9 speed of sounds (32 °F) ≈ 422475590.55118 inches per hour |
| 5 speed of sounds (32 °F) ≈ 234708661.41732 inches per hour | 10 speed of sounds (32 °F) ≈ 469417322.83465 inches per hour |
Inch per hour is unit of speed or velocity. It equals 0.000007055 meter per second. Plural name is inches / hour.
| 1 inches per hour ≈ 2.1303005904455E-8 speed of sounds (32 °F) | 6 inches per hour ≈ 1.2781803542673E-7 speed of sounds (32 °F) |
| 2 inches per hour ≈ 4.260601180891E-8 speed of sounds (32 °F) | 7 inches per hour ≈ 1.4912104133119E-7 speed of sounds (32 °F) |
| 3 inches per hour ≈ 6.3909017713366E-8 speed of sounds (32 °F) | 8 inches per hour ≈ 1.7042404723564E-7 speed of sounds (32 °F) |
| 4 inches per hour ≈ 8.5212023617821E-8 speed of sounds (32 °F) | 9 inches per hour ≈ 1.917270531401E-7 speed of sounds (32 °F) |
| 5 inches per hour ≈ 1.0651502952228E-7 speed of sounds (32 °F) | 10 inches per hour ≈ 2.1303005904455E-7 speed of sounds (32 °F) |
| 1 speed of sounds (32 °F) ≈ 46,941,732.283465 inches per hour |
| 1 inches per hour ≈ 2.1303005904455 × 10-8 speed of sounds (32 °F) |