knot | 1 kn | 2 kn | 3 kn | 4 kn | 5 kn | 6 kn | 7 kn | 8 kn | 9 kn | 10 kn | 11 kn | 12 kn | 13 kn | 14 kn | 15 kn | 16 kn | 17 kn | 18 kn | 19 kn | 20 kn | 21 kn | 22 kn | 23 kn | 24 kn | 25 kn | 26 kn | 27 kn | 28 kn | 29 kn | 30 kn | 31 kn | 32 kn | 33 kn | 34 kn | 35 kn | 36 kn | 37 kn | 38 kn | 39 kn | 40 kn | 41 kn | 42 kn | 43 kn | 44 kn | 45 kn | 46 kn | 47 kn | 48 kn | 49 kn | 50 kn | 51 kn | 52 kn | 53 kn | 54 kn | 55 kn | 56 kn | 57 kn | 58 kn | 59 kn | 60 kn | 61 kn | 62 kn | 63 kn | 64 kn | 65 kn | 66 kn | 67 kn | 68 kn | 69 kn | 70 kn | 71 kn | 72 kn | 73 kn | 74 kn | 75 kn | 76 kn | 77 kn | 78 kn | 79 kn | 80 kn | 81 kn | 82 kn | 83 kn | 84 kn | 85 kn | 86 kn | 87 kn | 88 kn | 89 kn | 90 kn | 91 kn | 92 kn | 93 kn | 94 kn | 95 kn | 96 kn | 97 kn | 98 kn | 99 kn | 100 kn |
speed of sound (32 °F) | 0.0015533 s | 0.0031065 s | 0.0046598 s | 0.0062131 s | 0.0077664 s | 0.0093196 s | 0.0108729 s | 0.0124262 s | 0.0139795 s | 0.0155327 s | 0.0170860 s | 0.0186393 s | 0.0201926 s | 0.0217458 s | 0.0232991 s | 0.0248524 s | 0.0264057 s | 0.0279589 s | 0.0295122 s | 0.0310655 s | 0.0326188 s | 0.0341720 s | 0.0357253 s | 0.0372786 s | 0.0388319 s | 0.0403851 s | 0.0419384 s | 0.0434917 s | 0.0450450 s | 0.0465982 s | 0.0481515 s | 0.0497048 s | 0.0512581 s | 0.0528113 s | 0.0543646 s | 0.0559179 s | 0.0574711 s | 0.0590244 s | 0.0605777 s | 0.0621310 s | 0.0636842 s | 0.0652375 s | 0.0667908 s | 0.0683441 s | 0.0698973 s | 0.0714506 s | 0.0730039 s | 0.0745572 s | 0.0761104 s | 0.0776637 s | 0.0792170 s | 0.0807703 s | 0.0823235 s | 0.0838768 s | 0.0854301 s | 0.0869834 s | 0.0885366 s | 0.0900899 s | 0.0916432 s | 0.0931965 s | 0.0947497 s | 0.0963030 s | 0.0978563 s | 0.0994096 s | 0.1009628 s | 0.1025161 s | 0.1040694 s | 0.1056227 s | 0.1071759 s | 0.1087292 s | 0.1102825 s | 0.1118357 s | 0.1133890 s | 0.1149423 s | 0.1164956 s | 0.1180488 s | 0.1196021 s | 0.1211554 s | 0.1227087 s | 0.1242619 s | 0.1258152 s | 0.1273685 s | 0.1289218 s | 0.1304750 s | 0.1320283 s | 0.1335816 s | 0.1351349 s | 0.1366881 s | 0.1382414 s | 0.1397947 s | 0.1413480 s | 0.1429012 s | 0.1444545 s | 0.1460078 s | 0.1475611 s | 0.1491143 s | 0.1506676 s | 0.1522209 s | 0.1537742 s | 0.1553274 s |
The knot (/nɒt/) is a unit of speed equal to one nautical mile (1.852 km) per hour, approximately 1.15078 mph. The ISO Standard symbol for the knot is kn. The same symbol is preferred by the Institute of Electrical and Electronics Engineers (IEEE); kt is also common.
1 knots ≈ 0.0015532742887815 speed of sounds (32 °F) | 6 knots ≈ 0.0093196457326892 speed of sounds (32 °F) |
2 knots ≈ 0.0031065485775631 speed of sounds (32 °F) | 7 knots ≈ 0.010872920021471 speed of sounds (32 °F) |
3 knots ≈ 0.0046598228663446 speed of sounds (32 °F) | 8 knots ≈ 0.012426194310252 speed of sounds (32 °F) |
4 knots ≈ 0.0062130971551261 speed of sounds (32 °F) | 9 knots ≈ 0.013979468599034 speed of sounds (32 °F) |
5 knots ≈ 0.0077663714439077 speed of sounds (32 °F) | 10 knots ≈ 0.015532742887815 speed of sounds (32 °F) |
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) ≈ 643.80129589633 knots | 6 speed of sounds (32 °F) ≈ 3862.807775378 knots |
2 speed of sounds (32 °F) ≈ 1287.6025917927 knots | 7 speed of sounds (32 °F) ≈ 4506.6090712743 knots |
3 speed of sounds (32 °F) ≈ 1931.403887689 knots | 8 speed of sounds (32 °F) ≈ 5150.4103671706 knots |
4 speed of sounds (32 °F) ≈ 2575.2051835853 knots | 9 speed of sounds (32 °F) ≈ 5794.211663067 knots |
5 speed of sounds (32 °F) ≈ 3219.0064794816 knots | 10 speed of sounds (32 °F) ≈ 6438.0129589633 knots |
1 knots ≈ 0.0015533 speed of sounds (32 °F) |
1 speed of sounds (32 °F) ≈ 643.8012959 knots |