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 (68 °F) | 0.0014998 s | 0.0029997 s | 0.0044995 s | 0.0059994 s | 0.0074992 s | 0.0089990 s | 0.0104989 s | 0.0119987 s | 0.0134985 s | 0.0149984 s | 0.0164982 s | 0.0179981 s | 0.0194979 s | 0.0209977 s | 0.0224976 s | 0.0239974 s | 0.0254972 s | 0.0269971 s | 0.0284969 s | 0.0299968 s | 0.0314966 s | 0.0329964 s | 0.0344963 s | 0.0359961 s | 0.0374960 s | 0.0389958 s | 0.0404956 s | 0.0419955 s | 0.0434953 s | 0.0449951 s | 0.0464950 s | 0.0479948 s | 0.0494947 s | 0.0509945 s | 0.0524943 s | 0.0539942 s | 0.0554940 s | 0.0569938 s | 0.0584937 s | 0.0599935 s | 0.0614934 s | 0.0629932 s | 0.0644930 s | 0.0659929 s | 0.0674927 s | 0.0689925 s | 0.0704924 s | 0.0719922 s | 0.0734921 s | 0.0749919 s | 0.0764917 s | 0.0779916 s | 0.0794914 s | 0.0809913 s | 0.0824911 s | 0.0839909 s | 0.0854908 s | 0.0869906 s | 0.0884904 s | 0.0899903 s | 0.0914901 s | 0.0929900 s | 0.0944898 s | 0.0959896 s | 0.0974895 s | 0.0989893 s | 0.1004891 s | 0.1019890 s | 0.1034888 s | 0.1049887 s | 0.1064885 s | 0.1079883 s | 0.1094882 s | 0.1109880 s | 0.1124879 s | 0.1139877 s | 0.1154875 s | 0.1169874 s | 0.1184872 s | 0.1199870 s | 0.1214869 s | 0.1229867 s | 0.1244866 s | 0.1259864 s | 0.1274862 s | 0.1289861 s | 0.1304859 s | 0.1319857 s | 0.1334856 s | 0.1349854 s | 0.1364853 s | 0.1379851 s | 0.1394849 s | 0.1409848 s | 0.1424846 s | 0.1439845 s | 0.1454843 s | 0.1469841 s | 0.1484840 s | 0.1499838 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 ≈ 0.0014998380304503 speed of sounds (68 °F) | 6 knots ≈ 0.0089990281827017 speed of sounds (68 °F) |
2 knots ≈ 0.0029996760609006 speed of sounds (68 °F) | 7 knots ≈ 0.010498866213152 speed of sounds (68 °F) |
3 knots ≈ 0.0044995140913508 speed of sounds (68 °F) | 8 knots ≈ 0.011998704243602 speed of sounds (68 °F) |
4 knots ≈ 0.0059993521218011 speed of sounds (68 °F) | 9 knots ≈ 0.013498542274052 speed of sounds (68 °F) |
5 knots ≈ 0.0074991901522514 speed of sounds (68 °F) | 10 knots ≈ 0.014998380304503 speed of sounds (68 °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 (68 °F) ≈ 666.73866090713 knots | 6 speed of sounds (68 °F) ≈ 4000.4319654428 knots |
2 speed of sounds (68 °F) ≈ 1333.4773218143 knots | 7 speed of sounds (68 °F) ≈ 4667.1706263499 knots |
3 speed of sounds (68 °F) ≈ 2000.2159827214 knots | 8 speed of sounds (68 °F) ≈ 5333.909287257 knots |
4 speed of sounds (68 °F) ≈ 2666.9546436285 knots | 9 speed of sounds (68 °F) ≈ 6000.6479481641 knots |
5 speed of sounds (68 °F) ≈ 3333.6933045356 knots | 10 speed of sounds (68 °F) ≈ 6667.3866090713 knots |
1 knots ≈ 0.0014998 speed of sounds (68 °F) |
1 speed of sounds (68 °F) ≈ 666.7386609 knots |