**knot**

##### Non-SI unit

Name | Symbol | Quantity | Expressed in terms of SI base units | Expressed in terms of other SI units | |

knot | kn | speed | ^{1852}⁄_{3600} m s^{−1} |
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## DefinitionThe knot, symbol kn, is a non-SI unit of speed. The knot is not accepted for use with the SI. One knot is equal to one nautical mile per hour, or |