Knots to KM/H Converter

Express knots as kilometres per hour.

Use The Exact Nautical-Mile Definition

Knot means one nautical mile per hour; the nautical mile is exactly 1852 m.

Because one hour is the same duration on both sides, 1852 metres per hour becomes exactly 1.852 kilometres per hour.

Read A Knot Value On A Metric Scale

10 kn becomes exactly 18.52 km/h.

Do not substitute statute miles per hour for knots.

Learn More About This Topic

Use the supporting references when the assumptions behind Knots to KM/H matter as much as the immediate result. For more context, read how speed units compare before using the result in a real workflow.

Frequently Asked Questions

A knot is one nautical mile per hour, and the nautical mile is defined as exactly 1852 metres.

No. A nautical mile is a distance; a knot is a speed of one nautical mile per hour.

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