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Kilometres per hour en Knot

Knots are nautical miles per hour. mph and knots are not interchangeable imperial speeds.

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De1 km/h
Résultat0,5399568 kn
Factor1 km/h = 0,5399568035 kn
Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

0150 km/h = 26,99784017 kn

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Erreur fréquente

Knots are nautical miles per hour. mph and knots are not interchangeable imperial speeds.

03Unité de base: m/s

1 km/h = 0.277777... m/s. Then the value is converted through the base unit m/s into Knot.

Tableau

Kilometres per hourKnot
5026,99784017
10053,99568035
13070,19438445

Formule

1 km/h = 0.277777... m/s. Then the value is converted through the base unit m/s into Knot.

Sources

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix BNIST conversion-factor method and non-SI factors.

Conversions liées

Knot en Kilometres per hourkn → km/hVitesseMiles per hour en Kilometres per hourmph → km/hVitesseKilometres per hour en Miles per hourkm/h → mphVitesseMetres per second en Kilometres per hourm/s → km/hVitesse

Search and practice paths

Search and practice paths

FormuleTableauExamplesErreur fréquenteEveryday/engineeringExcel/CSVConvertisseur par lotPrint view
Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources current as of May 2026. Vitesse. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Kilometres per hour en Knot?

1 km/h = 0,5399568035 kn

Which formula does Kilometres per hour en Knot use?

1 km/h = 0.277777... m/s. Then the value is converted through the base unit m/s into Knot.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.