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Metres per second en Kilometres per hour

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

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De1 m/s
Résultat3,6 km/h
Factor1 m/s = 3,6 km/h
Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

011 m/s = 3,6 km/h

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 m/s = 3.6 km/h. Metres per second is the base unit of the family, so the value is converted directly.

Tableau

Metres per secondKilometres per hour
13,6
518
1036
2072

Formule

1 m/s = 3.6 km/h. Metres per second is the base unit of the family, so the value is converted directly.

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/hVitesseKilometres per hour en Knotkm/h → knVitesseMiles per hour en Kilometres per hourmph → km/hVitesseKilometres per hour en Miles per hourkm/h → mphVitesse

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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 re-checked as of August 2026. Vitesse. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Metres per second en Kilometres per hour?

1 m/s = 3,6 km/h

Which formula does Metres per second en Kilometres per hour use?

1 m/s = 3.6 km/h. Metres per second is the base unit of the family, so the value is converted directly.

When should I verify the result?

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