Tools / Converters

Speed Converter

From km/h to knots — convert instantly.

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Category Converters

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Updated 2026-08-30

Enter the speed value you want to convert.

Pick the source and target units to see the result instantly.

Tap the ⇄ button to swap the source and target units.

Q1. How do I convert km/h to mph?

Pick km/h as the source and mph as the target — the result uses the 1 mph ≈ 1.60934 km/h ratio.

Q2. Where is knot (kn) used?

It is mainly used for ship and aircraft speed. One knot equals one nautical mile per hour (about 1.852 km/h).

Q3. When is m/s used?

It is the base unit commonly used in physics and meteorological wind-speed readings.

Q4. How many decimal places are shown?

Results are shown with up to 6 decimal places. Very small discrepancies can come from rounding.

Q5. Is my input sent to a server?

No. All calculations happen entirely in your browser and are never sent to or stored on a server.

This page participates in the Coupang Partners program and may earn a commission from qualifying purchases.