By CalculatorInn Team · Updated: 2026-03-22 · Free & accurate · Instant results
Convert speed between miles per hour (mph), kilometers per hour (kph), meters per second (m/s), and knots.
Interactive Speed Converter
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Convert to m/s first, then to target unit
1 mph = 1.60934 kph = 0.44704 m/s = 0.86898 knots.
A knot is 1 nautical mile per hour (1.852 kph). It's used in aviation and maritime navigation.
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