Speed Converters

20 conversions

Convert between meters per second, kilometers per hour, miles per hour, knots, and more. Essential for transportation, physics, and athletic performance analysis.

km/h → mph

Kilometer-per-hour to Mile-per-hour

NIST Exact

mph → km/h

Mile-per-hour to Kilometer-per-hour

NIST Exact

m/s → km/h

Meter-per-second to Kilometer-per-hour

NIST Exact

km/h → m/s

Kilometer-per-hour to Meter-per-second

NIST Exact

kn → km/h

Knot to Kilometer-per-hour

NIST Exact

kn → mph

Knot to Mile-per-hour

NIST Exact

km/h → kn

Kilometer-per-hour to Knot

NIST Exact

mph → m/s

Mile-per-hour to Meter-per-second

NIST Exact

m/s → mph

Meter-per-second to Mile-per-hour

NIST Exact

kn → m/s

Knot to Meter-per-second

NIST Exact

m/s → kn

Meter-per-second to Knot

NIST Exact

Ma → km/h

Mach to Kilometer-per-hour

km/h → Ma

Kilometer-per-hour to Mach

Ma → mph

Mach to Mile-per-hour

mph → Ma

Mile-per-hour to Mach

ft/s → mph

Foot-per-second to Mile-per-hour

NIST Exact

mph → ft/s

Mile-per-hour to Foot-per-second

NIST Exact

ft/s → km/h

Foot-per-second to Kilometer-per-hour

NIST Exact

km/h → ft/s

Kilometer-per-hour to Foot-per-second

NIST Exact

mph → kn

Mile-per-hour to Knot

NIST Exact

Values based on NIST SP 811 conversion factors

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