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Speed & Velocity Converter

Free online Speed and Velocity Converter to translate speeds between kilometers per hour (km/h), miles per hour (mph), meters per second (m/s), knots (kn), feet per second (ft/s), and Mach speed.

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100% Private (No Data Stored)
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Instant & Free

How to Use the Speed & Velocity Converter

1

Enter Speed

Input your speed value.

2

Select From Unit

Choose starting unit (e.g. km/h, mph, knots).

3

Select To Unit

Choose destination unit.

4

View All Units

Review the primary answer and the comparison table across all 6 speed units.

Speed Conversion Factors

Standard conversion factors relative to 1 Meter per Second (m/s):

Speed UnitSymbolEquivalent in m/s
Kilometers per hourkm/h0.277778 m/s
Miles per hourmph0.44704 m/s
Knots (Nautical)kn0.514444 m/s
Feet per secondft/s0.3048 m/s
Mach (at sea level)Mach340.29 m/s

Why Choose Our Speed & Velocity Converter?

Supports km/h, mph, m/s, knots, ft/s, and Mach (speed of sound)
Real-time high-precision calculation
Displays comparison grid across all speed units
Clean mobile-friendly layout
Zero latency browser math

Pro Tips for Best Results

  • 1 mph is approximately 1.60934 km/h; 60 mph is approx 96.56 km/h.
  • Knots are used in aviation and maritime navigation (1 knot = 1 nautical mile per hour).

Frequently Asked Questions

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