Speed Converter
Convert speeds between km/h, mph, knots, m/s, and ft/s for navigation, travel, and physics.
Converted Velocity
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How to Convert Velocity & Speed Units
- Enter your velocity value.
- Select from Kilometers per hour (km/h), Miles per hour (mph), Meters per second (m/s), or Knots.
- View equivalent velocities across all automotive and maritime scales.
Velocity Conversion Factors
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1 mph = 1.60934 km/h -
1 m/s = 3.6 km/h -
1 Knot = 1.852 km/h (1 nautical mile per hour)
Example
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Highway speed limit:
65 mph = 104.6 km/h.
Wind gust:20 m/s = 72 km/h.
Common Applications
- Driving overseas and adjusting to foreign highway speed limits.
- Aviation, sailing, and marine nautical navigation.
- Physics kinematics and automotive acceleration benchmarking.
Frequently Asked Questions
What is a Knot?
A knot is one nautical mile per hour (exactly 1.852 km/h), universally used in maritime navigation and aviation.
How do I convert m/s to km/h quickly?
Multiply meters per second by 3.6 to get kilometers per hour.