Speed Converter
Convert meters per second, kilometers per hour, miles per hour, knots, and feet per second. Essential for driving, aviation, athletics, and physics problems.
Result
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Formula
target = source × (sourceToBase / targetToBase)
Speed is normalized to meters per second. To convert km/h to mph, the value is first expressed in m/s, then converted to the target unit.
Example
- Convert: 1 m × 3.28084= 3.28 ft
Result: 1 meter = 3.28 feet
Frequently Asked Questions
How do I convert km/h to mph?
Multiply km/h by 0.621371. For example, 100 km/h equals approximately 62.14 mph.
What is a knot in speed measurement?
One knot equals one nautical mile per hour, or about 1.852 km/h. Knots are standard in maritime and aviation navigation.
How fast is 1 m/s in everyday terms?
1 m/s equals 3.6 km/h or about 2.24 mph — roughly a brisk walking pace.