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This free speed converter allows you to convert kilometers per hour to miles per hour, meters per second to kilometers per hour, knots to miles per hour, and other common speed measurements instantly.

• Miles per Hour to Kilometers per Hour — km/h = mph × 1.60934
• Kilometers per Hour to Miles per Hour — mph = km/h × 0.621371
• Meters per Second to Kilometers per Hour — km/h = m/s × 3.6

This Speed converter helps you quickly convert between common speed units such as miles per hour, kilometers per hour, and meters per second. It is useful for travel, science, weather measurements, and everyday speed calculations.

• 1 mile per hour = 1.609 kilometers per hour
• 1 kilometer per hour = 0.621 miles per hour
• 1 meter per second = 3.6 kilometers per hour
• 1 mile per hour = 0.447 meters per second
• 1 knot = 1.151 miles per hour
• 1 kilometer per hour = 0.278 meters per second

Speed is the rate at which an object moves over a certain distance in a given amount of time.

Common units include miles per hour (mph), kilometers per hour (km/h), and meters per second (m/s).

To convert miles per hour to kilometers per hour, multiply by 1.60934.

Speed refers to how fast something is moving, while velocity includes both speed and direction.