Speed converter

All speed conversions

• Kilometers per hour to miles per hour1 km/h = 0.62137 mph
• Miles per hour to kilometers per hour1 mph = 1.6093 km/h
• Meters per second to kilometers per hour1 m/s = 3.6 km/h
• Kilometers per hour to meters per second1 km/h = 0.27778 m/s
• Knots to miles per hour1 kn = 1.1508 mph
• Miles per hour to knots1 mph = 0.86898 kn
• Meters per second to miles per hour1 m/s = 2.2369 mph
• Miles per hour to meters per second1 mph = 0.44704 m/s
• Knots to kilometers per hour1 kn = 1.852 km/h
• Kilometers per hour to knots1 km/h = 0.53996 kn
• Feet per second to miles per hour1 ft/s = 0.68182 mph
• Miles per hour to feet per second1 mph = 1.4667 ft/s

How speed conversion works

Speed conversions go through meters per second. One kilometer per hour is 1/3.6 m/s, one mile per hour is exactly 0.44704 m/s, and one knot (one nautical mile per hour) is about 1.852 km/h.

For quick checks, divide km/h by 1.609 to get mph, or multiply mph by 1.609 to get km/h: 100 km/h is about 62 mph, and 60 mph is about 97 km/h.