How do I convert km/h to mph?

To convert kilometers per hour to miles per hour, multiply by 0.621371. For example, 100 km/h equals approximately 62.14 mph.

How do I convert m/s to km/h?

To convert meters per second to kilometers per hour, multiply by 3.6. For example, 10 m/s equals 36 km/h.

How many knots are in 1 mph?

There are approximately 0.868976 knots in 1 mile per hour.

Velocity Converter | km/h, mph, m/s, knots & More

Common Velocity Conversions

The most frequently searched velocity conversions: km/h to mph (1 km/h ≈ 0.6214 mph), mph to km/h (1 mph ≈ 1.60934 km/h), m/s to km/h (1 m/s = 3.6 km/h), knots to mph (1 knot ≈ 1.15078 mph), and feet per second to mph.

Metric vs. Imperial Velocity Units

Velocity (speed) is distance per unit of time. The metric system commonly uses kilometers per hour (km/h) and meters per second (m/s). The imperial/US system uses miles per hour (mph), feet per second (ft/s), and knots (nautical miles per hour). These conversions are essential for transportation, aviation, meteorology, and physics.

About This Converter

Part of MetricToImperial.com, providing free accurate unit conversions since 2007. Also try the ImperialToMetric.com interactive converter for 100+ unit categories in one place.