Speed Converter - Convert KMH to MPH, Knots & More
Convert speed between km/h, mph, m/s, knots, and other speed units. Free speed conversion calculator with instant results.
Speed Unit Converter
Quick Conversions
About Speed Converter
Our speed converter supports conversion between metric and imperial speed units including km/h, mph, m/s, knots, and more. Perfect for automotive, aviation, maritime, and scientific applications.
Common Speed Conversions
- KM/H to MPH: Multiply by 0.621371 (1 km/h = 0.621 mph)
- MPH to KM/H: Multiply by 1.609344 (1 mph = 1.609 km/h)
- M/S to KM/H: Multiply by 3.6 (1 m/s = 3.6 km/h)
- Knots to KM/H: Multiply by 1.852 (1 kn = 1.852 km/h)
- Mach to M/S: Multiply by 343 (1 Ma ≈ 343 m/s at sea level)
When to Use Speed Converters
Speed converters are essential for international travel, automotive specifications, aviation calculations, maritime navigation, sports performance analysis, and scientific research involving velocity measurements.
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