Speed Converter
Speed Converter is the ultimate tool for instant speed unit conversions. Whether you need to convert miles to kilometers (MPH to KPH) for road trips, calculate Mach speed for aviation, or switch between knots and MPH for sailing, this tool delivers precise results in seconds. Perfect for drivers, pilots, athletes, and engineers, our speed converter calculator handles all common units like MPH, KPH, knots, m/s, and even Mach numbers.
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A speed converter is an essential tool for transforming speed measurements between different units. Whether you're converting miles to kilometers (MPH to KPH) for international travel, calculating Mach speed for aerospace applications, or comparing knots to MPH for marine navigation, this tool ensures accuracy and efficiency.
🚗 Speed Conversion Chart (MPH, KPH, Knots, m/s)
🟢 Basic Speed Units
| Unit | Abbr. | MPH | KPH | Knots | m/s |
|---|---|---|---|---|---|
| Miles per hour | mph | 1 | 1.609 | 0.869 | 0.447 |
| Kilometers per hour | kph | 0.621 | 1 | 0.540 | 0.278 |
| Knots | kn | 1.151 | 1.852 | 1 | 0.514 |
| Meters per second | m/s | 2.237 | 3.6 | 1.944 | 1 |
🔵 Conversion Formulas
| Conversion | Formula | Example |
|---|---|---|
| MPH → KPH | mph × 1.609 | 60 mph = 96.56 kph |
| KPH → MPH | kph × 0.621 | 100 kph = 62.14 mph |
| Knots → MPH | kn × 1.151 | 15 kn = 17.26 mph |
| m/s → KPH | m/s × 3.6 | 10 m/s = 36 kph |
🟣 Common Speed Equivalents
Walking speed: 3-4 mph (5-6.5 kph)
Cycling speed: 12-20 mph (19-32 kph)
Highway speed: 60-70 mph (97-113 kph)
Commercial jet: 575 mph (925 kph)
How to Use:
Find your starting unit in the top table
Multiply by the conversion factor
Get your result in desired units
Example:
Convert 50 mph to kph:
50 × 1.609 = 80.45 kph