Speed Conversion Explained
Common Speed Units:
- MPH (Miles per Hour): Standard speed unit in imperial system, used in US/UK for road speeds
- KPH (Kilometers per Hour): Metric system unit, global standard for vehicle speedometers
- Knots: Nautical miles per hour, used in aviation and maritime navigation
- Mach Number: Speed relative to sound speed (Mach 1 = 1235 km/h at sea level)
Conversion Formulas:
- 1 mph = 1.60934 kph (exact conversion factor)
- 1 knot = 1.852 kph (international definition)
- Mach to KPH varies with altitude and air temperature