1 mi/h=1.609344 km/h
1 km/h=0.6213711922 mi/h
What is Miles per Hour (mph)?
Miles per hour, abbreviated as mph, is a unit used to measure speed. It tells us how many miles something travels in one hour.
• Example: 25 miles per hour means an object travels 25 miles in one hour.
• Conversion factor: 1 mile = 1.609344 kilometres, so 25 mph ≈ 40.2 km/h.
Current Use:
• Mostly used in the United States and the United Kingdom...
1 mi/h=1.609344 km/h
1 km/h=0.6213711922 mi/h
What is Miles per Hour (mph)?
Miles per hour, abbreviated as mph, is a unit used to measure speed. It tells us how many miles something travels in one hour.
• Example: 25 miles per hour means an object travels 25 miles in one hour.
• Conversion factor: 1 mile = 1.609344 kilometres, so 25 mph ≈ 40.2 km/h.
Current Use:
• Mostly used in the United States and the United Kingdom.
• Some Canadian railroads also use mph, but Canadian road speeds are measured in km/h.
What is Kilometre per Hour (km/h)?
Kilometres per hour, abbreviated as km/h, is a unit of speed that measures how many kilometres something travels in one hour.
• Origin: The term kilometre dates back to 1810. Km/h became the popular speed measurement in the mid-to-late 19th century.
• Current Use: Widely used around the world, especially for road and vehicle speeds.
Conversion Between mph and km/h
The formulas to convert between mph and km/h are simple:
• Miles per hour to kilometres per hour:
1 mi/h=1.609344 km/h
• Kilometres per hour to miles per hour:
1 km/h=0.6213711922 mi/h
Example: Convert 15 mph to km/h: 15 mi/h×1.609344=24.14016 km/h
Miles per Hour to Kilometres per Hour Conversion Table
• 0.01 mi/h → 0.0161 km/h
• 0.1 mi/h → 0.1609 km/h
• 1 mi/h → 1.6093 km/h
• 2 mi/h → 3.2187 km/h
• 3 mi/h → 4.8280 km/h
• 5 mi/h → 8.0467 km/h
• 10 mi/h → 16.0934 km/h
• 20 mi/h → 32.1869 km/h
• 50 mi/h → 80.4672 km/h
• 100 mi/h → 160.9344 km/h
• 1000 mi/h → 1609.344 km/h
