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Mile per hour to Kilometer per hour

Convert Mile per hour (mph) to Kilometer per hour (km/h)

Please provide values below to convert Mile per hour (mph) to Kilometer per hour (km/h).
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      Updated on September 1, 2025

      About Mile per hour (mph) to Kilometer per hour (km/h) Conversion Calculator

      Written By
      author
      Nadiba Rahman
      Reviewed by
      author
      Mrinmoy Roy
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      You can use our Mile per hour (mph) to Kilometer per hour (km/h) conversion calculator as a reliable and efficient tool to simplify speed conversions. It is designed for professionals, students, and anyone who needs a quick and accurate result. Conversion of Mile per hour (mph) to Kilometer per hour (km/h) is crucial in Road transportation related measurements. You can avoid the risk of manual calculation errors and save valuable time using our Mile per hour (mph) to Kilometer per hour (km/h) converter.

      Relation Between Mile per hour (mph) and Kilometer per hour (km/h)

      Let me explain to you about the relation between Mile per hour mph and Kilometer per hour (km/h) first before moving to the conversion process. Because it’s essential to grasp what these units represent.

      What is Mile per hour (mph)?

      Mile per hour (mph) is a unit of speed representing the distance traveled in miles per hour. Mile per hour (mph) is a unit of speed measurement which is commonly used in Road transportation. Common in the United States and the UK for measuring vehicle speeds. 1 mph equals approximately 1.609 km/h or 0.447 m/s. Widely recognized in everyday transportation and sports..

      What is Kilometer per hour (km/h)?

      Mile per hour (mph) is another unit of speed measurement that is used in Vehicle speed. Kilometer per hour (km/h) is a unit of speed representing the distance traveled in kilometers per hour.. Common in the United States and the UK for measuring vehicle speeds. 1 mph equals approximately 1.609 km/h or 0.447 m/s. Widely recognized in everyday transportation and sports..

      How to Convert Kilometer per hour (km/h)?

      The conversion between Mile per hour (mph) and Kilometer per hour (km/h) follows a simple formula:

      Mile per hour = Mile per hour × 16.09344

      Where, 16.09344 is the value that allows you to convert between Mile per hour (mph) and Kilometer per hour (km/h).

      So,

      1 Kilometer per hour = 16.09344 Mile per hour

      And, 1 Mile per hour = 1/16.09344 Kilometer per hour
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      Examples of Converting Mile per hour (mph) to Kilometer per hour (km/h)

      To convert any value from Mile per hour (mph) to Kilometer per hour (km/h), simply multiply the amount of Mile per hour (mph) by the conversion factor:

      1 Kilometer per hour = 16.09344 Mile per hour

      For example, if you want to convert 5 Mile per hour into Kilometer per hour and the conversion factor is 16.09344, then:

      5 Mile per hour = 5 x 16.09344 Kilometer per hour

      Mile per hour (mph) to Kilometer per hour (km/h) Conversion Chart

      Here’s a quick reference chart for common conversions between Mile per hour (mph) and Kilometer per hour (km/h)
      Mile per hour (mph)Kilometer per hour (km/h)
      2 Mile per hour (mph)32.18688 Kilometer per hour (km/h)
      3 Mile per hour (mph)48.28032 Kilometer per hour (km/h)
      4 Mile per hour (mph)64.37376 Kilometer per hour (km/h)
      5 Mile per hour (mph)80.4672 Kilometer per hour (km/h)
      6 Mile per hour (mph)96.56064 Kilometer per hour (km/h)
      7 Mile per hour (mph)112.65408000000001 Kilometer per hour (km/h)
      8 Mile per hour (mph)128.74752 Kilometer per hour (km/h)
      9 Mile per hour (mph)144.84096 Kilometer per hour (km/h)
      10 Mile per hour (mph)160.9344 Kilometer per hour (km/h)
      11 Mile per hour (mph)177.02784000000003 Kilometer per hour (km/h)
      You can use the above chart for quick and easy reference.

      How 1 Mile per hour (mph) Converts to Other speed Units

      See the relation between Mile per hour (mph) and other speed related measurement units:
      1 Mile per hour(mph)2682.240000 Centimeter per minute (cm/min)
      1 Mile per hour(mph)44.704000 Centimeter per second (cm/s)
      1 Mile per hour(mph)5280.000000 Feet per hour (ft/h)
      1 Mile per hour(mph)88.000000 Feet per minute (ft/min)
      1 Mile per hour(mph)1.466667 Feet per second (ft/s)
      1 Mile per hour(mph)1056.000000 Inch per minute (in/min)
      1 Mile per hour(mph)17.600000 Inch per second (in/s)
      1 Mile per hour(mph)0.000447 Kilometer per second (km/s)
      1 Mile per hour(mph)0.868976 Knots (knots)
      1 Mile per hour(mph)0.001314 Mach number (Mach)
      1 Mile per hour(mph)1609.344000 Meter per hour (m/h)
      1 Mile per hour(mph)26.822400 Meter per minute (m/min)
      1 Mile per hour(mph)0.447040 Meter per second (m/s)
      1 Mile per hour(mph)0.016667 Mile per minute (mi/min)
      1 Mile per hour(mph)0.000278 Mile per second (mi/s)
      1 Mile per hour(mph)20.855430 Nautical mile per day (nmi/day)
      1 Mile per hour(mph)0.868976 Nautical mile per hour (nmi/h)
      1 Mile per hour(mph)1760.000000 Yards per hour (yd/h)
      1 Mile per hour(mph)29.333333 Yards per minute (yd/min)

      Features of Our Mile per hour (mph) to Kilometer per hour (km/h) Conversion Calculator

      Our Mile per hour mph to Kilometer per hour (km/h) converter is more than just a basic converter. Here's what makes it stand out:

      Output Precision Control

      You can control how precise your conversion results are. From settings, you can adjust decimal places from 0 to 12 places.

      Customizable Rounding Options

      You can control the output rounding options based on your necessity. You can turn the rounding mode on or off, and select between Ceiling or Floor rounding to match your needs.

      Multiple Number Formats

      Display your results the way you want:
      1. Standard format (e.g. 12.345245)
      2. Scientific notation (e.g. 1.23452e+1)
      3. Engineering format (e.g. 1.23452 × 10^1)

      Integrated Scientific Calculator

      We know you need to switch between a unit converter and a general calculator back and forth. To minimize your hassle, our Mile per hour mph to Kilometer per hour (km/h) converter comes up with an integrated scientific calculator.

      Conversion History Tracking

      You can always review your past speed conversions and go to them whenever you like. It stores your most recent 10 unit conversions.

      Thousand Separators Toggle

      Our Mile per hour mph to Kilometer per hour (km/h) converter improves the output readability by toggling the thousand separators “On”. It’s useful when you work with large numbers.

      Conclusion

      Now, you understand how to convert Mile per hour mph to Kilometer per hour (km/h) manually. But you can bypass the manual calculation using our speed conversion calculator. This allows you to get faster and accurate results in Kilometer per hour (km/h), which you can use in Road transportation related measurements. With the help of our integrated scientific calculator, calculation history tracking, and precision control, our Mile per hour mph to Kilometer per hour (km/h) converter is your swiss army knife for daily calculations.
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