Convert Km/h To Mph - Speed / Velocity Conversions - CheckYourMath

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heading image Convert km/h to mph - Speed / Velocity Conversions

Online calculator to convert kilometers per hour to miles per hour (km/h to mph) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Speed or Velocity units.

caretConversion Calculator

Enter your value in the conversion calculator below.

Convert km/h to mph

km/h mph 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Decimals CalculatorCalculate mph Swap UnitsSwap

TIP: If the result of your conversion is 0, try increasing the "Decimals".

How to convert km/h to mph: Enter a value in the km/h field and click on the "Calculate mph" button. Your answer will appear in the mph field.

caretConversion Definitions

The following is a list of definitions relating to conversions between kilometers per hour and miles per hour.

What is kilometers per hour (km/h)?

Kilometers per hour is a unit of Speed or Velocity in the Metric System. It measures the number of kilometers traveled in an hour. The symbol for kilometers per hour is km/h and the International spelling for this unit is kilometres per hour. There are 1.609344 km/h in mph.

What is miles per hour (mph)?

Miles per hour is a unit of Speed or Velocity in both US Customary Units as well as the Imperial System. It measures the number of miles traveled in an hour. The symbol for miles per hour is mph. There are 0.6213711922 mph in km/h.

caretConversion Formula

Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

The formula to convert from km/h to mph is:

mph = km/h ÷ 1.609344

caretConversion Example

Next, let's look at an example showing the work and calculations that are involved in converting from kilometers per hour to miles per hour (km/h to mph).

Kilometers per hour to Miles per hour Conversion Example

Task: Convert 2,500 kilometers per hour to miles per hour (show work) Formula: km/h ÷ 1.609344 = mph Calculations: 2,500 km/h ÷ 1.609344 = 1,553.4279805933 mph Result: 2,500 km/h is equal to 1,553.4279805933 mph

caretConversion Table

For quick reference purposes, below is a conversion table that you can use to convert from km/h to mph.

Kilometers per hour to Miles per hour Conversion Chart

kilometers per hour (km/h) miles per hour (mph)
1 km/h0.6213711922 mph
2 km/h1.2427423845 mph
3 km/h1.8641135767 mph
4 km/h2.4854847689 mph
5 km/h3.1068559612 mph
6 km/h3.7282271534 mph
7 km/h4.3495983457 mph
8 km/h4.9709695379 mph
9 km/h5.5923407301 mph
10 km/h6.2137119224 mph
20 km/h12.4274238447 mph
30 km/h18.6411357671 mph
40 km/h24.8548476895 mph
50 km/h31.0685596119 mph
75 km/h46.6028394178 mph
100 km/h62.1371192237 mph
250 km/h155.3427980593 mph
500 km/h310.6855961187 mph
750 km/h466.028394178 mph
1,000 km/h621.3711922373 mph
2,500 km/h1,553.4279805933 mph
5,000 km/h3,106.8559611867 mph
7,500 km/h4,660.28394178 mph
10,000 km/h6,213.7119223733 mph
25,000 km/h15,534.2798059333 mph
50,000 km/h31,068.5596118667 mph
75,000 km/h46,602.8394178 mph
100,000 km/h62,137.1192237334 mph
250,000 km/h155,342.7980593335 mph

caretRelated Units

The following tables provide a summary of the Speed or Velocity units (Per Hour, Per Minute, Per Second and Per Millisecond) within their respective measurement systems.

Per Hour

Unit Symbol Measurement System Description
inches per hour in/h US Customary Units/Imperial System 36 in/h = 1 yd/h
feet per hour ft/h US Customary Units/Imperial System 1 ft/h = 12 in/h
yards per hour yd/h US Customary Units/Imperial System 1 yd/h = 3 ft/h
miles per hour mph US Customary Units/Imperial System 1 mph = 5280 ft/h
millimeters per hour mm/h Metric System 1 m/h = 1000 mm/h
centimeters per hour cm/h Metric System 1 m/h = 100 cm/h
decimeters per hour dm/h Metric System 1 m/h = 10 dm/h
meters per hour m/h Metric System base unit
kilometers per hour km/h Metric System 1 km/h = 1000 m/h
knot kn Non-SI (International) 1 knot = 1.15078 mph

Per Minute

Unit Symbol Measurement System Description
inches per minute in/m US Customary Units/Imperial System 36 in/m = 1 yd/m
feet per minute ft/m US Customary Units/Imperial System 1 ft/m = 12 in/m
yards per minute yd/m US Customary Units/Imperial System 1 yd/m = 3 ft/m
miles per minute mi/m US Customary Units/Imperial System 1 mi/m = 5280 ft/m
millimeters per minute mm/m Metric System 1 m/m = 1000 mm/m
centimeters per minute cm/m Metric System 1 m/m = 100 cm/m
decimeters per minute dm/m Metric System 1 m/m = 10 dm/m
meters per minute m/m Metric System base unit
kilometers per minute km/m Metric System 1 km/m = 1000 m/m

Per Second

Unit Symbol Measurement System Description
inches per second in/s US Customary Units/Imperial System 36 in/s = 1 yd/s
feet per second ft/s US Customary Units/Imperial System 1 ft/s = 12 in/s
yards per second yd/s US Customary Units/Imperial System 1 yd/s = 3 ft/s
miles per second mi/s US Customary Units/Imperial System 1 mi/s = 5280 ft/s
millimeters per second mm/s Metric System 1 m/s = 1000 mm/s
centimeters per second cm/s Metric System 1 m/s = 100 cm/s
decimeters per second dm/s Metric System 1 m/s = 10 dm/s
meters per second m/s Metric System base unit
kilometers per second km/s Metric System 1 km/s = 1000 m/s

Per Millisecond

Unit Symbol Measurement System Description
millimeters per millisecond mm/ms Metric System 1 m/ms = 1000 mm/ms
centimeters per millisecond cm/ms Metric System 1 m/ms = 100 cm/ms
decimeters per millisecond dm/ms Metric System 1 m/ms = 10 dm/ms
meters per millisecond m/ms Metric System base unit
kilometers per millisecond km/ms Metric System 1 km/ms = 1000 m/ms

Note: For Speed or Velocity conversions, US Customary Units and the Imperial System are equivalent.

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Type --Please select-- Angle Area Color Data Rates Digital Storage Energy Frequency Fuel Economy Length / Distance Power / Electricity Pressure Speed / Velocity Temperature Time Volume Weight / Mass From --Please select-- Centimeters per hour Centimeters per millisecond Centimeters per minute Centimeters per second Decimeters per hour Decimeters per millisecond Decimeters per minute Decimeters per second Feet per hour Feet per minute Feet per second Inches per hour Inches per minute Inches per second Kilometers per hour Kilometers per microsecond Kilometers per millisecond Kilometers per minute Kilometers per second Knot Meters per hour Meters per millisecond Meters per minute Meters per second Miles per hour Miles per minute Miles per second Millimeters per hour Millimeters per millisecond Millimeters per minute Millimeters per second Yards per hour Yards per minute Yards per second To --Please select-- Centimeters per hour Centimeters per millisecond Centimeters per second Decimeters per hour Decimeters per millisecond Decimeters per second Feet per hour Feet per second Inches per hour Kilometers per millisecond Meters per hour Meters per millisecond Meters per second Miles per hour Millimeters per hour Millimeters per millisecond Millimeters per second Yards per hour Go to Conversion Share on:

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