Miles per hour to kilometers per hour converter
Online calculator to convert miles per hour to lớn kilometers per hour (mph to lớn km/h) with formulas, examples, và tables. Our conversions provide a quick and easy way khổng lồ convert between speed or Velocity units.
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Conversion Calculator
Calculate km/hSwap
How to lớn convert mph to lớn km/h: Enter a value in the mph field and click on the "Calculate km/h" button. Your answer will appear in the km/h field.
Conversion Definitions
The following is a menu of definitions relating to lớn conversions between miles per hour and kilometers per hour.
What is miles per hour (mph)?
Miles per hour is a unit of tốc độ 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.
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 và the International spelling for this unit is kilometres per hour. There are 1.609344 km/h in mph.
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Conversion Formula
Let"s take a closer look at the conversion formula so that you can vì these conversions yourself with a calculator or with an old-fashioned pencil và paper.
The formula khổng lồ convert from mph lớn km/h is:
km/h = mph x 1.609344
Conversion Example
Next, let"s look at an example showing the work & calculations that are involved in converting from miles per hour lớn kilometers per hour (mph to km/h).
Miles per hour to lớn Kilometers per hour Conversion Example
Task: Convert 75 miles per hour lớn kilometers per hour (show work)Formula:mph x 1.609344 = km/hCalculations:75 mph x 1.609344 = 120.7008 km/hResult:75 mph is equal to 120.7008 km/h
For quick reference purposes, below is a conversion table that you can use lớn convert from mph to km/h.
Miles per hour to lớn Kilometers per hour Conversion Chart
1 mph | 1.609344 km/h |
2 mph | 3.218688 km/h |
3 mph | 4.828032 km/h |
4 mph | 6.437376 km/h |
5 mph | 8.04672 km/h |
6 mph | 9.656064 km/h |
7 mph | 11.265408 km/h |
8 mph | 12.874752 km/h |
9 mph | 14.484096 km/h |
10 mph | 16.09344 km/h |
20 mph | 32.18688 km/h |
30 mph | 48.28032 km/h |
40 mph | 64.37376 km/h |
50 mph | 80.4672 km/h |
75 mph | 120.7008 km/h |
100 mph | 160.9344 km/h |
250 mph | 402.336 km/h |
500 mph | 804.672 km/h |
750 mph | 1,207.008 km/h |
1,000 mph | 1,609.344 km/h |
2,500 mph | 4,023.36 km/h |
5,000 mph | 8,046.72 km/h |
7,500 mph | 12,070.08 km/h |
10,000 mph | 16,093.44 km/h |
25,000 mph | 40,233.6 km/h |
50,000 mph | 80,467.2 km/h |
75,000 mph | 120,700.8 km/h |
100,000 mph | 160,934.4 km/h |
250,000 mph | 402,336 km/h |
The following tables provide a summary of the tốc độ or Velocity units (Per Hour, Per Minute, Per Second and Per Millisecond) within their respective measurement systems.
Per Hour
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
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
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
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 tốc độ or Velocity conversions, US Customary Units và the Imperial System are equivalent.
Type--Please select--AngleAreaColorData RatesDigital StorageEnergyFrequencyFuel EconomyLength / DistancePower / ElectricityPressureSpeed / VelocityTemperatureTimeVolumeWeight / Mass
From--Please select--Centimeters per hourCentimeters per millisecondCentimeters per minuteCentimeters per secondDecimeters per hourDecimeters per millisecondDecimeters per minuteDecimeters per secondFeet per hourFeet per minuteFeet per secondInches per hourInches per minuteInches per secondKilometers per hourKilometers per microsecondKilometers per millisecondKilometers per minuteKilometers per secondKnotMeters per hourMeters per millisecondMeters per minuteMeters per secondMiles per hourMiles per minuteMiles per secondMillimeters per hourMillimeters per millisecondMillimeters per minuteMillimeters per secondYards per hourYards per minuteYards per second
To--Please select--Centimeters per hourCentimeters per secondDecimeters per hourDecimeters per secondFeet per hourFeet per secondInches per hourKilometers per hourKilometers per secondKnotMeters per hourMeters per secondMiles per minuteMillimeters per hourMillimeters per secondYards per hour