Online calculator to convert millimeters per hour to miles per hour (mm/h to mph) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Speed or Velocity units.
Conversion Calculator
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Convert mm/h to mph
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between millimeters per hour and miles per hour.
What is millimeters per hour (mm/h)?
Millimeters per hour is a unit of Speed or Velocity in the Metric System. It measures the number of millimeters traveled in an hour. The symbol for millimeters per hour is mm/h and the International spelling for this unit is millimetres per hour. There are 1,609,344 mm/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 0.0000006214 mph in mm/h.
Conversion 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 mm/h to mph is:
mph = mm/h ÷ 1,609,344
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from millimeters per hour to miles per hour (mm/h to mph).
Millimeters per hour to Miles per hour Conversion Example
Task: Convert 250,000 millimeters per hour to miles per hour (show work) Formula: mm/h ÷ 1,609,344 = mph Calculations: 250,000 mm/h ÷ 1,609,344 = 0.1553427981 mph Result: 250,000 mm/h is equal to 0.1553427981 mph
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from mm/h to mph.
Millimeters per hour to Miles per hour Conversion Chart
millimeters per hour (mm/h) | miles per hour (mph) |
---|---|
1 mm/h | 0.0000006214 mph |
2 mm/h | 0.0000012427 mph |
3 mm/h | 0.0000018641 mph |
4 mm/h | 0.0000024855 mph |
5 mm/h | 0.0000031069 mph |
6 mm/h | 0.0000037282 mph |
7 mm/h | 0.0000043496 mph |
8 mm/h | 0.000004971 mph |
9 mm/h | 0.0000055923 mph |
10 mm/h | 0.0000062137 mph |
20 mm/h | 0.0000124274 mph |
30 mm/h | 0.0000186411 mph |
40 mm/h | 0.0000248548 mph |
50 mm/h | 0.0000310686 mph |
75 mm/h | 0.0000466028 mph |
100 mm/h | 0.0000621371 mph |
250 mm/h | 0.0001553428 mph |
500 mm/h | 0.0003106856 mph |
750 mm/h | 0.0004660284 mph |
1,000 mm/h | 0.0006213712 mph |
2,500 mm/h | 0.001553428 mph |
5,000 mm/h | 0.003106856 mph |
7,500 mm/h | 0.0046602839 mph |
10,000 mm/h | 0.0062137119 mph |
25,000 mm/h | 0.0155342798 mph |
50,000 mm/h | 0.0310685596 mph |
75,000 mm/h | 0.0466028394 mph |
100,000 mm/h | 0.0621371192 mph |
250,000 mm/h | 0.1553427981 mph |
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