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Convert mph to mm/s

mph
mm/s
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caretConversion Definitions

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 0.0022369363 mph in mm/s.

What is millimeters per second (mm/s)?

Millimeters per second is a unit of Speed or Velocity in the Metric System. It measures the number of millimeters traveled in a second. The symbol for millimeters per second is mm/s and the International spelling for this unit is millimetres per second. There are 447.04 mm/s in mph.

caretConversion Formula

The formula to convert from mph to mm/s is:

mm/s = mph x 447.04

caretConversion Example

Miles per hour to Millimeters per second Conversion Example

Task: Convert 250 miles per hour to millimeters per second (show work)

Formula:
mph x 447.04 = mm/s

Calculations:
250 mph x 447.04 = 111,760 mm/s

Result:
250 mph is equal to 111,760 mm/s

caretConversion Table

Miles per hour to Millimeters per second Conversion Chart

miles per hour (mph) millimeters per second (mm/s)
1 mph447.04 mm/s
2 mph894.08 mm/s
3 mph1,341.12 mm/s
4 mph1,788.16 mm/s
5 mph2,235.2 mm/s
6 mph2,682.24 mm/s
7 mph3,129.28 mm/s
8 mph3,576.32 mm/s
9 mph4,023.36 mm/s
10 mph4,470.4 mm/s
20 mph8,940.8 mm/s
30 mph13,411.2 mm/s
40 mph17,881.6 mm/s
50 mph22,352 mm/s
75 mph33,528 mm/s
100 mph44,704 mm/s
250 mph111,760 mm/s
500 mph223,520 mm/s
750 mph335,280 mm/s
1,000 mph447,040 mm/s
2,500 mph1,117,600 mm/s
5,000 mph2,235,200 mm/s
7,500 mph3,352,800 mm/s
10,000 mph4,470,400 mm/s
25,000 mph11,176,000 mm/s
50,000 mph22,352,000 mm/s
75,000 mph33,528,000 mm/s
100,000 mph44,704,000 mm/s
250,000 mph111,760,000 mm/s

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
inches per hour in/h
feet per hour ft/h
yards per hour yd/h
miles per hour mph
millimeters per hour mm/h
centimeters per hour cm/h
decimeters per hour dm/h
meters per hour m/h
kilometers per hour km/h
knot kn

Per Minute

Unit Symbol
inches per minute in/m
feet per minute ft/m
yards per minute yd/m
miles per minute mi/m
millimeters per minute mm/m
centimeters per minute cm/m
decimeters per minute dm/m
meters per minute m/m
kilometers per minute km/m

Per Second

Unit Symbol
inches per second in/s
feet per second ft/s
yards per second yd/s
miles per second mi/s
millimeters per second mm/s
centimeters per second cm/s
decimeters per second dm/s
meters per second m/s
kilometers per second km/s

Per Millisecond

Unit Symbol
millimeters per millisecond mm/ms
centimeters per millisecond cm/ms
decimeters per millisecond dm/ms
meters per millisecond m/ms
kilometers per millisecond km/ms

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

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