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Convert mm/s to km/s

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caretConversion Definitions

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 1,000,000 mm/s in km/s.

What is kilometers per second (km/s)?

Kilometers per second is a unit of Speed or Velocity in the Metric System. It measures the number of kilometers traveled in a second. The symbol for kilometers per second is km/s and the International spelling for this unit is kilometres per second. There are 0.000001 km/s in mm/s.

caretConversion Formula

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

km/s = mm/s ÷ 1,000,000

caretConversion Example

Millimeters per second to Kilometers per second Conversion Example

Task: Convert 250,000 millimeters per second to kilometers per second (show work)

Formula:
mm/s ÷ 1,000,000 = km/s

Calculations:
250,000 mm/s ÷ 1,000,000 = 0.25 km/s

Result:
250,000 mm/s is equal to 0.25 km/s

caretConversion Table

Millimeters per second to Kilometers per second Conversion Chart

millimeters per second (mm/s) kilometers per second (km/s)
1 mm/s0.000001 km/s
2 mm/s0.000002 km/s
3 mm/s0.000003 km/s
4 mm/s0.000004 km/s
5 mm/s0.000005 km/s
6 mm/s0.000006 km/s
7 mm/s0.000007 km/s
8 mm/s0.000008 km/s
9 mm/s0.000009 km/s
10 mm/s0.00001 km/s
20 mm/s0.00002 km/s
30 mm/s0.00003 km/s
40 mm/s0.00004 km/s
50 mm/s0.00005 km/s
75 mm/s0.000075 km/s
100 mm/s0.0001 km/s
250 mm/s0.00025 km/s
500 mm/s0.0005 km/s
750 mm/s0.00075 km/s
1,000 mm/s0.001 km/s
2,500 mm/s0.0025 km/s
5,000 mm/s0.005 km/s
7,500 mm/s0.0075 km/s
10,000 mm/s0.01 km/s
25,000 mm/s0.025 km/s
50,000 mm/s0.05 km/s
75,000 mm/s0.075 km/s
100,000 mm/s0.1 km/s
250,000 mm/s0.25 km/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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