# Convert mi/s to km/s, km/s to mi/s - Speed Conversion

## Conversion Calculators

mi/s
km/s
Decimals

### Convert km/s to mi/s

km/s
mi/s
Decimals

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

## Conversion Definitions

### What are miles per second (mi/s)?

Miles per second is a unit of speed in both US Customary Units as well as the Imperial System. It measures the number of miles traveled in a second. The symbol for miles per second is mi/s. There are 0.6213711922 mi/s in km/s.

### What are kilometers per second (km/s)?

Kilometers per second is a unit of speed 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 is kilometres per second. There are 1.609344 km/s in mi/s.

## Conversion Formulas

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

`km/s = mi/s x 1.609344`

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

`mi/s = km/s ÷ 1.609344`

## Conversion Examples

### Miles per second to Kilometers per second Conversion Example

```Task: Convert 75 miles per second to kilometers per second (show work)
Formula:
mi/s x 1.609344 = km/s
Calculations:
75 mi/s x 1.609344 = 120.7008 km/s
Result:
75 mi/s is equal to 120.7008 km/s```

### Kilometers per second to Miles per second Conversion Example

```Task: Convert 2,500 kilometers per second to miles per second (show work)
Formula:
km/s ÷ 1.609344 = mi/s
Calculations:
2,500 km/s ÷ 1.609344 = 1,553.4279805933 mi/s
Result:
2,500 km/s is equal to 1,553.4279805933 mi/s```

## Conversion Tables

### Miles per second to Kilometers per second Conversion Chart

miles per second (mi/s) kilometers per second (km/s)
1 mi/s1.609344 km/s
2 mi/s3.218688 km/s
3 mi/s4.828032 km/s
4 mi/s6.437376 km/s
5 mi/s8.04672 km/s
6 mi/s9.656064 km/s
7 mi/s11.265408 km/s
8 mi/s12.874752 km/s
9 mi/s14.484096 km/s
10 mi/s16.09344 km/s
20 mi/s32.18688 km/s
30 mi/s48.28032 km/s
40 mi/s64.37376 km/s
50 mi/s80.4672 km/s
75 mi/s120.7008 km/s
100 mi/s160.9344 km/s
250 mi/s402.336 km/s
500 mi/s804.672 km/s
750 mi/s1,207.008 km/s
1,000 mi/s1,609.344 km/s
2,500 mi/s4,023.36 km/s
5,000 mi/s8,046.72 km/s
7,500 mi/s12,070.08 km/s
10,000 mi/s16,093.44 km/s
25,000 mi/s40,233.6 km/s
50,000 mi/s80,467.2 km/s
75,000 mi/s120,700.8 km/s
100,000 mi/s160,934.4 km/s
250,000 mi/s402,336 km/s

### Kilometers per second to Miles per second Conversion Chart

kilometers per second (km/s) miles per second (mi/s)
1 km/s0.6213711922 mi/s
2 km/s1.2427423845 mi/s
3 km/s1.8641135767 mi/s
4 km/s2.4854847689 mi/s
5 km/s3.1068559612 mi/s
6 km/s3.7282271534 mi/s
7 km/s4.3495983457 mi/s
8 km/s4.9709695379 mi/s
9 km/s5.5923407301 mi/s
10 km/s6.2137119224 mi/s
20 km/s12.4274238447 mi/s
30 km/s18.6411357671 mi/s
40 km/s24.8548476895 mi/s
50 km/s31.0685596119 mi/s
75 km/s46.6028394178 mi/s
100 km/s62.1371192237 mi/s
250 km/s155.3427980593 mi/s
500 km/s310.6855961187 mi/s
750 km/s466.028394178 mi/s
1,000 km/s621.3711922373 mi/s
2,500 km/s1,553.4279805933 mi/s
5,000 km/s3,106.8559611867 mi/s
7,500 km/s4,660.28394178 mi/s
10,000 km/s6,213.7119223733 mi/s
25,000 km/s15,534.2798059333 mi/s
50,000 km/s31,068.5596118667 mi/s
75,000 km/s46,602.8394178 mi/s
100,000 km/s62,137.1192237334 mi/s
250,000 km/s155,342.7980593335 mi/s

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