## Conversion formula

The conversion factor from meters per second to miles per hour is 2.2369362920544, which means that 1 meter per second is equal to 2.2369362920544 miles per hour:

1 m/s = 2.2369362920544 mph

To convert 138 meters per second into miles per hour we have to multiply 138 by the conversion factor in order to get the velocity amount from meters per second to miles per hour. We can also form a simple proportion to calculate the result:

1 m/s → 2.2369362920544 mph

138 m/s → V(mph)

Solve the above proportion to obtain the velocity V in miles per hour:

V(mph) = 138 m/s × 2.2369362920544 mph

V(mph) = 308.69720830351 mph

The final result is:

138 m/s → 308.69720830351 mph

We conclude that 138 meters per second is equivalent to 308.69720830351 miles per hour:

138 meters per second = 308.69720830351 miles per hour

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile per hour is equal to 0.0032394202898551 × 138 meters per second.

Another way is saying that 138 meters per second is equal to 1 ÷ 0.0032394202898551 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred thirty-eight meters per second is approximately three hundred eight point six nine seven miles per hour:

138 m/s ≅ 308.697 mph

An alternative is also that one mile per hour is approximately zero point zero zero three times one hundred thirty-eight meters per second.

## Conversion table

### meters per second to miles per hour chart

For quick reference purposes, below is the conversion table you can use to convert from meters per second to miles per hour

meters per second (m/s) miles per hour (mph)
139 meters per second 310.934 miles per hour
140 meters per second 313.171 miles per hour
141 meters per second 315.408 miles per hour
142 meters per second 317.645 miles per hour
143 meters per second 319.882 miles per hour
144 meters per second 322.119 miles per hour
145 meters per second 324.356 miles per hour
146 meters per second 326.593 miles per hour
147 meters per second 328.83 miles per hour
148 meters per second 331.067 miles per hour