## Conversion formula

The conversion factor from feet per second to miles per hour is 0.68181818181818, which means that 1 foot per second is equal to 0.68181818181818 miles per hour:

1 ft/s = 0.68181818181818 mph

To convert 231 feet per second into miles per hour we have to multiply 231 by the conversion factor in order to get the velocity amount from feet per second to miles per hour. We can also form a simple proportion to calculate the result:

1 ft/s → 0.68181818181818 mph

231 ft/s → V(mph)

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

V(mph) = 231 ft/s × 0.68181818181818 mph

V(mph) = 157.5 mph

The final result is:

231 ft/s → 157.5 mph

We conclude that 231 feet per second is equivalent to 157.5 miles per hour:

231 feet per second = 157.5 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 0.0063492063492063 × 231 feet per second.

Another way is saying that 231 feet per second is equal to 1 ÷ 0.0063492063492063 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that two hundred thirty-one feet per second is approximately one hundred fifty-seven point five miles per hour:

231 ft/s ≅ 157.5 mph

An alternative is also that one mile per hour is approximately zero point zero zero six times two hundred thirty-one feet per second.

## Conversion table

### feet per second to miles per hour chart

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

feet per second (ft/s) miles per hour (mph)
232 feet per second 158.182 miles per hour
233 feet per second 158.864 miles per hour
234 feet per second 159.545 miles per hour
235 feet per second 160.227 miles per hour
236 feet per second 160.909 miles per hour
237 feet per second 161.591 miles per hour
238 feet per second 162.273 miles per hour
239 feet per second 162.955 miles per hour
240 feet per second 163.636 miles per hour
241 feet per second 164.318 miles per hour