## 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 316 feet per second into miles per hour we have to multiply 316 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

316 ft/s → V(mph)

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

V(mph) = 316 ft/s × 0.68181818181818 mph

V(mph) = 215.45454545455 mph

The final result is:

316 ft/s → 215.45454545455 mph

We conclude that 316 feet per second is equivalent to 215.45454545455 miles per hour:

316 feet per second = 215.45454545455 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 0.0046413502109705 × 316 feet per second.

Another way is saying that 316 feet per second is equal to 1 ÷ 0.0046413502109705 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred sixteen feet per second is approximately two hundred fifteen point four five five miles per hour:

316 ft/s ≅ 215.455 mph

An alternative is also that one mile per hour is approximately zero point zero zero five times three hundred sixteen 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)
317 feet per second 216.136 miles per hour
318 feet per second 216.818 miles per hour
319 feet per second 217.5 miles per hour
320 feet per second 218.182 miles per hour
321 feet per second 218.864 miles per hour
322 feet per second 219.545 miles per hour
323 feet per second 220.227 miles per hour
324 feet per second 220.909 miles per hour
325 feet per second 221.591 miles per hour
326 feet per second 222.273 miles per hour