## 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 520 feet per second into miles per hour we have to multiply 520 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

520 ft/s → V(mph)

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

V(mph) = 520 ft/s × 0.68181818181818 mph

V(mph) = 354.54545454545 mph

The final result is:

520 ft/s → 354.54545454545 mph

We conclude that 520 feet per second is equivalent to 354.54545454545 miles per hour:

520 feet per second = 354.54545454545 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 0.0028205128205128 × 520 feet per second.

Another way is saying that 520 feet per second is equal to 1 ÷ 0.0028205128205128 miles per hour.

## Approximate result

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

520 ft/s ≅ 354.545 mph

An alternative is also that one mile per hour is approximately zero point zero zero three times five hundred twenty 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)
521 feet per second 355.227 miles per hour
522 feet per second 355.909 miles per hour
523 feet per second 356.591 miles per hour
524 feet per second 357.273 miles per hour
525 feet per second 357.955 miles per hour
526 feet per second 358.636 miles per hour
527 feet per second 359.318 miles per hour
528 feet per second 360 miles per hour
529 feet per second 360.682 miles per hour
530 feet per second 361.364 miles per hour