## 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 584 feet per second into miles per hour we have to multiply 584 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

584 ft/s → V(mph)

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

V(mph) = 584 ft/s × 0.68181818181818 mph

V(mph) = 398.18181818182 mph

The final result is:

584 ft/s → 398.18181818182 mph

We conclude that 584 feet per second is equivalent to 398.18181818182 miles per hour:

584 feet per second = 398.18181818182 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 0.0025114155251142 × 584 feet per second.

Another way is saying that 584 feet per second is equal to 1 ÷ 0.0025114155251142 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 eighty-four feet per second is approximately three hundred ninety-eight point one eight two miles per hour:

584 ft/s ≅ 398.182 mph

An alternative is also that one mile per hour is approximately zero point zero zero three times five hundred eighty-four 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)
585 feet per second 398.864 miles per hour
586 feet per second 399.545 miles per hour
587 feet per second 400.227 miles per hour
588 feet per second 400.909 miles per hour
589 feet per second 401.591 miles per hour
590 feet per second 402.273 miles per hour
591 feet per second 402.955 miles per hour
592 feet per second 403.636 miles per hour
593 feet per second 404.318 miles per hour
594 feet per second 405 miles per hour