Unit Converter
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 521 feet per second into miles per hour we have to multiply 521 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
521 ft/s → V(mph)
Solve the above proportion to obtain the velocity V in miles per hour:
V(mph) = 521 ft/s × 0.68181818181818 mph
V(mph) = 355.22727272727 mph
The final result is:
521 ft/s → 355.22727272727 mph
We conclude that 521 feet per second is equivalent to 355.22727272727 miles per hour:
521 feet per second = 355.22727272727 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 0.0028150991682662 × 521 feet per second.
Another way is saying that 521 feet per second is equal to 1 ÷ 0.0028150991682662 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-one feet per second is approximately three hundred fifty-five point two two seven miles per hour:
521 ft/s ≅ 355.227 mph
An alternative is also that one mile per hour is approximately zero point zero zero three times five hundred twenty-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) |
---|---|
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 |
531 feet per second | 362.045 miles per hour |