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 680 feet per second into miles per hour we have to multiply 680 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
680 ft/s → V(mph)
Solve the above proportion to obtain the velocity V in miles per hour:
V(mph) = 680 ft/s × 0.68181818181818 mph
V(mph) = 463.63636363636 mph
The final result is:
680 ft/s → 463.63636363636 mph
We conclude that 680 feet per second is equivalent to 463.63636363636 miles per hour:
680 feet per second = 463.63636363636 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 0.002156862745098 × 680 feet per second.
Another way is saying that 680 feet per second is equal to 1 ÷ 0.002156862745098 miles per hour.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty feet per second is approximately four hundred sixty-three point six three six miles per hour:
680 ft/s ≅ 463.636 mph
An alternative is also that one mile per hour is approximately zero point zero zero two times six hundred eighty 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) |
---|---|
681 feet per second | 464.318 miles per hour |
682 feet per second | 465 miles per hour |
683 feet per second | 465.682 miles per hour |
684 feet per second | 466.364 miles per hour |
685 feet per second | 467.045 miles per hour |
686 feet per second | 467.727 miles per hour |
687 feet per second | 468.409 miles per hour |
688 feet per second | 469.091 miles per hour |
689 feet per second | 469.773 miles per hour |
690 feet per second | 470.455 miles per hour |