Unit Converter
Conversion formula
The conversion factor from miles per hour to feet per second is 1.4666666666667, which means that 1 mile per hour is equal to 1.4666666666667 feet per second:
1 mph = 1.4666666666667 ft/s
To convert 668 miles per hour into feet per second we have to multiply 668 by the conversion factor in order to get the velocity amount from miles per hour to feet per second. We can also form a simple proportion to calculate the result:
1 mph → 1.4666666666667 ft/s
668 mph → V(ft/s)
Solve the above proportion to obtain the velocity V in feet per second:
V(ft/s) = 668 mph × 1.4666666666667 ft/s
V(ft/s) = 979.73333333333 ft/s
The final result is:
668 mph → 979.73333333333 ft/s
We conclude that 668 miles per hour is equivalent to 979.73333333333 feet per second:
668 miles per hour = 979.73333333333 feet per second
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot per second is equal to 0.0010206859009254 × 668 miles per hour.
Another way is saying that 668 miles per hour is equal to 1 ÷ 0.0010206859009254 feet per second.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred sixty-eight miles per hour is approximately nine hundred seventy-nine point seven three three feet per second:
668 mph ≅ 979.733 ft/s
An alternative is also that one foot per second is approximately zero point zero zero one times six hundred sixty-eight miles per hour.
Conversion table
miles per hour to feet per second chart
For quick reference purposes, below is the conversion table you can use to convert from miles per hour to feet per second
miles per hour (mph) | feet per second (ft/s) |
---|---|
669 miles per hour | 981.2 feet per second |
670 miles per hour | 982.667 feet per second |
671 miles per hour | 984.133 feet per second |
672 miles per hour | 985.6 feet per second |
673 miles per hour | 987.067 feet per second |
674 miles per hour | 988.533 feet per second |
675 miles per hour | 990 feet per second |
676 miles per hour | 991.467 feet per second |
677 miles per hour | 992.933 feet per second |
678 miles per hour | 994.4 feet per second |