Unit Converter
Conversion formula
The conversion factor from kilometers per hour to feet per second is 0.91134441528215, which means that 1 kilometer per hour is equal to 0.91134441528215 feet per second:
1 km/h = 0.91134441528215 ft/s
To convert 688 kilometers per hour into feet per second we have to multiply 688 by the conversion factor in order to get the velocity amount from kilometers per hour to feet per second. We can also form a simple proportion to calculate the result:
1 km/h → 0.91134441528215 ft/s
688 km/h → V(ft/s)
Solve the above proportion to obtain the velocity V in feet per second:
V(ft/s) = 688 km/h × 0.91134441528215 ft/s
V(ft/s) = 627.00495771412 ft/s
The final result is:
688 km/h → 627.00495771412 ft/s
We conclude that 688 kilometers per hour is equivalent to 627.00495771412 feet per second:
688 kilometers per hour = 627.00495771412 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 0.001594883720929 × 688 kilometers per hour.
Another way is saying that 688 kilometers per hour is equal to 1 ÷ 0.001594883720929 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 eighty-eight kilometers per hour is approximately six hundred twenty-seven point zero zero five feet per second:
688 km/h ≅ 627.005 ft/s
An alternative is also that one foot per second is approximately zero point zero zero two times six hundred eighty-eight kilometers per hour.
Conversion table
kilometers per hour to feet per second chart
For quick reference purposes, below is the conversion table you can use to convert from kilometers per hour to feet per second
kilometers per hour (km/h) | feet per second (ft/s) |
---|---|
689 kilometers per hour | 627.916 feet per second |
690 kilometers per hour | 628.828 feet per second |
691 kilometers per hour | 629.739 feet per second |
692 kilometers per hour | 630.65 feet per second |
693 kilometers per hour | 631.562 feet per second |
694 kilometers per hour | 632.473 feet per second |
695 kilometers per hour | 633.384 feet per second |
696 kilometers per hour | 634.296 feet per second |
697 kilometers per hour | 635.207 feet per second |
698 kilometers per hour | 636.118 feet per second |