Unit Converter
Conversion formula
The conversion factor from feet per second to kilometers per hour is 1.0972799999991, which means that 1 foot per second is equal to 1.0972799999991 kilometers per hour:
1 ft/s = 1.0972799999991 km/h
To convert 30.9 feet per second into kilometers per hour we have to multiply 30.9 by the conversion factor in order to get the velocity amount from feet per second to kilometers per hour. We can also form a simple proportion to calculate the result:
1 ft/s → 1.0972799999991 km/h
30.9 ft/s → V(km/h)
Solve the above proportion to obtain the velocity V in kilometers per hour:
V(km/h) = 30.9 ft/s × 1.0972799999991 km/h
V(km/h) = 33.905951999973 km/h
The final result is:
30.9 ft/s → 33.905951999973 km/h
We conclude that 30.9 feet per second is equivalent to 33.905951999973 kilometers per hour:
30.9 feet per second = 33.905951999973 kilometers per hour
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer per hour is equal to 0.029493346772885 × 30.9 feet per second.
Another way is saying that 30.9 feet per second is equal to 1 ÷ 0.029493346772885 kilometers per hour.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that thirty point nine feet per second is approximately thirty-three point nine zero six kilometers per hour:
30.9 ft/s ≅ 33.906 km/h
An alternative is also that one kilometer per hour is approximately zero point zero two nine times thirty point nine feet per second.
Conversion table
feet per second to kilometers per hour chart
For quick reference purposes, below is the conversion table you can use to convert from feet per second to kilometers per hour
feet per second (ft/s) | kilometers per hour (km/h) |
---|---|
31.9 feet per second | 35.003 kilometers per hour |
32.9 feet per second | 36.101 kilometers per hour |
33.9 feet per second | 37.198 kilometers per hour |
34.9 feet per second | 38.295 kilometers per hour |
35.9 feet per second | 39.392 kilometers per hour |
36.9 feet per second | 40.49 kilometers per hour |
37.9 feet per second | 41.587 kilometers per hour |
38.9 feet per second | 42.684 kilometers per hour |
39.9 feet per second | 43.781 kilometers per hour |
40.9 feet per second | 44.879 kilometers per hour |