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 28.9 feet per second into kilometers per hour we have to multiply 28.9 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
28.9 ft/s → V(km/h)
Solve the above proportion to obtain the velocity V in kilometers per hour:
V(km/h) = 28.9 ft/s × 1.0972799999991 km/h
V(km/h) = 31.711391999975 km/h
The final result is:
28.9 ft/s → 31.711391999975 km/h
We conclude that 28.9 feet per second is equivalent to 31.711391999975 kilometers per hour:
28.9 feet per second = 31.711391999975 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 0.031534408833292 × 28.9 feet per second.
Another way is saying that 28.9 feet per second is equal to 1 ÷ 0.031534408833292 kilometers per hour.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-eight point nine feet per second is approximately thirty-one point seven one one kilometers per hour:
28.9 ft/s ≅ 31.711 km/h
An alternative is also that one kilometer per hour is approximately zero point zero three two times twenty-eight 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) |
---|---|
29.9 feet per second | 32.809 kilometers per hour |
30.9 feet per second | 33.906 kilometers per hour |
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 |