Kilometers per hour to feet per second converter
Convert kilometers per hour to feet per second with an editable calculator, worked example, formula and reference table. Check the unit definitions before you convert.
Updated · How we checkUse a decimal point, such as 2.5. Enter a value in km/h; the result is in ft/s.
Formula
Worked example
Convert 100 km/h to ft/s:
100 km/h ≈ 91.13444153 ft/s
Multiply your km/h value by the factor above. The calculator uses the full conversion factor before rounding the displayed answer.
Kilometers per hour to feet per second table
Reference values rounded to 10 significant digits. Use the converter above for other amounts.
| Kilometers per hour (km/h) | Feet per second (ft/s) |
|---|---|
| 0.1 | ≈ 0.09113444153 |
| 0.5 | ≈ 0.4556722076 |
| 1 | ≈ 0.9113444153 |
| 2 | ≈ 1.822688831 |
| 5 | ≈ 4.556722076 |
| 10 | ≈ 9.113444153 |
| 25 | ≈ 22.78361038 |
| 50 | ≈ 45.56722076 |
| 100 | ≈ 91.13444153 |
| 1000 | ≈ 911.3444153 |
Understanding kilometers per hour
Kilometers per hour measures distance per hour. Divide km/h by 3.6 to obtain m/s. An average trip speed includes stops if the total travel time includes them.
Understanding feet per second
One international foot per second equals 0.3048 meters per second. Feet per second is a speed unit; feet per second squared is an acceleration unit.
Precision and rounding
The calculator keeps decimal precision during the conversion. Displayed values use up to 10 significant digits; an approximation sign marks the reference results. Keep extra digits until your final measurement or purchase decision.
References
Definitions and method references. Example rates and prices on this page are editable assumptions.