Enter a value in km/h or ft/s to convert to the other, with options for related units like m/s, mph, knots, ft/min, in/s, and yd/s.

Km/h to Ft/s Conversion Calculator

Enter exactly 1 value to calculate the other

Km/h to Ft/s Formula

The following formula converts kilometers per hour to feet per second using exact SI/imperial definitions.

\mathrm{ft/s} = 0.911344\,\mathrm{km/h}
  • 1 km = 1000 m
  • 1 ft = 0.3048 m
  • 1 in = 0.0254 m
  • 1 yd = 0.9144 m
  • 1 hour = 3600 seconds
  • 1 mph = 0.44704 m/s (exact)
  • 1 knot = 0.514444 m/s (exact)

Km/h to Ft/s Conversion Table

Km/h to Ft/s
Km/h Ft/s
10.911
54.557
109.113
1513.670
2018.227
3027.340
4036.454
5045.567
6054.681
7063.794
8072.908
9082.021
10091.134
120109.361
140127.588
160145.815
180164.042
200182.269
250227.836
300273.403
* Exact factor: 1 km/h = 0.911344 ft/s.

How do you convert km/h to ft/s? Multiply km/h by 0.911344; equivalently, divide by 3.6 to get m/s and multiply by 3.28084 to get ft/s.

How do you convert ft/s to km/h? Multiply ft/s by 1.09728; equivalently, multiply by 0.3048 to get m/s and then by 3.6 to get km/h.

Example Problem

Convert 90 km/h to ft/s.

Use the formula: ft/s = km/h × 0.911344.

ft/s = 90 × 0.911344 = 82.021 ft/s