Foot/Second to Kilometer/Hour Converter

Speed Converter

18 units available

Decimals:

From

To

1.09728

1 ft/s = 1.09728 km/h

Formula:

km/h = ft/s × 1.09728

With your value: 1 ft/s = 1.09728 km/h

How big is that?

Everyday references on a logarithmic scale, all expressed in foot/second so you can sanity-check the result.

Your value1.00 ft/s

Walking pace (4.6× your value)4.59 ft/s

Cycling (18× your value)18.0 ft/s

Urban speed limit (50 km/h) (46× your value)45.6 ft/s

Cheetah sprint (95× your value)95.1 ft/s

Motorway (110 km/h) (1.0e+2× your value)100 ft/s

Other Foot/Second to Kilometer/Hour conversions

2 ft/s to km/h 3 ft/s to km/h 4 ft/s to km/h 5 ft/s to km/h 6 ft/s to km/h 7 ft/s to km/h 8 ft/s to km/h

Foot/Second to Kilometer/Hour Conversion Table

Foot/Second (ft/s)	Kilometer/Hour (km/h)
0.5	0.54864
1	1.09728
2	2.19456
5	5.4864
10	10.9728
15	16.4592
20	21.9456
25	27.432
50	54.864
100	109.728
250	274.32
500	548.64
1000	1,097.28

Kilometer/Hour to Foot/Second Conversion Table

Kilometer/Hour (km/h)	Foot/Second (ft/s)
0.5	0.455672
1	0.911344
2	1.822689
5	4.556722
10	9.113444
15	13.670166
20	18.226888
25	22.78361
50	45.567221
100	91.134442
250	227.836104
500	455.672208
1000	911.344415

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Foot/Second (ft/s)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Kilometer/Hour (km/h)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Foot/Second to Kilometer/Hour

To convert from Foot/Second (ft/s) to Kilometer/Hour (km/h), multiply the value by 1.09728.

Formula: km/h = ft/s × 1.09728

Reverse: ft/s = km/h × 0.9113444153

Step-by-Step Example

Start with your value in Foot/Second. For example: 5 ft/s
Multiply by the conversion factor: 5 x 1.09728
The result is: 5.4864 km/h

About Foot/Second

The foot/second (ft/s) is a unit of speed and velocity. One foot/second equals 0.3048 metre per seconds. UnitConvertLab converts it against every other speed unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: speed calculations, engineering and science, education.

About Kilometer/Hour

Kilometers per hour is the most widely used unit of speed for vehicles in most countries.

Common uses: speed limits, vehicle speed, weather.

Frequently Asked Questions

How many Kilometer/Hour are in 1 Foot/Second?

There are exactly 1.09728 Kilometer/Hour in 1 Foot/Second. This means the conversion factor from Foot/Second to Kilometer/Hour is 1.09728.

What is the formula to convert Foot/Second to Kilometer/Hour?

The formula to convert Foot/Second to Kilometer/Hour is: km/h = ft/s × 1.09728. For example, to convert 10 Foot/Second to Kilometer/Hour, you would multiply 10 by 1.09728.

What is a Foot/Second?