Foot per second to Kilometer per hour Converter
Type a value — the answer appears instantly. 1 ft/s = 1.09728 km/h.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
1.09728 kilometers per hour
= 0.681818 mph= 0.3048 m/s
equals 1.09728 kilometers per hourFormula: km/h = ft/s × 1.09728
Foot per second to Kilometer per hour formula
km/h = ft/s × 1.09728
Convert 5 feet per second to kilometers per hour
- Start with 5 feet per second.
- Multiply by the conversion factor: 5 × 1.09728 = 5.4864.
- So 5 ft/s = 5.4864 km/h.
Foot per second to Kilometer per hour conversion table
| Feet per second (ft/s) | Kilometers per hour (km/h) |
|---|---|
| 0.01 ft/s | 0.0109728 km/h |
| 0.1 ft/s | 0.109728 km/h |
| 0.25 ft/s | 0.27432 km/h |
| 0.5 ft/s | 0.54864 km/h |
| 1 ft/s | 1.09728 km/h |
| 2 ft/s | 2.19456 km/h |
| 3 ft/s | 3.29184 km/h |
| 4 ft/s | 4.38912 km/h |
| 5 ft/s | 5.4864 km/h |
| 6 ft/s | 6.58368 km/h |
| 7 ft/s | 7.68096 km/h |
| 8 ft/s | 8.77824 km/h |
| 9 ft/s | 9.87552 km/h |
| 10 ft/s | 10.9728 km/h |
| 15 ft/s | 16.4592 km/h |
| 20 ft/s | 21.9456 km/h |
| 25 ft/s | 27.432 km/h |
| 30 ft/s | 32.9184 km/h |
| 40 ft/s | 43.8912 km/h |
| 50 ft/s | 54.864 km/h |
| 75 ft/s | 82.296 km/h |
| 100 ft/s | 109.728 km/h |
| 250 ft/s | 274.32 km/h |
| 500 ft/s | 548.64 km/h |
| 1,000 ft/s | 1,097.28 km/h |
| 5,000 ft/s | 5,486.4 km/h |
| 10,000 ft/s | 10,972.8 km/h |
Unit definitions
What is a foot per second?
The foot per second is a US customary speed unit, the distance in feet covered each second. It is used in ballistics, physics problems, and some engineering fields. One foot per second is exactly 0.3048 metres per second.
What is a kilometer per hour?
The kilometre per hour is the metric unit for road speed, used on speedometers and speed limits in most countries. It equals 1000 metres travelled in one hour. One kilometre per hour is about 0.621 miles per hour.
Frequently asked questions
How many kilometers per hour are in one foot per second?
One foot per second equals 1.09728 kilometers per hour (1 ft/s = 1.09728 km/h).
How do I convert feet per second to kilometers per hour?
Multiply the value in feet per second by 1.09728. For example, 10 ft/s × 1.09728 = 10.9728 km/h.
Which is bigger — a foot per second or a kilometer per hour?
A foot per second is bigger: one foot per second contains 1.09728 kilometers per hour.
Is this foot per second to kilometer per hour converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.