Quick answer: 1 Foot / Second in Mile / Hour (mph)
1 ft/s equals 0.681818 mph. To convert Foot / Second to Mile / Hour (mph), multiply by 0.681818 using the free calculator above — no signup needed.
Speed & Velocity units
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About Speed & Velocity Converter
The Speed & Velocity Converter converts between 6 different units, including Meter / Second, Kilometer / Hour, Mile / Hour (mph), Knot, Foot / Second. The base unit is the Meter / Second, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Meter / Second = 3.6 Kilometer / Hour, 2.236936 Mile / Hour (mph), 1.943844 Knot.
Scale of this category: the smallest unit is the Kilometer / Hour (km/h) and the largest is the Mach (Speed of Sound) (M).
Last updated: 2026-09-15
Speed & Velocity conversion factors
| Unit | Symbol | Value in Meter / Second |
|---|---|---|
| Meter / Second | m/s | 1 m/s = 1 m/s |
| Kilometer / Hour | km/h | 1 km/h = 0.277778 m/s |
| Mile / Hour (mph) | mph | 1 mph = 0.44704 m/s |
| Knot | kn | 1 kn = 0.514444 m/s |
| Foot / Second | ft/s | 1 ft/s = 0.3048 m/s |
| Mach (Speed of Sound) | M | 1 M = 340.29 m/s |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Foot / Second in Mile / Hour (mph)?
- Multiply 1 by the conversion factor 0.681818
- 1 Foot / Second = 0.681818 Mile / Hour (mph)
How much is 10 Foot / Second in Mile / Hour (mph)?
- Multiply 10 by the conversion factor 0.681818
- 10 Foot / Second = 6.818182 Mile / Hour (mph)
How much is 100 Foot / Second in Mile / Hour (mph)?
- Multiply 100 by the conversion factor 0.681818
- 100 Foot / Second = 68.181818 Mile / Hour (mph)
Quick Conversion Reference Table
| Foot / Second (ft/s) | Mile / Hour (mph) (mph) |
|---|---|
| 1 ft/s (Foot / Second) | 0.681818 mph (Mile / Hour (mph)) |
| 2 ft/s (Foot / Second) | 1.363636 mph (Mile / Hour (mph)) |
| 5 ft/s (Foot / Second) | 3.409091 mph (Mile / Hour (mph)) |
| 10 ft/s (Foot / Second) | 6.818182 mph (Mile / Hour (mph)) |
| 20 ft/s (Foot / Second) | 13.636364 mph (Mile / Hour (mph)) |
| 50 ft/s (Foot / Second) | 34.090909 mph (Mile / Hour (mph)) |
| 100 ft/s (Foot / Second) | 68.181818 mph (Mile / Hour (mph)) |
| 500 ft/s (Foot / Second) | 340.909091 mph (Mile / Hour (mph)) |
| 1000 ft/s (Foot / Second) | 681.818182 mph (Mile / Hour (mph)) |
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FAQ
How much is 1 Foot / Second in Mile / Hour (mph)?
1 Foot / Second = 0.681818 Mile / Hour (mph).
How do I convert Foot / Second to Mile / Hour (mph)?
Enter your value in Foot / Second into the converter above and the result in Mile / Hour (mph) appears instantly. 1 ft/s equals 0.681818 mph — just multiply your value by 0.681818.
What is the formula for Foot / Second to Mile / Hour (mph)?
The formula is: value in Mile / Hour (mph) = value in Foot / Second × 0.681818. For example, 10 ft/s × 0.681818 = 6.818182 mph.
Is this Foot / Second to Mile / Hour (mph) converter free and accurate?
Yes. This Foot / Second to Mile / Hour (mph) converter is 100% free, uses the exact international conversion factor (0.681818), and works on any device with no signup.
How do I convert Mile / Hour (mph) back to Foot / Second?
To convert back, divide by 0.681818 (or multiply by 1.466667). You can also use our dedicated How Many Foot / Second in 1 Mile / Hour (mph)? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Speed & Velocity units are supported?
This converter supports 6 units: Meter / Second, Kilometer / Hour, Mile / Hour (mph), Knot, Foot / Second, Mach (Speed of Sound).