Meter/s to Foot/s Converter
Enter the value that you want to convert meter/s (m/s) to foot/s (ft/s) or foot/s to meter/s.Also written as M/S to FT/S conversion.
1 meter/s = 3.2808399 foot/s
Formula: foot/s = meter/s value × 3.2808399
M/S to FT/S — meter/s to foot/s
10 meter/s = 32.80840 foot/s
Popular Speed Converters:
Meter/s vs Foot/s
What is Meter/s?
The meter per second (m/s) is the SI derived unit of speed, used in physics, engineering, and scientific research.
The speed of light is defined as exactly 299,792,458 m/s. Wind speed in meteorological observations is measured in m/s in most countries. Usain Bolt's peak speed was 12.27 m/s during his 100m world record. Physics textbooks and scientific papers universally use m/s for velocity calculations, kinematic equations, and fluid dynamics.
What is Foot/s?
The foot per second (ft/s or fps) is used in US engineering, ballistics, and some industrial applications.
Bullet muzzle velocities are commonly expressed in fps — a typical rifle bullet travels at 2,500-3,000 ft/s. The speed of sound at sea level is approximately 1,125 ft/s (343 m/s). US HVAC engineers measure air velocity in fpm (feet per minute), and hydraulic flow speeds in ft/s. The unit appears extensively in American engineering handbooks and military specifications.
Speed Unit Conversions
Speed units vary by transport mode and country. Automobiles use km/h in most countries but mph in the US and UK. Aviation uses knots worldwide. Shipping uses knots for surface speed. Physics calculations require meters per second. Wind speeds appear in km/h, mph, knots, or Beaufort scale depending on the meteorological service. Sports timing uses m/s for track events but km/h or mph for ball speeds.
meter/s to foot/s metric conversion table
| 0.01 m/s | = | 0.03281 ft/s |
| 0.1 m/s | = | 0.32808 ft/s |
| 1 m/s | = | 3.28084 ft/s |
| 2 m/s | = | 6.56168 ft/s |
| 3 m/s | = | 9.84252 ft/s |
| 4 m/s | = | 13.12336 ft/s |
| 5 m/s | = | 16.40420 ft/s |
| 6 m/s | = | 19.68504 ft/s |
| 7 m/s | = | 22.96588 ft/s |
| 8 m/s | = | 26.24672 ft/s |
| 9 m/s | = | 29.52756 ft/s |
| 10 m/s | = | 32.80840 ft/s |
| 11 m/s | = | 36.08924 ft/s |
| 12 m/s | = | 39.37008 ft/s |
| 13 m/s | = | 42.65092 ft/s |
| 14 m/s | = | 45.93176 ft/s |
| 15 m/s | = | 49.21260 ft/s |
| 16 m/s | = | 52.49344 ft/s |
| 17 m/s | = | 55.77428 ft/s |
| 18 m/s | = | 59.05512 ft/s |
| 19 m/s | = | 62.33596 ft/s |
| 20 m/s | = | 65.61680 ft/s |
| 30 m/s | = | 98.42520 ft/s |
| 40 m/s | = | 131.23360 ft/s |
| 50 m/s | = | 164.04199 ft/s |
| 60 m/s | = | 196.85039 ft/s |
| 70 m/s | = | 229.65879 ft/s |
| 80 m/s | = | 262.46719 ft/s |
| 90 m/s | = | 295.27559 ft/s |
| 100 m/s | = | 328.08399 ft/s |
| 200 m/s | = | 656.16798 ft/s |
| 300 m/s | = | 984.25197 ft/s |
| 400 m/s | = | 1312.33596 ft/s |
| 500 m/s | = | 1640.41995 ft/s |
| 600 m/s | = | 1968.50394 ft/s |
| 700 m/s | = | 2296.58793 ft/s |
| 800 m/s | = | 2624.67192 ft/s |
| 900 m/s | = | 2952.75591 ft/s |
| 1000 m/s | = | 3280.83990 ft/s |
How to Convert M/S to FT/S (Meter/s to Foot/s)?
We can convert meter/s to foot/s by using an example.
Example:
Convert 20 Meter/s to Foot/s?
We know 1 Meter/s = 3.2808399 foot/s; 1 Foot/s = 0.3048000 meter/s.
20 meter/s = ___ft/s
20 × 3.2808399 = 65.61680 ft/s (we know 1 meter/s = 3.2808399 foot/s)
Answer:
20 meter/s = 65.61680 foot/s
How to Convert m/s to ft/s (Step-by-Step)
Converting meters per second to feet per second is needed when translating SI measurements to US engineering units used in HVAC, fluid mechanics, and structural analysis. The conversion factor is 3.28084 (exactly 1/0.3048).
- Write down the speed value in meters per second (m/s).
- Multiply by 3.28084 (the reciprocal of 0.3048).
- The result is the equivalent speed in feet per second (ft/s).
- Alternatively, divide by 0.3048 for an exact result.
Common m/s to ft/s Conversions
Reference table converting SI speed values to US engineering feet per second units.
| Meter/s | Foot/s |
|---|---|
| 1 m/s | 3.281 ft/s |
| 5 m/s | 16.40 ft/s |
| 9.81 m/s | 32.19 ft/s |
| 10 m/s | 32.81 ft/s |
| 50 m/s | 164.04 ft/s |
| 100 m/s | 328.08 ft/s |
| 250 m/s | 820.21 ft/s |
| 343 m/s | 1,125.3 ft/s |
| 500 m/s | 1,640.4 ft/s |
Solved Examples: m/s to ft/s
Question 1: An international HVAC spec calls for 5 m/s maximum duct velocity. Convert to ft/s for US construction.
Solution:
Formula: ft/s = m/s × 3.28084
= 5 × 3.28084
= 16.40 ft/s
Answer: 5 m/s = 16.40 ft/s (within typical ASHRAE limits for branch ducts)
Question 2: A European pump spec lists maximum flow velocity as 3 m/s. Convert to ft/s for a US installation.
Solution:
ft/s = m/s × 3.28084
= 3 × 3.28084
= 9.84 ft/s
Answer: 3 m/s = 9.84 ft/s (under the 10 ft/s maximum in most US pipe codes)
Question 3: A wind turbine is rated for 25 m/s survival wind speed. What is this in ft/s?
Solution:
ft/s = m/s × 3.28084
= 25 × 3.28084
= 82.02 ft/s
Answer: 25 m/s = 82.02 ft/s (about 56 mph — IEC Class I turbine survival speed)
Question 4: A seismic wave travels at 6,000 m/s through rock. Convert to ft/s.
Solution:
ft/s = m/s × 3.28084
= 6000 × 3.28084
= 19,685 ft/s
Answer: 6,000 m/s = 19,685 ft/s (typical P-wave velocity in granite)
Practice Questions
Try solving these on your own to test your understanding:
- Convert 8 m/s to ft/s. (Answer: 26.25 ft/s)
- A ball is thrown at 30 m/s. What is this in ft/s? (Answer: 98.43 ft/s)
- Convert 1.5 m/s (walking speed) to ft/s. (Answer: 4.92 ft/s)
- Fluid flows at 2 m/s in a channel. Convert to ft/s. (Answer: 6.56 ft/s)
- Convert 400 m/s (supersonic) to ft/s. (Answer: 1,312.34 ft/s)
HVAC Design Velocities: SI to US
HVAC engineers frequently bridge international (ISO) and US (ASHRAE) standards. ISO specifications use m/s for air velocity, while ASHRAE uses feet per minute (fpm) — multiply ft/s by 60 to get fpm. Key conversions: 2.5 m/s = 8.2 ft/s = 492 fpm (branch duct max), 5 m/s = 16.4 ft/s = 984 fpm (main duct typical), 7.5 m/s = 24.6 ft/s = 1,476 fpm (main duct max in commercial), 10 m/s = 32.8 ft/s = 1,969 fpm (industrial high-velocity system). Exceeding recommended velocities increases noise (every doubling of velocity adds about 18 dB) and energy costs (pressure drop scales with velocity squared).
Fluid Mechanics: International to US Codes
Pipe flow velocity limits differ between ISO and ASME/AWWA codes but translate directly with the 3.28084 factor. ISO recommends: potable water 0.5-2.5 m/s (1.6-8.2 ft/s), fire systems up to 6 m/s (19.7 ft/s), compressed air 6-15 m/s (20-49 ft/s), steam 20-50 m/s (66-164 ft/s). US ASME equivalents: potable water 2-8 ft/s, fire sprinklers up to 20 ft/s, compressed air 20-50 ft/s, steam 60-150 ft/s. The slightly different limits reflect different safety margins, but the conversion itself is exact.
Gravitational Acceleration: 9.81 m/s² = 32.19 ft/s²
The gravitational constant bridges metric and imperial physics: g = 9.81 m/s² = 32.19 ft/s² (exact: 32.174 ft/s²). This means an object in free fall gains 9.81 m/s (32.2 ft/s) every second. After 1 second: 9.81 m/s = 32.2 ft/s. After 2 seconds: 19.62 m/s = 64.4 ft/s. After 3 seconds: 29.43 m/s = 96.5 ft/s (about 66 mph or 106 km/h). Terminal velocity for a skydiver: about 55 m/s = 180 ft/s (122 mph). Knowing both unit systems for g is fundamental to structural and mechanical engineering.
Key Takeaways
- Multiply m/s by 3.28084 to get ft/s (exact: divide by 0.3048).
- The conversion is exact: 1 m = 1/0.3048 feet by definition.
- Speed of sound: 343 m/s = 1,125 ft/s — a good verification pair.
- Quick estimate: multiply m/s by 3.3 for approximate ft/s.
- HVAC uses fpm (ft/min) — multiply ft/s by 60 for that unit.
- Gravitational acceleration: 9.81 m/s² = 32.2 ft/s² (both essential in engineering).
Meter/s to Foot/s Conversion Formula
foot/s = meter/s × 3.2808399
1 meter/s = 3.2808399 foot/s
1 foot/s = 0.3048000 meter/s
Reverse: meter/s = foot/s × 0.3048000
Frequently Asked Questions
How many foot/s are in 1 meter/s?
There are 3.2808399 foot/s in 1 meter/s. To convert meter/s to foot/s, multiply the value by 3.2808399.
How do I convert meter/s to foot/s?
Multiply your meter/s value by 3.2808399 to get the equivalent in foot/s. For example, 5 meter/s = 5 × 3.2808399 = 16.40420 foot/s.
How do I convert foot/s to meter/s?
Multiply your foot/s value by 0.3048000 to get the equivalent in meter/s. Alternatively, divide by 3.2808399.
What is 10 meter/s in foot/s?
10 meter/s is equal to 32.80840 foot/s.
What is 100 meter/s in foot/s?
100 meter/s is equal to 328.08399 foot/s.