Speed Converter

Convert among m/s, km/h, miles per hour (mph), feet per second (ft/s), and knots (kn).

Speed
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Related Conversions
60 m/s to ft/s 65 m/s to ft/s 75 m/s to ft/s 80 m/s to ft/s 90 m/s to ft/s 130 m/s to ft/s 150 m/s to ft/s 154 m/s to ft/s 180 m/s to ft/s 280 m/s to ft/s 336 m/s to ft/s 2,800 m/s to ft/s
Reverse Conversions
20 ft/s to m/s 25 ft/s to m/s 45 ft/s to m/s 60 ft/s to m/s 65 ft/s to m/s 90 ft/s to m/s 120 ft/s to m/s 154 ft/s to m/s 168 ft/s to m/s 180 ft/s to m/s 224 ft/s to m/s 300 ft/s to m/s
More Speed Conversions
30 km/h to mph 50 km/h to mph 50 kn to km/h 55 mph to km/h 65 mph to km/h 70 mph to km/h 80 km/h to mph 80 mph to km/h 100 km/h to mph 100 kn to mph 120 km/h to mph 340.29 m/s to km/h

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Popular Conversions

Miles Per Hour to Kilometers Per Hour Kilometers Per Hour to Miles Per Hour Meters Per Second to Kilometers Per Hour Kilometers Per Hour to Meters Per Second Knots to Miles Per Hour Miles Per Hour to Meters Per Second

Common Benchmarks

Highway speed 65 mph
High-speed train 186 mph
Commercial jet 550 mph
Sound in air 767 mph
Bicycle speed 15 mph
City bus 25 mph

Formula

ft/s = m/s × 3.280839895

Example

Example: convert 140 meters per second to feet per second.

140 m/s = 459.3175853 ft/s

Conversion table

meters per second (m/s) feet per second (ft/s)
1 m/s 3.2808399 ft/s
2 m/s 6.56167979 ft/s
5 m/s 16.40419948 ft/s
10 m/s 32.80839895 ft/s
20 m/s 65.6167979 ft/s
50 m/s 164.04199475 ft/s
100 m/s 328.0839895 ft/s

Explanation

Meters per second are common in science and engineering, while Feet per second are used in some engineering and ballistic contexts.

How to convert meters per second to feet per second

  1. Start with the value in meters per second (m/s).
  2. Multiply it by 3.280839895.
  3. The result is the measurement in feet per second (ft/s).

Example: 140 m/s → 459.3175853 ft/s

Frequently Asked Questions

How much is 140 meters per second in feet per second?

140 meters per second is about 459.318 feet per second.

How many feet per second is 1 meter per second?

1 meter per second is about 3.28084 feet per second.

How many meters per second is 1 foot per second?

1 foot per second equals 0.3048 meters per second.

What is the difference between meters per second and feet per second?

Both measure speed, but they use different distance and time units. Meters per second express speed in meters and seconds (m/s). Feet per second express it in feet and seconds (ft/s).

Where are meters per second and feet per second used?

Meters per second are widely used in physics, science, and engineering for technical calculations. Feet per second are used in physics, engineering, and some technical systems that work in feet and seconds.

Why does 1 meter per second equal 3.28084 feet per second?

Because 1 foot equals 0.3048 meters. Inverting that relationship gives the m/s to ft/s factor.