Convert Feet per Second to MPH - Free & Accurate ft/s ⇄ mph Conversion Tool

Convert between feet per second (ft/s) and miles per hour (mph) with precision using standard speed measurements

Feet per Second to Miles per Hour Converter Tool
Enter a value to convert between ft/s and mph with bidirectional conversion (1 ft/s = 0.681818 mph)
Note: This converter uses standard conversion (1 ft/s = 0.681818 mph). Perfect for athletic performance tracking, projectile motion calculations, construction measurements, and engineering speed analysis.

Need to convert feet per second to mph quickly? Our ft/s ⇄ mph converter gives you instant and accurate results. Enter any value and see the conversion right away.

Why Users Love This Convert Feet per Second to MPH

  • Accurate formula: Built on the correct conversion factor.
  • Instant results: Answers appear as you type.
  • Clear display: Shows exact and rounded values.
  • Two-way conversion:feet per second to mph or mph to feet per second.
  • Device friendly: Works smoothly on mobile and desktop.

How to Use Our Converter

  1. Enter the value in ft/s or mph.
  2. Select conversion direction.
  3. View results instantly.
  4. Copy or save your answer.

Feet per Second (ft/s or fps)

Feet per second is a unit of speed in the imperial system. It measures how many feet are traveled in one second.

Key Facts About ft/s:

  • Exact value: 1 ft/s = 0.681818 mph.
  • Relationship to other units: 1 ft/s = 0.3048 m/s.
  • Common abbreviation: ft/s or fps.
  • Usage: Physics problems, running speeds, and sports timing.

Miles per Hour (mph)

Miles per hour is a unit of speed used widely in the United States and the UK. It measures distance traveled in miles over one hour.

Key Facts About mph:

  • Exact value: 1 mph = 1.467 ft/s.
  • Relationship to other units: 1 mph = 0.447 m/s.
  • Common abbreviation: mph.
  • Usage: Vehicle speedometers, road traffic, and weather forecasts.

Feet per Second to MPH Conversion Formula

Formula:

mph = ft/s × 0.681818

Feet per Second to MPH Conversion Formula

Example 1: Convert 30 ft/s to mph

Step 1: Formula = mph = ft/s × 0.681818

Step 2: Substitute = 30 × 0.681818

Step 3: Result = 20.45454 mph

Example 2: Convert 45 ft/s to mph

Step 1: mph = ft/s × 0.681818

Step 2: Substitute = 45 × 0.681818

Step 3: Result = 30.68181 mph

Example 3: Convert 130 ft/s to mph

Step 1: mph = ft/s × 0.681818

Step 2: Substitute = 130 × 0.681818

Step 3: Result = 88.63634 mph

MPH to Feet per Second Conversion Formula

Formula:

ft/s = mph × 1.467

MPH to Feet per Second Conversion Example

Example 1: Convert 20 mph to ft/s

Step 1: Formula = ft/s = mph × 1.467

Step 2: Substitute = 20 × 1.467

Step 3: Result = 29.34 ft/s

Example 2: Convert 30 mph to ft/s

Step 1: ft/s = mph × 1.467

Step 2: Substitute = 30 × 1.467

Step 3: Result = 44.01 ft/s

Example 3: Convert 70 mph to ft/s

Step 1: ft/s = mph × 1.467

Step 2: Substitute = 60 × 1.467

Step 3: Result = 88.02 ft/s

Applications of Feet per Second and MPH Conversions

  • Sports: Sprint speeds in track and field are often recorded in ft/s but compared with mph.
  • Physics: Motion equations often use ft/s, requiring conversion to mph for real-world comparisons.
  • Automobiles: Speedometers show mph, but ft/s helps calculate stopping distance.
  • Engineering: Structural testing uses ft/s, while mph is better for public communication.
  • Meteorology: Wind tunnel tests measure ft/s, later converted to mph for forecasts.

Quick Reference Table for ft/s ⇄ mph Conversion

Feet per Second (ft/s)

Miles per Hour (mph)

Miles per Hour (mph)

Feet per Second (ft/s)

1 ft/s

0.68 mph

10 mph

14.67 ft/s

5 ft/s

3.41 mph

20 mph

29.34 ft/s

10 ft/s

6.82 mph

30 mph

44.01 ft/s

20 ft/s

13.64 mph

50 mph

73.35 ft/s

50 ft/s

34.09 mph

60 mph

88.02 ft/s

100 ft/s

68.18 mph

100 mph

146.7 ft/s

Use our feet per second ⇄ mph converter at Digital Calculator for quick, accurate, and reliable results in physics, sports, driving, and engineering.

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Published: 9/19/2025