Convert Miles per Hour (mph) to Feet per Second (ft/s)

1 mph = 1.467 ft/s

How many Feet per Second in a Mile per Hour?Printable chart →

Converting miles per hour (mph) to feet per second (ft/s) is essential for various practical applications. The conversion factor is straightforward: 1 mph equals 1.46667 ft/s. Whether you're assessing vehicle speeds or calculating running paces, this conversion is crucial.

Mile per Hour (mph)

Foot per Second (ft/s)

1.466667

≈ 1 15/32 ft/s

Conversion Formula

ft/s = mph × 1.46667

Reverse: mph = ft/s × 0.681818

Quick mental math: For quick estimates, remember that 1 mph is roughly 1.5 ft/s.

Conversion Examples

1 mph × 1.46667 =

1.467 ft/s

1 Miles per Hour = 1.467 Feet per Second

5 mph × 1.46667 =

7.333 ft/s

5 Miles per Hour = 7.333 Feet per Second

10 mph × 1.46667 =

14.667 ft/s

10 Miles per Hour = 14.667 Feet per Second

25 mph × 1.46667 =

36.667 ft/s

25 Miles per Hour = 36.667 Feet per Second

50 mph × 1.46667 =

73.333 ft/s

50 Miles per Hour = 73.333 Feet per Second

100 mph × 1.46667 =

146.667 ft/s

100 Miles per Hour = 146.667 Feet per Second

Mile per Hour to Foot per Second Table

Quick convert your value:

mph =—ft/s

Start:Step:Rows:Precision:

Mile per Hour (mph)	Foot per Second (ft/s)	Fraction
1	1.4667	1 15/32
2	2.9333	2 15/16
3	4.4	4 13/32
4	5.8667	5 55/64
5	7.3333	7 21/64
6	8.8	8 51/64
7	10.2667	10 17/64
8	11.7333	11 47/64
9	13.2	13 13/64
10	14.6667	14 43/64
11	16.1333	16 9/64
12	17.6	17 19/32
13	19.0667	19 1/16
14	20.5333	20 17/32
15	22	—
16	23.4667	23 15/32
17	24.9333	24 15/16
18	26.4	26 13/32
19	27.8667	27 55/64
20	29.3333	29 21/64

Unit Definitions

What is a Mile per Hour (mph)?

ImperialUnited States, United Kingdom

A mile per hour (mph) is a unit of speed expressing the number of miles traveled in one hour.

History

The mile has its roots in ancient Rome, with the term 'mille passus' meaning 'thousand paces.' The mph unit became common in the 20th century as automobiles increased in popularity.

Current Use

Today, mph is widely used in the United States and the UK for speed limits and vehicle speed measurements.

Learn more about Mile per Hour

What is a Foot per Second (ft/s)?

ImperialUnited States

A foot per second (ft/s) is a unit of speed that indicates how many feet are traveled in one second.

History

The foot has been used as a unit of measurement since ancient times, with the second defined in the 1960s as part of the International System of Units.

Current Use

Ft/s is commonly used in fields such as physics, engineering, and sports, particularly in scenarios where precise time-based measurements are necessary.

Learn more about Foot per Second

Frequently Asked Questions

How do I convert a car's speed from mph to ft/s?

To convert a car's speed from miles per hour to feet per second, multiply the speed in mph by 1.46667. For instance, if a car is traveling at 60 mph, the conversion would be 60 mph * 1.46667 = 88 ft/s. This is useful when you want to understand speed limits in different units or for racing contexts where precision matters.

How does this conversion apply to running speeds?

If you're a runner and you want to know your speed in ft/s, first determine your pace in mph. For example, if you're running at 8 mph, convert that to feet per second by multiplying: 8 mph * 1.46667 = 11.73336 ft/s. This conversion helps you monitor your speed during training or races, making it easier to set benchmarks.

Why is converting mph to ft/s important in construction?

In construction, machinery speeds are often specified in mph, but many calculations require ft/s. For example, if a forklift operates at 5 mph, converting that speed gives you 5 mph * 1.46667 = 7.33335 ft/s. Knowing this conversion can help ensure safety measures are properly implemented based on the equipment's speed.

How can I use this conversion in science experiments?

In scientific experiments, precise measurements are crucial. If an experiment involves a projectile moving at 20 mph, you would convert it to feet per second: 20 mph * 1.46667 = 29.334 ft/s. This conversion is vital for calculations related to kinetic energy or impact assessments in physics.

Can I use this conversion for shopping and product specifications?

Yes, many products, like bicycles or skateboards, list speeds in mph. For example, if a bike can reach 15 mph, converting that speed gives you 15 mph * 1.46667 = 22 ft/s. This information can help you compare products based on speed, especially when considering outdoor activities.

Popular Speed Conversions

Mile per Hour to Kilometer per Hourmph → km/h Kilometer per Hour to Mile per Hourkm/h → mph Meter per Second to Kilometer per Hourm/s → km/h Knot to Kilometer per Hourkn → km/h Knot to Mile per Hourkn → mph Mile per Hour to Meter per Secondmph → m/s

Convert Mile per Hour to Other Units

Mile per Hour to Meter per Second→ m/s Mile per Hour to Knot→ kn Mile per Hour to Mach→ M Mile per Hour to Speed of Light→ c Mile per Hour to Foot per Second→ ft/s Mile per Hour to Mach→ M Mile per Hour to Speed of Light→ c

Related Conversions

Meter per Second to Mile per Hourm/s → mph Meter per Second to Foot per Secondm/s → ft/s Kilometer per Hour to Mile per Hourkm/h → mph Kilometer per Hour to Foot per Secondkm/h → ft/s Mile per Hour to Meter per Secondmph → m/s