How many Mile/Seconds are in 1 Foot/Second?

There are exactly 0.0001893939 Mile/Seconds in 1 Foot/Second. This means the conversion factor from Foot/Second to Mile/Second is 0.0001893939.

What is the formula to convert Foot/Second to Mile/Second?

The formula to convert Foot/Second to Mile/Second is: mi/s = ft/s × 0.0001893939. For example, to convert 10 Foot/Seconds to Mile/Seconds, you would multiply 10 by 0.0001893939.

What are the common uses of Foot/Second?

The Foot/Second is commonly used in speed calculations, engineering and science, education.

How do you convert Foot/Second to Mile/Second?

To convert Foot/Seconds to Mile/Seconds, multiply by 0.0001893939 (or divide by 5,280). Therefore, 1 Foot/Second (ft/s) equals 0.00018939 Mile/Seconds (mi/s).

Foot/Second to Mile/Second Converter

Worked example: converting Foot/Second to Mile/Second

Step 1 — start with the formula. mi/s = ft/s × 0.0001893939
Step 2 — substitute your figure. 10 ft/s × 0.0001893939
Step 3 — read the result. 10 ft/s = 0.001894 mi/s
Step 4 — check it in reverse. ft/s = mi/s × 5,280 returns 10.0003 ft/s, which matches the figure you started with.

Speed Converter

18 units available

Decimals:

From

To

0.000189

1 ft/s = 0.000189 mi/s

Formula:

mi/s = ft/s × 0.0001893939

With your value: 1 ft/s = 0.00018939 mi/s

How big is that?

Everyday references on a logarithmic scale, all expressed in foot/second so you can sanity-check the result.

Your value1.00 ft/s

Walking pace (4.6× your value)4.59 ft/s

Cycling (18× your value)18.0 ft/s

Urban speed limit (50 km/h) (46× your value)45.6 ft/s

Cheetah sprint (95× your value)95.1 ft/s

Motorway (110 km/h) (1.0e+2× your value)100 ft/s

Other Foot/Second to Mile/Second conversions

2 ft/s to mi/s 3 ft/s to mi/s 4 ft/s to mi/s 5 ft/s to mi/s 6 ft/s to mi/s 7 ft/s to mi/s 8 ft/s to mi/s

Foot/Second to Mile/Second Conversion Table

Foot/Second (ft/s)	Mile/Second (mi/s)
0.5	9.469697e-5
1	0.000189
2	0.000379
5	0.000947
10	0.001894
15	0.002841
20	0.003788
25	0.004735
50	0.00947
100	0.018939
250	0.047348
500	0.094697
1000	0.189394

Mile/Second to Foot/Second Conversion Table

Mile/Second (mi/s)	Foot/Second (ft/s)
0.5	2,640
1	5,280
2	10,560
5	26,400
10	52,800
15	79,200
20	105,600
25	132,000
50	264,000
100	528,000
250	1,320,000
500	2,640,000
1000	5,280,000

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Foot/Second (ft/s)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Mile/Second (mi/s)

Speed

Exact conversion

Derived quantity: a defined length divided by a defined time interval.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Foot/Second to Mile/Second

To convert from Foot/Second (ft/s) to Mile/Second (mi/s), multiply the value by 0.0001893939.

Formula: mi/s = ft/s × 0.0001893939

Reverse: ft/s = mi/s × 5,280

Step-by-Step Example

Start with your value in Foot/Second. For example: 5 ft/s
Multiply by the conversion factor: 5 x 0.0001893939
The result is: 0.000947 mi/s

Foot/Second and Mile/Second Relationship

This calculation facilitates standardized conversion between recognized units of speed. Since 1 Foot/Second represents a fraction of a Mile/Second (1 Mile/Second ≈ 5,280 Foot/Seconds), the Mile/Second is the larger measurement interval. Understanding the relationship between Foot/Second and Mile/Second is essential for accurate calculations in physics, engineering, commerce, and daily applications.

About Foot/Second

The Foot/Second (symbol: ft/s) is a recognized unit in the Standard measurement framework, utilized within speed applications for precision and standardized data representation.

Common uses of Foot/Second: speed calculations, engineering and science, education.

About Mile/Second

The Mile/Second (symbol: mi/s) is a recognized unit in the Standard measurement framework, utilized within speed applications for precision and standardized data representation.

Common uses of Mile/Second: speed calculations, engineering and science, education.

Frequently Asked Questions

How many Mile/Seconds are in 1 Foot/Second?: There are exactly 0.0001893939 Mile/Seconds in 1 Foot/Second. This means the conversion factor from Foot/Second to Mile/Second is 0.0001893939.
What is the formula to convert Foot/Second to Mile/Second?: The formula to convert Foot/Second to Mile/Second is: mi/s = ft/s × 0.0001893939. For example, to convert 10 Foot/Seconds to Mile/Seconds, you would multiply 10 by 0.0001893939.
What is a Foot/Second?: The Foot/Second (symbol: ft/s) is a recognized unit in the Standard measurement framework, utilized within speed applications for precision and standardized data representation.
What is a Mile/Second?: The Mile/Second (symbol: mi/s) is a recognized unit in the Standard measurement framework, utilized within speed applications for precision and standardized data representation.
What are the common uses of Foot/Second?: The Foot/Second is commonly used in speed calculations, engineering and science, education.