Convert Feet to Kilometers

Enter the length in feet below to get the value converted to kilometers.

Results in Kilometers:
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1 ft = 0.000305 km
Do you want to convert kilometers to feet?

How to Convert Feet to Kilometers

Tape measures can be used to measure units of length, and a calculator can be used to convert to another unit

To convert a foot measurement to a kilometer measurement, multiply the length by the conversion ratio. One foot is equal to 0.000305 kilometers, so use this simple formula to convert:

kilometers = feet × 0.000305

The length in kilometers is equal to the feet multiplied by 0.000305.

For example, here's how to convert 5 feet to kilometers using the formula above.
5' = (5 × 0.000305) = 0.001524 km

Our inch fraction calculator can add feet and kilometers together and it also automatically converts the results to US customary, imperial and SI metric values.

Feet and kilometers are both units used to measure length. Keep reading to learn more about each unit of measure.


The foot is a unit of linear length measure equal to 12 inches or 1/3 of a yard. Because the international yard is legally defined to be equal to exactly 0.9144 meters, one foot is equal to 0.3048 meters.

The foot is a US customary and imperial unit of length. Feet can be abbreviated as ft, for example 1 foot can be written as 1 ft.

Feet can also be denoted using the symbol, otherwise know as a prime, though a single-quote (') is often used instead of the prime symbol for convenience. Using the prime, 1 ft can be written as 1′.

The foot is most commonly measured using either a standard 12" ruler or a tape measure, though there are many other measuring devices available.. Feet are sometimes referred to as linear feet, which is simply the value of a length in feet, learn more.

You might be interested in our feet and inches calculator, which can add feet with inches, centimeters, or meters.


One kilometer is equal to 1,000 meters, which are defined as the distance light travels in a vacuum in a 1/299,792,458 second time interval.

The kilometer, or kilometre, is a multiple of the meter, which is the SI base unit for length. In the metric system, "kilo" is the prefix for 103. Kilometers can be abbreviated as km, for example 1 kilometer can be written as 1 km.

We recommend using a ruler or tape measure for measuring length, which can be found at a local retailer or home center. Rulers are available in imperial, metric, or combination with both values, so make sure you get the correct type for your needs.

If you need a ruler you can also download and print our free printable rulers, which include both imperial and metric measurements.

Foot Measurements and Equivalent Kilometer Conversions

Common foot values converted to the equivalent kilometer value
Feet Kilometers
1' 0.000305 km
2' 0.00061 km
3' 0.000914 km
4' 0.001219 km
5' 0.001524 km
6' 0.001829 km
7' 0.002134 km
8' 0.002438 km
9' 0.002743 km
10' 0.003048 km
11' 0.003353 km
12' 0.003658 km
13' 0.003962 km
14' 0.004267 km
15' 0.004572 km
16' 0.004877 km
17' 0.005182 km
18' 0.005486 km
19' 0.005791 km
20' 0.006096 km
21' 0.006401 km
22' 0.006706 km
23' 0.00701 km
24' 0.007315 km
25' 0.00762 km
26' 0.007925 km
27' 0.00823 km
28' 0.008534 km
29' 0.008839 km
30' 0.009144 km
31' 0.009449 km
32' 0.009754 km
33' 0.010058 km
34' 0.010363 km
35' 0.010668 km
36' 0.010973 km
37' 0.011278 km
38' 0.011582 km
39' 0.011887 km
40' 0.012192 km

More Foot Length Conversions

US Customary & Imperial Units
Convert to Miles
1' is equal to 0.000189 miles
Convert to Yards
1' is equal to 0.333333 yards
Convert to Inches
1' is equal to 12 inches
SI Units
Convert to Meters
1' is equal to 0.3048 meters
Convert to Centimeters
1' is equal to 30.48 centimeters
Convert to Millimeters
1' is equal to 304.8 millimeters
Convert to Micrometers
1' is equal to 304,800 micrometers
Convert to Nanometers
1' is equal to 304,800,000 nanometers