About the km to ft calculation
One kilometer is exactly 3,280.84 feet, so converting between them is a single multiplication. Enter any value above and the result updates as you type. The standard road-distance unit in most of the world. Used for human height in the US and UK, and for altitude in aviation globally.
Formula
ft = km × 3,280.84
1 km = 3,280.84 ft
1 ft = 0.0003048 kmWorked example
To convert 10 km, multiply by 3,280.84: 10 × 3,280.84 = 32,808.4 ft.
Frequently asked questions
How many feet are in a kilometer?
There are 3,280.84 feet in one kilometer. To convert any amount, multiply the number of kilometers by 3,280.84.
How do I convert feet back to kilometers?
Divide instead of multiplying, or equivalently multiply by 0.0003048. One foot is 0.0003048 kilometers.
Is this conversion exact?
Yes. Since the international agreement of 1959, the relationship between kilometers and feet is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.
Where is each of these units used?
Kilometers: the standard road-distance unit in most of the world. Feet: used for human height in the US and UK, and for altitude in aviation globally.
Sources
- NIST Special Publication 811 — Guide for the Use of the International System of Units