Use this feet to km converter to change a foot measurement into its kilometer equivalent. Enter a number in the calculator above and the result updates instantly.
Length conversions are useful for height, construction dimensions, screen sizes, product measurements, travel distances, and everyday comparisons between metric and imperial units.
What is a foot?
A foot is a US customary and imperial length unit equal to 12 inches. It is widely used for height, building dimensions, aviation altitude, and real estate measurements.
What is a kilometer?
A kilometer is a metric distance unit equal to 1,000 meters. It is used for road distances, races, maps, and geographic measurements.
Feet to Km Converter formula
To convert feet to kilometers, use the formula below.
1 km = 3,280.83989501 ft. This relationship is the conversion factor used by the calculator.
How to convert feet to km
Start with the foot value, apply the formula, and round the result only after the calculation is complete.
Example: 10 ft = 0.003048 km.
- 1 ft = 0.0003048 km
- 10 ft = 0.003048 km
- 100 ft = 0.03048 km
Manual conversion steps
- Write down the value in feet.
- Use the conversion formula: kilometers = feet / 3,280.83989501.
- Calculate the result in kilometers.
- Round the answer to the number of decimal places you need.
For quick checking, the converter above performs the same calculation automatically.
Common feet to km use cases
This conversion is useful in practical situations where measurements need to move between different unit systems or audiences.
- Convert feet to kilometers when comparing product dimensions, room sizes, height measurements, tools, and construction plans.
- Use this conversion when a metric measurement needs to be understood in an imperial or US customary context.
Common mistakes when converting feet to km
These are the most common issues to watch for when doing this conversion by hand.
- Do not mix up the direction of the conversion. feet to km is not the same as km to feet.
- Avoid rounding too early. Keep the full result during the calculation, then round the final answer.
Feet to Km conversion table
| Foot | Kilometer |
|---|---|
| 1 ft | 0.0003048 km |
| 5 ft | 0.001524 km |
| 10 ft | 0.003048 km |
| 25 ft | 0.00762 km |
| 50 ft | 0.01524 km |
| 100 ft | 0.03048 km |
How to convert km to feet
To reverse the conversion, switch the two units in the calculator or open the reverse conversion page: km to feet.
Reversing the units is useful when you already have a value in kilometers and need the equivalent value in feet.
How to use this feet to km converter
- Enter the number you want to convert in the value field.
- Confirm that the from unit is Foot and the to unit is Kilometer.
- Read the converted result in the result box.
- Use the copy button if you want to paste the answer elsewhere.
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FAQ
What is the formula for feet to km?
The formula is: kilometers = feet / 3,280.83989501.
How do I convert feet to km by hand?
Write down the value in feet, apply the formula, and round the final result in kilometers.
How accurate is this converter?
The converter uses standard conversion factors and shows rounded results for readability.
Can I reverse the conversion?
Yes. Use the swap button in the converter or open the related reverse conversion page.
Why do results sometimes have many decimal places?
Some unit conversions do not produce short decimal values. Keep more decimal places for technical work, and round the answer for everyday use.