Length calculator
Feet to Kilometers Converter
Convert feet (ft) to kilometers (km) with the exact length formula, worked examples, and a common-values table.
Exact conversion
Feet to kilometers formula
km = ft × 0.0003048
1 ft equals 0.0003048 km. 10 ft equals 0.003048 km.
About these units
- ft
- Foot, an imperial and US customary length unit equal to 12 inches or 0.3048 meters. It is used for building dimensions, land measurements, heights, and survey conversions.
- km
- Kilometer, a metric distance unit equal to 1,000 meters. It is the standard metric unit for map distances, road distances, and land-distance reporting. The UK spelling is kilometre; both spellings use the same km symbol.
Before you use the result
ft to km context and checks
- Best use
- Use length conversions for dimensions, distances, survey notes, product specs, and engineering sketches where both units measure one-dimensional length.
- Common mistake
- Check whether the source is length, area, speed, diameter, or a historical survey unit before applying a simple length factor.
- Precision note
- Preserve the original value until the last step, then round to the tolerance required by the drawing, label, or task.
Example check: 1 ft converts to 0.0003048 km. Use this known value to sanity-check a spreadsheet, homework solution, spec sheet, or manual calculation.
Common ft to km conversion table
| ft | km |
|---|---|
| 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 |
FAQ8 common questions for this calculator.
FAQs
How do I convert feet to kilometers?+
Use this formula: km = ft × 0.0003048. Enter the ft value and the calculator applies the relationship immediately.
How many km are in 1 ft?+
1 ft equals 0.0003048 km.
What is 10 ft in km?+
10 ft equals 0.003048 km. The displayed result may be rounded, while the calculator keeps full precision internally.
Can I convert kilometers back to feet?+
Yes. Use Swap in the converter to reverse the units and calculate km to ft.
How does the Feet to Kilometers Converter calculate the result?+
For the Feet to Kilometers Converter, it uses the Feet to kilometers formula: km = ft × 0.0003048. 1 ft equals 0.0003048 km. 10 ft equals 0.003048 km.
What information do I need to use the Feet to Kilometers Converter?+
Enter the values requested by the form, keep units consistent, and use the displayed assumptions to decide whether the Feet to Kilometers Converter matches your scenario.
How accurate is the Feet to Kilometers Converter?+
Feet to Kilometers Converter is accurate for the values and assumptions entered on this page. It uses the Feet to kilometers formula. Recheck the inputs before relying on the estimate.
What should I check before using the Feet to Kilometers Converter result?+
For the Feet to Kilometers Converter, check that the units, inputs, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
RelatedNearby length converters that share units or direction.
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Length guide
How to use the Feet to Kilometers Converter
Convert feet (ft) to kilometers (km) with the exact length formula, worked examples, and a common-values table. Use the instant result for the feet to kilometers conversion, then check the common-value table, reverse link, and unit notes before copying the answer.
- 1
Enter Feet
Type the feet value you want to convert. Decimal values work when you need a partial unit.
- 2
Read Kilometers
Use the main result for the exact kilometers value, then scan the common-value table for nearby reference points.
- 3
Confirm Feet to Kilometers
Confirm whether you are converting speed, distance, or time; similar-looking route and speed units can answer different questions.