KM to Feet Conversion

Convert kilometers to feet or feet to kilometers with the exact international foot definition for reliable metric-imperial results.

Kilometer and feet conversion
Enter a distance and choose whether to convert kilometers or feet.

About converting kilometers and feet

Kilometers and feet measure length at very different scales and come from different systems. Kilometers are metric units commonly used for roads, routes, and geographic distances. Feet are imperial or US customary units commonly used for building dimensions, elevations, aviation altitudes, and shorter measurements. Converting between them is useful when a large metric distance must be compared with an imperial plan, specification, map, or instrument reading. The international foot is defined as exactly 0.3048 meter, and one kilometer is exactly 1,000 meters. Dividing 1,000 by 0.3048 shows that one kilometer equals approximately 3,280.839895 feet. To convert kilometers to feet, multiply the kilometer value by 1,000 and divide by 0.3048. To convert feet to kilometers, multiply by 0.3048 and divide by 1,000. Thus one kilometer is about 3,280.84 feet, while 1,000 feet is exactly 0.3048 kilometer. This relationship is useful in international construction and engineering, where a site plan may describe a road or utility corridor in kilometers while detailed dimensions use feet. Travelers and hikers can translate long metric routes into a familiar imperial scale. Aviation users may compare a horizontal distance in kilometers with measurements reported in feet, although altitude and horizontal distance should always remain clearly labeled. Athletes and event planners may also convert course distances when working with facilities built to different standards. Precision should follow the source measurement and the intended use. A rough travel distance generally does not need a result to many decimal places, but surveying or technical calculations may require more. The conversion factor itself is exact because both units have formal international definitions; any uncertainty normally comes from the measured input or later rounding. Always keep km or ft beside the number, verify that the selected direction matches the input unit, and avoid treating feet as the same as decimal yards or feet-and-inches notation. This converter handles both directions consistently so the result can be used as a practical answer or as a check on manual calculations.

Kilometers and feet examples

These examples show common large-distance and reverse conversions.

InputResultContext
1 km3,280.83989501 ftThe standard relationship between one kilometer and feet.
5 km16,404.1994751 ftA five-kilometer route expressed in feet.
42.195 km138,435.03937 ftThe official marathon distance converted to feet.
1,000 ft0.3048 kmA building or terrain measurement converted back to kilometers.

How to convert kilometers and feet

  1. Enter the distance value without adding a unit to the field.
  2. Choose Kilometers to feet or Feet to kilometers to match the input.
  3. Select Convert to apply the exact 0.3048-meter foot definition.
  4. Read the result with its unit and round it to a suitable precision.

KM to feet FAQ

How many feet are in one kilometer?

One kilometer equals approximately 3,280.839895 feet. This value follows from one kilometer being 1,000 meters and one foot being exactly 0.3048 meter.

How do I convert kilometers to feet manually?

Multiply kilometers by approximately 3,280.839895. For maximum accuracy, multiply by 1,000 and divide by the exact value 0.3048.

How do I convert feet to kilometers?

Multiply the number of feet by 0.3048, then divide by 1,000. For example, 5,000 feet becomes 1.524 kilometers.

Is 3,280.84 feet an exact kilometer?

It is a rounded representation of one kilometer. The underlying calculator uses the exact meter and foot definitions before formatting the result.

Are feet and yards interchangeable?

No, one yard contains exactly three feet. Select or calculate the correct unit explicitly so an imperial measurement is not accidentally scaled by three.