Convert Feet (ft) to Kilometers (km)

1 feet equals 0.0003048 kilometers.

Formula: km = ft × 0.0003048

Foot to Kilometer Converter

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How to Convert Feet to Kilometer

1 foot = 0.0003048 kilometers

Kilometer = Feet × 0.0003048

Example: 1 ft × 0.0003048 = 0.0003048 km

Reverse Conversion

To convert kilometers back to feet:

  • Remember, 1 kilometer equals 3280.84 feet.
  • To convert 0.0003048 km to ft, multiply 0.0003048 x 3280.84, resulting in 1 ft.

Common Feet to Kilometer Conversions

Feet to Kilometer (Part 1)
Feet Kilometer Actions
1 foot 0.0003048 kilometers
5 feet 0.001524 kilometers
10 feet 0.003048 kilometers
25 feet 0.00762 kilometers
Feet to Kilometer (Part 2)
Feet Kilometer Actions
50 feet 0.01524 kilometers
100 feet 0.03048 kilometers
500 feet 0.1524 kilometers
1000 feet 0.3048 kilometers

Feet to kilometers Conversion Table

Reference table with common feet to kilometers conversions. All values calculated with high precision.

Feet to Kilometers Table
1 to 5000

Feet Kilometers Actions
1 ft 0.0003048 km
2 12 ft 0.000762 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
250 ft 0.0762 km
500 ft 0.1524 km
1000 ft 0.3048 km
2500 ft 0.762 km
5000 ft 1.524 km

Feet to Kilometers Table
10000 to 1 × 109

Feet Kilometers Actions
10000 ft 3.048 km
25000 ft 7.62 km
50000 ft 15.24 km
100000 ft 30.48 km
250000 ft 76.2 km
500000 ft 152.4 km
1000000 ft 304.8 km
2500000 ft 762 km
5000000 ft 1524 km
10000000 ft 3048 km
2.5 × 107 ft 7620 km
5 × 107 ft 15240 km
1 × 108 ft 30480 km
2.5 × 108 ft 76200 km
5 × 108 ft 152400 km
1 × 109 ft 304800 km

Kilometers to Feet Table
0.0001 to 12

Kilometers Feet Actions
0.0001 km 0.328084 ft
0.00025 km 0.82021 ft
0.0005 km 1.64042 ft
0.001 km 3.28084 ft
0.0025 km 8.2021 ft
0.005 km 16.4042 ft
0.01 km 32.8084 ft
0.025 km 82.021 ft
0.05 km 164.042 ft
0.1 km 328.084 ft
14 km 820.21 ft
12 km 1640.42 ft

Kilometers to Feet Table
1 to 100000

Kilometers Feet Actions
1 km 3280.84 ft
2 12 km 8202.1 ft
5 km 16404.2 ft
10 km 32808.4 ft
25 km 82021 ft
50 km 164042 ft
100 km 328084 ft
250 km 820210 ft
500 km 1640420 ft
1000 km 3280840 ft
2500 km 8202100 ft
5000 km 1.64042 × 107 ft
10000 km 3.28084 × 107 ft
25000 km 8.2021 × 107 ft
50000 km 1.64042 × 108 ft
100000 km 3.28084 × 108 ft

Definition of Kilometer

Definition
Metric unit equal to 1,000 meters, standard for road distances globally.
Reference factor
1 km = 1000 m ≈ 0.621371 mi
Sources
BIPM — SI Brochure

About the Foot

Facts & Uses

  • Foundation of US construction: room dimensions, ceiling heights, lumber lengths (2×4×8 ft); building codes specify clearances in feet.
  • Aviation standard: altitude measured in feet globally (Flight Level 350 = 35,000 ft), regardless of country's measurement system.
  • Surveying and real estate: property descriptions, lot dimensions, setback requirements; square footage for area calculations.
  • Sports: American football (100-yard field with yard markers), basketball (10-ft rim), diving platforms.

Curiosities

  • Ancient origin from human foot length; standardized to avoid measurement disputes in trade and law.
  • Exact definition: 0.3048 meters (1959 international yard and pound agreement).
  • Notation mixing: feet-inches (5'6") vs. decimal feet (5.5 ft) in different industries and applications.
  • International aviation uses feet for altitude despite metric adoption elsewhere; ensures global air traffic safety.

Sources

About the Kilometer

Facts & Uses

  • Global standard for road distances, highway markers, and GPS navigation (except US/UK); speed limits in km/h.
  • Athletics: marathon (42.195 km), 5K/10K runs; cycling events and tour stages measured in kilometers.
  • Geographic mapping: topographic maps, city planning, weather radar range, and earthquake epicenter distances.
  • Key conversion: 1 km ≈ 0.621 miles; fuel efficiency often expressed as liters per 100 km (L/100km).

Curiosities

  • French Revolution origin: one ten-thousandth of the distance from equator to North Pole through Paris.
  • Marathon distance 42.195 km comes from 1908 London Olympics, not ancient Greek history.
  • Space applications: Low Earth Orbit (LEO) typically 160-2000 km altitude; geostationary orbit at ~35,786 km.
  • Mental conversion trick: 5 miles ≈ 8 km (actual ratio 1.609); useful for quick distance estimates.

Sources

Frequently Asked Questions

How many kilometers are in one feet?

One feet equals 0.0003048 kilometers. To convert, multiply the feet value by 0.0003048. For the reverse, divide the kilometer value by 0.0003048 (or multiply by 3280.84).

What is 1 foot in kilometers?

1 foot = 0.0003048 kilometers. This is one of the most commonly searched conversions for this pair.

How precise is the feet-to-kilometer conversion?

The factor 0.0003048 is accurate to 6 significant figures, derived from international measurement standards. Our calculator uses full precision internally.

Looking for the reverse? Convert Kilometer to Feet

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Conversion factors verified against NIST, BIPM, ISO 80000-3 1 inch = 2.54 cm by international agreement (1959). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.