Convert Kilometers (km) to Feet (ft)

1 kilometer equals 3280.84 feet.

Formula: ft = km × 3280.84

Kilometer to Foot Converter

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How to Convert Kilometer to Feet

1 kilometer = 3280.84 feet

Feet = Kilometer × 3280.84

Example: 1 km × 3280.84 = 3280.84 ft

Reverse Conversion

To convert feet back to kilometers:

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

Common Kilometer to Feet Conversions

Kilometer to Feet (Part 1)
Kilometer Feet Actions
1 kilometer 3280.84 feet
5 kilometers 16404.2 feet
10 kilometers 32808.4 feet
25 kilometers 82021 feet
Kilometer to Feet (Part 2)
Kilometer Feet Actions
50 kilometers 164042 feet
100 kilometers 328084 feet
500 kilometers 1640420 feet
1000 kilometers 3280840 feet

Kilometers to feet Conversion Table

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

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

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

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 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

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

Frequently Asked Questions

How many feet are in one kilometer?

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

What is 0.04 kilometers in feet?

0.04 kilometers = 131.23 feet. This is one of the most commonly searched conversions for this pair.

How precise is the kilometer-to-feet conversion?

The factor 3280.84 is accurate to 6 significant figures, derived from international measurement standards. Our calculator uses full precision internally.

Looking for the reverse? Convert Feet to Kilometer

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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.