Foot (ft) to Kilometer (km) Conversion

Convert foot (ft) to kilometer (km) with precision. Enter values and get instant conversions.

About Foot (ft) to Kilometer (km) Conversion

Converting from Foot (ft) to Kilometer (km) is a common length conversion.

This online converter allows you to easily convert between foot (ft) and kilometer (km), providing instant results with high precision.


Foot (ft)

Definition: A foot (symbol: ft) is 12 inches or 0.3048 meters. It is a cornerstone of the US customary and British imperial systems.

History: Dates back to ancient civilizations using human body parts for measurement. The international foot was defined in 1959 as exactly 0.3048 meters to harmonize US and UK standards.

Current use: Ubiquitous in US construction (building plans), aviation (altitude in feet), and personal height measurement. Persists in the UK for informal height/weight reporting.

Kilometer (km)

Definition: A kilometer (symbol: km) is a unit of length in the International System of Units (SI). One kilometer equals 1,000 meters or approximately 0.6214 miles.

History: The prefix 'kilo-' denotes a thousand. The kilometer's origin is tied to the meter, evolving alongside its definitions. Its modern interpretation relies on the 1983 definition of the meter based on the speed of light, ensuring global consistency.

Current use: It is the standard unit for expressing geographical distances (e.g., between cities) in most countries. The US and UK still use miles for road distances, though the UK officially adopted the metric system for other applications.

Details

  • From: Foot (ft)
  • To: Kilometer (km)
  • Formula: 1 ft = 0.0003048000 km
  • Example: 25 ft = 0.0076200000 km

Foot (ft) to Kilometer (km) Conversion Table

Foot (ft)Kilometer (km)
0.010.000003048
0.10.00003048
10.0003048
20.0006096
30.0009144
50.001524
100.003048
200.006096
500.01524
1000.03048
10000.3048

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