Convert X-unit to foot
Please provide values below to convert X-unit [X] to foot [ft], or Convert foot to X-unit.
How to Convert X-Unit to Foot
1 X = 3.28766404199475e-13 ft
Example: convert 15 X to ft:
15 X = 15 × 3.28766404199475e-13 ft = 4.93149606299213e-12 ft
X-Unit to Foot Conversion Table
| X-unit | foot |
|---|
X-Unit
An X-unit is a unit of length approximately equal to 1.002 x 10⁻¹³ meters.
History/Origin
The X-unit was proposed by the Swedish physicist Manne Siegbahn in 1919 for measuring the wavelengths of X-rays and gamma rays.
Current Use
The X-unit has been largely replaced by the angstrom and the picometer.
Foot
A foot is a unit of length in the imperial and US customary systems of measurement. A foot was defined as exactly 0.3048 meters in 1959. One foot contains 12 inches, and one yard is comprised of three feet.
History/Origin
The foot has been used as a unit of measurement in many different cultures, including Ancient Greece and Rome, and the length has varied from country to country and even from city to city. The name is said to be based on the average length of a man's foot.
Current Use
The foot is a primary unit of length in the United States, the United Kingdom, and Canada for many everyday applications. In the US, feet and inches are commonly used to measure height, shorter distances, field length (sometimes in the form of yards), etc.