Definition:Imperial/Length/Foot
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Definition
The foot is an imperial unit of length.
The foot is the FPS base unit of length.
| \(\ds \) | \(\) | \(\ds 1\) | foot | |||||||||||
| \(\ds \) | \(=\) | \(\ds 12\) | inches | |||||||||||
| \(\ds \) | \(=\) | \(\ds 30.48\) | centimetres | |||||||||||
| \(\ds \) | \(=\) | \(\ds 0 \cdotp 3048\) | metres |
Sources
- 1944: Alfred E. Holbrow: Geometrical Drawing (12th ed.) ... (previous) ... (next): Section $\text I$. Introduction
- 1964: D.E. Rutherford: Classical Mechanics (3rd ed.) ... (previous) ... (next): Chapter $\text I$: Kinematics: $1$. Space and Time
- 1966: Isaac Asimov: Understanding Physics ... (previous) ... (next): $\text {I}$: Motion, Sound and Heat: Chapter $2$: Falling Bodies: Free Fall
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $12$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $12$