Definition:FPS/Length/Foot

This page is about Foot (Linear Measure}. For other uses, see foot.

Definition

The foot is the FPS base unit and an imperial unit of length.

Conversion Factors

\(\ds \)

\(\)

\(\ds 1\)

foot

\(\ds \)

\(=\)

\(\ds 12\)

inches

\(\ds \)

\(=\)

\(\ds \dfrac 1 3\)

yard

\(\ds \)

\(=\)

\(\ds 30 \cdotp 48\)

centimetres

\(\quad\) (exact)

\(\ds \)

\(=\)

\(\ds 0 \cdotp 3048\)

metres

\(\quad\) (exact)

Symbol

$\mathrm {ft}$

The symbol for the foot is $\mathrm {ft}$.

Its $\LaTeX$ code is \mathrm {ft} .

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
• 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $1.$ Units and Abbreviations: $1.3$ British and other units
• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $12$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $12$
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): foot: 1.
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): foot: 1.