Definition:Foot (Linear Measure)/Conversion Factors
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Foot: 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) |
Sources
- 1944: Alfred E. Holbrow: Geometrical Drawing (12th ed.) ... (previous) ... (next): Section $\text I$. Introduction
- 1964: Milton Abramowitz and Irene A. Stegun: Handbook of Mathematical Functions ... (previous) ... (next): $2$. Physical Constants and Conversion Factors: Table $2.5$ Factors for Converting Customary U.S. Units to SI Units
- 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $2.$ Unit Conversion Factors
- 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.