Definition:Inch/Conversion Factors

Inch: Conversion Factors

\(\ds \)

\(\)

\(\ds 1\)

inch

\(\ds \)

\(=\)

\(\ds \dfrac 1 {12}\)

foot

\(\ds \)

\(=\)

\(\ds 2 \cdotp 54\)

centimetres

\(\quad\) (exact)

\(\ds \)

\(=\)

\(\ds 0 \cdotp 0254\)

metres

\(\quad\) (exact)

Sources

• 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
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): inch
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): inch