# 18 yards in inches

## Conversion

18 yards is equivalent to 648 inches.^{[1]}

## Conversion formula

How to convert 18 yards to inches?

We know (by definition) that: $1\mathrm{yd}=36\mathrm{in}$

We can set up a proportion to solve for the number of inches.

$\frac{1\mathrm{yd}}{18\mathrm{yd}}=\frac{36\mathrm{in}}{x\mathrm{in}}$Now, we cross multiply to solve for our unknown $x$:

$x\mathrm{in}=\frac{18\mathrm{yd}}{1\mathrm{yd}}*36\mathrm{in}\to x\mathrm{in}=648\mathrm{in}$Conclusion: $18\mathrm{yd}=648\mathrm{in}$

## Conversion in the opposite direction

The inverse of the conversion factor is that **1 inch is equal to 0.00154320987654321 times 18 yards**.

It can also be expressed as: 18 yards is equal to $\frac{1}{\mathrm{0.00154320987654321}}$ inches.

## Approximation

An approximate numerical result would be: **eighteen yards is about six hundred and forty-eight inches**, or alternatively, *a inch is about zero times eighteen yards*.

## Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.