21 centimeters in yards

Conversion formula
How to convert 21 centimeters to yards?

We know (by definition) that: $1\mathrm{cm}\approx 0.010936133\mathrm{yd}$

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

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 21 ⁢ cm ≈ 0.22965879300000003 ⁢ yd

Conversion in the opposite direction

The inverse of the conversion factor is that 1 yard is equal to 4.35428571428571 times 21 centimeters.

It can also be expressed as: 21 centimeters is equal to $\frac{1}{\mathrm{4.35428571428571}}$ yards.

Approximation

An approximate numerical result would be: twenty-one centimeters is about zero point two three yards, or alternatively, a yard is about four point three four times twenty-one centimeters.