21 meters in feet

Conversion formula
How to convert 21 meters to feet?

We know (by definition) that: $1\mathrm{m}\approx 3.2808399\mathrm{ft}$

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

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

Conclusion: 21 ⁢ m ≈ 68.8976379 ⁢ ft

Conversion in the opposite direction

The inverse of the conversion factor is that 1 foot is equal to 0.0145142857142857 times 21 meters.

It can also be expressed as: 21 meters is equal to $\frac{1}{\mathrm{0.0145142857142857}}$ feet.

Approximation

An approximate numerical result would be: twenty-one meters is about sixty-eight point nine zero feet, or alternatively, a foot is about zero point zero one times twenty-one meters.