21 liters in imperial cups

Conversion formula
How to convert 21 liters to imperial cups?

We know (by definition) that: $1\mathrm{liter}\approx 3.5195079727854\mathrm{brcup}$

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

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

Conclusion: 21 ⁢ liter ≈ 73.9096674284934 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.0135300297619048 times 21 liters.

It can also be expressed as: 21 liters is equal to $\frac{1}{\mathrm{0.0135300297619048}}$ imperial cups.

Approximation

An approximate numerical result would be: twenty-one liters is about seventy-three point nine zero imperial cups, or alternatively, a imperial cup is about zero point zero one times twenty-one liters.