21 US customary cups in US pints

Conversion formula
How to convert 21 US customary cups to US pints?

We know (by definition) that: $1\mathrm{uscup}\approx 0.5\mathrm{uspint}$

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

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

Conclusion: 21 ⁢ uscup ≈ 10.5 ⁢ uspint

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US pint is equal to 0.0952380952380952 times 21 US customary cups.

It can also be expressed as: 21 US customary cups is equal to $\frac{1}{\mathrm{0.0952380952380952}}$ US pints.

Approximation

An approximate numerical result would be: twenty-one US customary cups is about zero US pints, or alternatively, a US pint is about zero point one zero times twenty-one US customary cups.