21 US gallons in US pints

Conversion formula
How to convert 21 US gallons to US pints?

We know (by definition) that: $1\mathrm{usgallon}\approx 8\mathrm{uspint}$

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 ⁢ usgallon ≈ 168 ⁢ uspint

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US pint is equal to 0.00595238095238095 times 21 US gallons.

It can also be expressed as: 21 US gallons is equal to $\frac{1}{\mathrm{0.00595238095238095}}$ US pints.

Approximation

An approximate numerical result would be: twenty-one US gallons is about one hundred and sixty-eight US pints, or alternatively, a US pint is about zero point zero one times twenty-one US gallons.