Pints to Gallons Converter

About the pt to gal calculation

One pint is exactly 0.125 gallons, so converting between them is a single multiplication. Enter any value above and the result updates as you type. The US pint is 473 ml. A UK pint is larger at 568 ml, which trips people up constantly. The US gallon is 3.785 L. The imperial gallon is 4.546 L — a 20% difference.

Formula

gal = pt × 0.125

1 pt = 0.125 gal
1 gal = 8 pt

Worked example

To convert 1 pt, multiply by 0.125: 1 × 0.125 = 0.125 gal.

Frequently asked questions

How many gallons are in a pint?

There are 0.125 gallons in one pint. To convert any amount, multiply the number of pints by 0.125.

How do I convert gallons back to pints?

Divide instead of multiplying, or equivalently multiply by 8. One gallon is 8 pints.

Is this conversion exact?

Yes. Since the international agreement of 1959, the relationship between pints and gallons is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.

Where is each of these units used?

Pints: the US pint is 473 ml. A UK pint is larger at 568 ml, which trips people up constantly. Gallons: the US gallon is 3.785 L. The imperial gallon is 4.546 L — a 20% difference.

Sources

• NIST Special Publication 811 — Guide for the Use of the International System of Units