About the gal to pt calculation
One gallon is exactly 8 pints, so converting between them is a single multiplication. Enter any value above and the result updates as you type. The US gallon is 3.785 L. The imperial gallon is 4.546 L — a 20% difference. The US pint is 473 ml. A UK pint is larger at 568 ml, which trips people up constantly.
Formula
pt = gal × 8
1 gal = 8 pt
1 pt = 0.125 galWorked example
To convert 1 gal, multiply by 8: 1 × 8 = 8 pt.
Frequently asked questions
How many pints are in a gallon?
There are 8 pints in one gallon. To convert any amount, multiply the number of gallons by 8.
How do I convert pints back to gallons?
Divide instead of multiplying, or equivalently multiply by 0.125. One pint is 0.125 gallons.
Is this conversion exact?
Yes. Since the international agreement of 1959, the relationship between gallons and pints 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?
Gallons: the US gallon is 3.785 L. The imperial gallon is 4.546 L — a 20% difference. Pints: the US pint is 473 ml. A UK pint is larger at 568 ml, which trips people up constantly.
Sources
- NIST Special Publication 811 — Guide for the Use of the International System of Units