# Pints to Gallons Converter URL: https://speedycalculator.com/calculators/conversion/pints-to-gallons/ Last updated: 2026-10-25 > Convert US pints (US pt) to US gallons (US gal): 1 US pint = 0.125 US gal, so multiply by 0.125 or divide by 8. Both fields are editable, so you can also type in US gallons and get US pints back. ## Inputs - US pints (US pt) ## Results - US gallons ## Formula ``` 1 US pt = 0.125 US gal 1 US gal = 8 US pt US gal = US pt × 0.125 ``` ## Explanation Eight pints make a gallon. Dairy and paint are sold in both sizes, and the ratio is the same in the U.S. and imperial systems. ### How to use the Pints to Gallons Converter - Type the number of US pints into the **US pints** field. Decimals such as 4 are fine. - Read the answer in **US gallons** – it updates as you type, with no button to press. - To convert the other way, type into **US gallons** and the US pints are recalculated. - Press **Copy results** to copy both values with the page title, or **Copy link** to share this exact conversion. This page converts only US pt ⇄ US gal. Need a different unit? Use the general volume converter, where you can choose any “from” and “to” unit. ### How it works Both units measure volume, so they are always in the same ratio: one US pint equals 0.125 US gallons. The calculator multiplies the number of US pints you type by 0.125 to give US gallons, and when you type into the US gallons field it divides by the same factor to give US pints. Because the ratio never changes, doubling the US pints always doubles the US gallons. Results are calculated at full precision and rounded only for display (up to eight decimal places, with very large or small values shown in scientific notation). ### How to convert US pints to US gallons - Write down the value in US pints, for example **8 US pt**. - Multiply by the conversion factor 0.125 (because 1 US pint = 0.125 US gal). - 8 × 0.125 = **1 US gal**. - To go back from US gallons to US pints, divide by 0.125 – or multiply by 8. ### US pt to US gal conversion table US pintsUS gallonsUS gallonsUS pints1 US pt0.125 US gal1 US gal8 US pt2 US pt0.25 US gal2 US gal16 US pt4 US pt0.5 US gal5 US gal40 US pt6 US pt0.75 US gal10 US gal80 US pt8 US pt1 US gal20 US gal160 US pt12 US pt1.5 US gal50 US gal400 US pt16 US pt2 US gal100 US gal800 US pt32 US pt4 US gal1,000 US gal8,000 US pt ### What is a US pint? A U.S. pint is half a quart, about 473 mL. A British (imperial) pint is larger, about 568 mL, which is the standard size for beer in UK pubs. ### What is a US gallon? The U.S. liquid gallon is exactly 231 cubic inches, about 3.785 litres. It is used for fuel, milk, water and paint in the United States. ### Quick mental conversion For a fast estimate, multiply US pints by about **0.12** to get US gallons; the error is about 4.0%. Use the calculator above when you need the exact figure. ### Common mistakes to avoid Mixing u.s. and uk gallons, pints and fluid ounces, assuming a cup is always 250 ml, and treating volume and weight as interchangeable for anything except water. ## Worked example Inputs — US pints: 8 US pt. Results — **US gallons = 1 US gal**. ## FAQ **How many gallons is 8 pints?** 1 gallon. **How many pints in half a gallon?** 4. **How many US gallons are in one US pint?** 1 US pt = 0.125 US gal. **How many US pints are in one US gallon?** 1 US gal = 8 US pt. **How do I convert US pints to US gallons?** Multiply the number of US pints by 0.125. For example, 8 US pt × 0.125 = 1 US gal. **How do I convert US gallons back to US pints?** Divide by 0.125 (or multiply by 8), or simply type the value into the US gallons field above. **What is 2 US pt in US gallons?** 2 US pt = 0.25 US gal. **Is this conversion exact?** Yes. The factor comes from the official definitions of both units (NIST and the SI), so the only difference you may see is rounding in the last displayed digit. **Can I convert to other units on this page?** This page converts only between US pints and US gallons. To pick any volume unit, use the general volume converter linked under Related calculators. **What formula does the Pints to Gallons Converter use?** 1 US pt = 0.125 US gal. ## Sources - [NIST Special Publication 811 – Guide for the Use of the International System of Units](https://www.nist.gov/pml/special-publication-811) - [NIST Handbook 44 Appendix C – General tables of units of measurement](https://www.nist.gov/pml/owm/nist-handbook-44-current-edition)