This converter turns imperial pints into US gallons instantly, using the exact factor 1 imperial pint = 0.1501187407 US gallons. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
The British pint: 568.26 millilitres, the legal measure for draught beer. Exactly 231 cubic inches — the US liquid gallon used for fuel and milk.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
imperial pints- The amount you are converting, measured in imperial pints
0.1501187407- The exact number of US gallons in one imperial pint
US gallons- The converted result
How it works, step by step
- Enter the number of imperial pints you want to convert.
- The value is multiplied by 0.1501187407, the exact conversion factor.
- The result is displayed in US gallons, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 imperial pints
Multiply 5 by 0.15011874. That gives 0.750594 US gallons. A quick sanity check: one imperial pint is smaller than one US gallon, so the number should get smaller — and it does.
Converting 72 imperial pints
72 × 0.15011874 = 10.8085 US gallons. Working backwards, 10.8085 ÷ 0.15011874 returns 72 imperial pints, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many US gallons are in one imperial pint?
Exactly 0.1501187407. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert imperial pints to US gallons?
Us Gallons = imperial pints × 0.1501187407. To reverse it, divide instead: imperial pints = US gallons ÷ 0.1501187407, which is the same as multiplying by 6.661393477.
Is the imperial pint bigger than the US gallon?
No. One imperial pint is only 0.150119 of a US gallon, so the US gallon is the larger unit.
Why does my answer differ slightly from other imperial-pints to us-gallons converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a imperial pint?
The British pint: 568.26 millilitres, the legal measure for draught beer.
What is a US gallon?
Exactly 231 cubic inches — the US liquid gallon used for fuel and milk.
Imperial Pints to US gallons reference table
| Imperial Pints | Us Gallons |
|---|---|
| 0.5 pt | 0.075059 gal |
| 1 pt | 0.150119 gal |
| 2 pt | 0.300237 gal |
| 3 pt | 0.450356 gal |
| 5 pt | 0.750594 gal |
| 10 pt | 1.5012 gal |
| 15 pt | 2.2518 gal |
| 20 pt | 3.0024 gal |
| 25 pt | 3.753 gal |
| 50 pt | 7.5059 gal |
| 75 pt | 11.2589 gal |
| 100 pt | 15.0119 gal |
| 250 pt | 37.5297 gal |
| 500 pt | 75.0594 gal |
| 1000 pt | 150.1187 gal |
Exact factor: 1 imperial pint = 0.1501187407 US gallons. Values rounded for display.