This converter turns US fluid ounces into imperial pints instantly, using the exact factor 1 US fluid ounce = 0.05204213654 imperial pints. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
One eighth of a US cup, roughly 29.57 millilitres. The British pint: 568.26 millilitres, the legal measure for draught beer.
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
US fluid ounces- The amount you are converting, measured in US fluid ounces
0.05204213654- The exact number of imperial pints in one US fluid ounce
imperial pints- The converted result
How it works, step by step
- Enter the number of US fluid ounces you want to convert.
- The value is multiplied by 0.05204213654, the exact conversion factor.
- The result is displayed in imperial pints, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 US fluid ounces
Multiply 5 by 0.052042137. That gives 0.260211 imperial pints. A quick sanity check: one US fluid ounce is smaller than one imperial pint, so the number should get smaller — and it does.
Converting 72 US fluid ounces
72 × 0.052042137 = 3.747 imperial pints. Working backwards, 3.747 ÷ 0.052042137 returns 72 US fluid ounces, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many imperial pints are in one US fluid ounce?
Exactly 0.05204213654. 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 US fluid ounces to imperial pints?
Imperial Pints = US fluid ounces × 0.05204213654. To reverse it, divide instead: US fluid ounces = imperial pints ÷ 0.05204213654, which is the same as multiplying by 19.21519881.
Is the US fluid ounce bigger than the imperial pint?
No. One US fluid ounce is only 0.0520421 of a imperial pint, so the imperial pint is the larger unit.
Why does my answer differ slightly from other us-fluid-ounces to imperial-pints 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 US fluid ounce?
One eighth of a US cup, roughly 29.57 millilitres.
What is a imperial pint?
The British pint: 568.26 millilitres, the legal measure for draught beer.
Us Fluid Ounces to imperial pints reference table
| Us Fluid Ounces | Imperial Pints |
|---|---|
| 0.5 fl oz | 0.026021 pt |
| 1 fl oz | 0.052042 pt |
| 2 fl oz | 0.104084 pt |
| 3 fl oz | 0.156126 pt |
| 5 fl oz | 0.260211 pt |
| 10 fl oz | 0.520421 pt |
| 15 fl oz | 0.780632 pt |
| 20 fl oz | 1.0408 pt |
| 25 fl oz | 1.3011 pt |
| 50 fl oz | 2.6021 pt |
| 75 fl oz | 3.9032 pt |
| 100 fl oz | 5.2042 pt |
| 250 fl oz | 13.0105 pt |
| 500 fl oz | 26.0211 pt |
| 1000 fl oz | 52.0421 pt |
Exact factor: 1 US fluid ounce = 0.05204213654 imperial pints. Values rounded for display.