This converter turns imperial pints into US fluid ounces instantly, using the exact factor 1 imperial pint = 19.21519881 US fluid ounces. 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. One eighth of a US cup, roughly 29.57 millilitres.
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
19.21519881- The exact number of US fluid ounces in one imperial pint
US fluid ounces- The converted result
How it works, step by step
- Enter the number of imperial pints you want to convert.
- The value is multiplied by 19.21519881, the exact conversion factor.
- The result is displayed in US fluid ounces, 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 19.215199. That gives 96.076 US fluid ounces. A quick sanity check: one imperial pint is larger than one US fluid ounce, so the number should get bigger — and it does.
Converting 72 imperial pints
72 × 19.215199 = 1,383.49 US fluid ounces. Working backwards, 1,383.49 ÷ 19.215199 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 fluid ounces are in one imperial pint?
Exactly 19.21519881. 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 fluid ounces?
Us Fluid Ounces = imperial pints × 19.21519881. To reverse it, divide instead: imperial pints = US fluid ounces ÷ 19.21519881, which is the same as multiplying by 0.05204213654.
Is the imperial pint bigger than the US fluid ounce?
Yes. One imperial pint equals 19.2152 US fluid ounces, so it is the larger unit.
Why does my answer differ slightly from other imperial-pints to us-fluid-ounces 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 fluid ounce?
One eighth of a US cup, roughly 29.57 millilitres.
Imperial Pints to US fluid ounces reference table
| Imperial Pints | Us Fluid Ounces |
|---|---|
| 0.5 pt | 9.6076 fl oz |
| 1 pt | 19.2152 fl oz |
| 2 pt | 38.4304 fl oz |
| 3 pt | 57.6456 fl oz |
| 5 pt | 96.076 fl oz |
| 10 pt | 192.152 fl oz |
| 15 pt | 288.228 fl oz |
| 20 pt | 384.304 fl oz |
| 25 pt | 480.38 fl oz |
| 50 pt | 960.7599 fl oz |
| 75 pt | 1,441.14 fl oz |
| 100 pt | 1,921.52 fl oz |
| 250 pt | 4,803.8 fl oz |
| 500 pt | 9,607.6 fl oz |
| 1000 pt | 19,215.2 fl oz |
Exact factor: 1 imperial pint = 19.21519881 US fluid ounces. Values rounded for display.