This converter turns US cups into imperial pints instantly, using the exact factor 1 US cup = 0.4163370923 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.
The US legal cup used in recipes: 240 mL, or 236.6 mL by the customary definition. 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 cups- The amount you are converting, measured in US cups
0.4163370923- The exact number of imperial pints in one US cup
imperial pints- The converted result
How it works, step by step
- Enter the number of US cups you want to convert.
- The value is multiplied by 0.4163370923, 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 cups
Multiply 5 by 0.41633709. That gives 2.0817 imperial pints. A quick sanity check: one US cup is smaller than one imperial pint, so the number should get smaller — and it does.
Converting 72 US cups
72 × 0.41633709 = 29.9763 imperial pints. Working backwards, 29.9763 ÷ 0.41633709 returns 72 US cups, 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 cup?
Exactly 0.4163370923. 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 cups to imperial pints?
Imperial Pints = US cups × 0.4163370923. To reverse it, divide instead: US cups = imperial pints ÷ 0.4163370923, which is the same as multiplying by 2.401899851.
Is the US cup bigger than the imperial pint?
No. One US cup is only 0.416337 of a imperial pint, so the imperial pint is the larger unit.
Why does my answer differ slightly from other cups 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 cup?
The US legal cup used in recipes: 240 mL, or 236.6 mL by the customary definition.
What is a imperial pint?
The British pint: 568.26 millilitres, the legal measure for draught beer.
Us Cups to imperial pints reference table
| Us Cups | Imperial Pints |
|---|---|
| 0.5 cup | 0.208169 pt |
| 1 cup | 0.416337 pt |
| 2 cup | 0.832674 pt |
| 3 cup | 1.249 pt |
| 5 cup | 2.0817 pt |
| 10 cup | 4.1634 pt |
| 15 cup | 6.2451 pt |
| 20 cup | 8.3267 pt |
| 25 cup | 10.4084 pt |
| 50 cup | 20.8169 pt |
| 75 cup | 31.2253 pt |
| 100 cup | 41.6337 pt |
| 250 cup | 104.0843 pt |
| 500 cup | 208.1685 pt |
| 1000 cup | 416.3371 pt |
Exact factor: 1 US cup = 0.4163370923 imperial pints. Values rounded for display.