Milliliters and pints are both common volume units, but the size of a pint changes depending on where you are. A US liquid pint holds 473.176 ml, while a UK imperial pint holds 568.261 ml — about 20% larger. This calculator converts between milliliters and pints and also shows related US cups, fluid ounces, and liters, so you can compare measurements instantly.
Use it for recipes, beverage nutrition tracking, meal prep, or any time you're working with labels that list volume in ml but you think in pints. It's especially handy when reading imported product labels or adapting recipes between US and UK cookbooks — the wrong pint can throw off portion sizes and calorie estimates.
Whether you're measuring a can of beer, a carton of milk, or a batch of soup, enter the volume, pick your direction, and get an accurate conversion in seconds.
📏 Convert Milliliters to Pints
US and imperial pint conversions with related volume units
The Math Behind the Conversion
A milliliter is a metric unit of volume equal to one-thousandth of a liter, while the pint is a traditional unit with different definitions in different countries. In the United States, the liquid pint is legally defined as one-eighth of a US gallon, which works out to 473.176 ml. In the United Kingdom and many Commonwealth countries, the imperial pint is one-eighth of an imperial gallon, which equals 568.26125 ml.
The four formulas used by this calculator are:
- US pints = milliliters ÷ 473.176
- Imperial pints = milliliters ÷ 568.261
- Milliliters from US pints = pints × 473.176
- Milliliters from imperial pints = pints × 568.261
The difference matters in the kitchen: an imperial pint is about 95 ml larger than a US pint. Use the wrong one and you'll either overshoot or undershoot portion sizes, which directly affects nutrition tracking, hydration goals, and recipe yields.
Step-by-Step Guide
- Choose the direction: milliliters to pints, or pints to milliliters.
- Enter the volume amount in the number field. Use decimals for partial amounts, e.g. 0.5 or 750.5.
- If converting from pints to milliliters, select the pint standard — US liquid or UK imperial.
- Click Calculate. Read the main result plus the breakdown of cups, fluid ounces, and liters. Use Reset to clear the form.
You can also tap any of the quick amount buttons (250 ml, 330 ml, 473 ml, 568 ml, 750 ml, 1000 ml) to instantly fill the input and run the conversion.
US Pint vs Imperial Pint Reference Table
| Milliliters | US liquid pints | Imperial pints | US cups |
|---|---|---|---|
| 100 | 0.211 | 0.176 | 0.423 |
| 250 | 0.528 | 0.440 | 1.057 |
| 330 | 0.697 | 0.581 | 1.395 |
| 473 | 1.000 | 0.832 | 2.000 |
| 500 | 1.057 | 0.880 | 2.113 |
| 568 | 1.200 | 1.000 | 2.400 |
| 750 | 1.585 | 1.320 | 3.170 |
| 1000 | 2.113 | 1.760 | 4.227 |
Values are rounded to three decimal places. For everyday cooking, remember 1 US pint ≈ 473 ml and 1 imperial pint ≈ 568 ml; for calorie-accurate nutrition work, use the full factors.
Worked Examples
Example 1 — Smoothie recipe. Your blender recipe calls for 500 ml of almond milk. Convert to US pints: 500 ÷ 473.176 = 1.057 pints. Convert to imperial pints: 500 ÷ 568.261 = 0.880 pints. If the nutrition label bases servings on a US pint, that 500 ml portion is just over one serving.
Example 2 — Bottled beer. A standard 330 ml beer bottle converts to 330 ÷ 473.176 = 0.70 US pints or 330 ÷ 568.261 = 0.58 imperial pints. A UK pub serving is a full imperial pint (568 ml), so ordering a 330 ml bottle means you're drinking just over half a pub pint.
Example 3 — Reverse conversion. A recipe asks for 1.5 US pints of stock. In milliliters: 1.5 × 473.176 = 709.8 ml. If you mistakenly use the imperial factor, you'd get 852.4 ml — over 140 ml extra liquid.
Common Mistakes to Avoid
- Using the wrong pint standard. US nutrition databases assume 473 ml per pint; UK and EU databases often use 568 ml. Confirm which system your food label or recipe uses before logging.
- Rounding too early. Converting 500 ml to "about 1 pint" then using 1 pint later introduces roughly a 27 ml error per pint. Keep the full factor until the final result.
- Mixing US and imperial volume units. A US fluid ounce is 29.5735 ml, while an imperial fluid ounce is 28.413 ml. If you convert pints to cups or ounces, keep both sides in the same measurement system.
Frequently Asked Questions
How many milliliters are in a pint?
In the United States, one liquid pint equals 473.176 ml. In the UK, one imperial pint equals 568.261 ml. This calculator gives both answers for every milliliter value.
Why is a US pint smaller than a UK pint?
The two systems developed from different gallon definitions. The US gallon is based on the old English wine gallon of 231 cubic inches, while the imperial gallon was redefined in 1824 as exactly 4.54609 liters. Each gallon contains 8 pints, so the pints inherit the difference.
Can I use this for dry ingredients like flour?
No. This tool handles liquid volumes only. Dry ingredients sold by volume in the US can use the dry pint (about 550.61 ml), but nutrition labels and recipes intended for home cooking almost always treat pints as liquid pints.
Does one imperial pint equal one US pint in alcohol content?
No. An imperial pint is 568 ml versus 473 ml for a US pint, so the same beer served in both glasses contains about 20% more beer in the imperial pint. That difference changes alcohol and calorie totals.
For more detail on the history and legal definitions of the pint, see the Wikipedia article on the pint.