An imperial pint is one eighth of an imperial gallon.
Imperial pints to Cubic Millimeters Converter — imp pt to mm3
Convert Imperial pint (imp pt) to Cubic Millimeter (mm3) using the exact conversion factor (1 imperial pint = 568,261.25 cubic millimeter). See the formula, worked examples, conversion table, history, and common uses.
Imperial pints to Cubic Millimeters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
Cubic metric volume unit.
Result = input x 0.00056826125 / 1e-9.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial pints to Cubic Millimeters
Imperial pint and Cubic Millimeter appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Imperial pint is most often used for uk and irish pub beer/cider serving (a legally protected serving size).
Formula
cubic millimeters = imperial pints × 568261.25
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial pint equals 0.00056826125 base units, and 1 cubic millimeter equals 1e-9 base units, so dividing one by the other gives the direct imperial pint-to-cubic millimeter factor of 568261.25.
Simple example
1 imp pt × 568261.25 = 568,261.25 mm3
1 imperial pint = 568,261.25 cubic millimeters.
Real-world example
10 imp pt × 568261.25 = 5,682,612.5 mm3
10 imperial pints = 5,682,612.5 cubic millimeters.
Conversion table
| Imperial pint (imp pt) | Cubic Millimeter (mm3) |
|---|---|
| 1 imp pt | 568,261.25 mm3 |
| 5 imp pt | 2,841,306.25 mm3 |
| 10 imp pt | 5,682,612.5 mm3 |
| 25 imp pt | 14,206,531.25 mm3 |
| 50 imp pt | 28,413,062.5 mm3 |
| 100 imp pt | 56,826,125 mm3 |
Reverse conversion: Cubic Millimeter to Imperial pint
1 mm3 × 0.000001759753986 = 0.0000017598 imp pt
1 cubic millimeter = 0.0000017598 imperial pints.
imperial pints = cubic millimeters × 0.00000175975398639
For a page dedicated to this direction, see Cubic Millimeter to Imperial pint.
Understanding the Imperial pint
Imperial pint (imp pt) measures volume. The imperial pint is one-eighth of an imperial gallon: exactly 0.56826125 liters — notably the standard UK beer serving size. It is classified as a UK/imperial customary unit.
Where it's used: United Kingdom, Ireland (beer and cider serving is legally defined in imperial pints)
Imperial pint vs. US pint. The imperial pint (568 mL) is about 20% larger than the US pint (473 mL) — a British 'pint of beer' is meaningfully more beer than an American one.
Uses of the Imperial pint today
- UK and Irish pub beer/cider serving (a legally protected serving size)
- UK milk delivery (historically and in some contexts still)
History of the Imperial pint
The imperial pint follows from Britain's 1824 imperial gallon; it remains legally protected as the mandatory serving measure for draught beer and cider in UK and Irish pubs, one of the few contexts where imperial units remain legally mandated in the UK's otherwise largely metric system.
Historical origin. Imperial pint was not the invention of a single named person; it developed through the process described above.
Understanding the Cubic Millimeter (mm3)
Cubic metric volume unit.
Imperial pint — sources
- UK Weights and Measures Act 1985 — Maintains the imperial pint as the legal draught beer/cider serving measure.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic millimeters are in 1 imperial pint?
1 imperial pint equals 568,261.25 cubic millimeters, using the exact defined conversion factor rather than an estimate.
How do I convert imperial pint to cubic millimeter?
Multiply the imperial pint value by 568261.25. The converter above does this instantly to whatever precision you set.
How do I convert cubic millimeter back to imperial pint?
Use the reverse factor: 1 cubic millimeter equals 0.0000017598 imperial pints. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial pint?
Imperial pint (imp pt) measures volume. The imperial pint is one-eighth of an imperial gallon: exactly 0.56826125 liters — notably the standard UK beer serving size. It is classified as a UK/imperial customary unit.
What is a cubic millimeter?
Cubic Millimeter (mm3) is a unit of volume.
Is the imperial pint to cubic millimeter conversion exact?
Yes. The imperial pint is one-eighth of an imperial gallon: exactly 0.56826125 liters — notably the standard UK beer serving size. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
What is the difference between imperial pint vs. us pint?
The imperial pint (568 mL) is about 20% larger than the US pint (473 mL) — a British 'pint of beer' is meaningfully more beer than an American one.
Where is the imperial pint still used today?
United Kingdom, Ireland (beer and cider serving is legally defined in imperial pints)