An imperial pint is one eighth of an imperial gallon.
Imperial pints to Cubic inches Converter — imp pt to in3
Convert Imperial pint (imp pt) to Cubic inch (in3) using the exact conversion factor (1 imperial pint = 34.6774291 cubic inch). See the formula, worked examples, conversion table, history, and common uses.
Imperial pints to Cubic inches 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.
A cubic inch is the volume of a one-inch cube.
Result = input x 0.00056826125 / 1.6387064e-5.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial pints to Cubic inches
Imperial pint and Cubic inch 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 inches = imperial pints × 34.677429099
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 inch equals 0.000016387064 base units, so dividing one by the other gives the direct imperial pint-to-cubic inch factor of 34.677429099.
Simple example
1 imp pt × 34.6774291 = 34.6774291 in3
1 imperial pint = 34.6774291 cubic inches.
Real-world example
10 imp pt × 34.6774291 = 346.774291 in3
10 imperial pints = 346.774291 cubic inches.
Conversion table
| Imperial pint (imp pt) | Cubic inch (in3) |
|---|---|
| 1 imp pt | 34.6774291 in3 |
| 5 imp pt | 173.3871455 in3 |
| 10 imp pt | 346.774291 in3 |
| 25 imp pt | 866.9357275 in3 |
| 50 imp pt | 1,733.871455 in3 |
| 100 imp pt | 3,467.74291 in3 |
Reverse conversion: Cubic inch to Imperial pint
34.6774291 in3 × 0.0288372012 = 1 imp pt
34.6774291 cubic inches = 1 imperial pints.
imperial pints = cubic inches × 0.0288372011993
For a page dedicated to this direction, see Cubic inch 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 inch (in3)
A cubic inch is the volume of a one-inch cube.
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 inches are in 1 imperial pint?
1 imperial pint equals 34.6774291 cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert imperial pint to cubic inch?
Multiply the imperial pint value by 34.6774291. The converter above does this instantly to whatever precision you set.
How do I convert cubic inch back to imperial pint?
Use the reverse factor: 1 cubic inch equals 0.0288372012 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 inch?
Cubic inch (in3) is a unit of volume.
Is the imperial pint to cubic inch 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)