An imperial pint is one eighth of an imperial gallon.
Imperial pints to Imperial quarts Converter — imp pt to imp qt
Convert Imperial pint (imp pt) to Imperial quart (imp qt) using the exact conversion factor (1 imperial pint = 0.5 imperial quart). See the formula, worked examples, conversion table, unit comparison, history, and common uses.
Imperial pints to Imperial quarts 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.
An imperial quart is one quarter of an imperial gallon.
Result = input x 0.00056826125 / 0.0011365225.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial pints to Imperial quarts
Imperial pint and Imperial quart 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 typically associated with united Kingdom, Ireland (beer and cider serving is legally defined in imperial pints), while Imperial quart is typically associated with united Kingdom and Commonwealth countries (historically).
Formula
imperial quarts = imperial pints × 0.5
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 imperial quart equals 0.0011365225 base units, so dividing one by the other gives the direct imperial pint-to-imperial quart factor of 0.5.
Simple example
1 imp pt × 0.5 = 0.5 imp qt
1 imperial pint = 0.5 imperial quarts.
Real-world example
10 imp pt × 0.5 = 5 imp qt
10 imperial pints = 5 imperial quarts.
Conversion table
| Imperial pint (imp pt) | Imperial quart (imp qt) |
|---|---|
| 1 imp pt | 0.5 imp qt |
| 5 imp pt | 2.5 imp qt |
| 10 imp pt | 5 imp qt |
| 25 imp pt | 12.5 imp qt |
| 50 imp pt | 25 imp qt |
| 100 imp pt | 50 imp qt |
Reverse conversion: Imperial quart to Imperial pint
0.5 imp qt × 2 = 1 imp pt
0.5 imperial quarts = 1 imperial pint.
imperial pints = imperial quarts × 2
For a page dedicated to this direction, see Imperial quart to Imperial pint.
Imperial pint vs. Imperial quart
| Aspect | Imperial pint | Imperial quart |
|---|---|---|
| Family | UK/imperial customary unit | UK/imperial customary unit |
| Typical use | UK and Irish pub beer/cider serving (a legally protected serving size) | UK/Commonwealth liquid measurement in historical or specialized contexts |
| Where it's used | United Kingdom, Ireland (beer and cider serving is legally defined in imperial pints) | United Kingdom and Commonwealth countries (historically) |
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 Imperial quart
Imperial quart (imp qt) measures volume. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. It is classified as a UK/imperial customary unit.
Where it's used: United Kingdom and Commonwealth countries (historically)
Imperial quart vs. US quart. Like the gallon and pint, the imperial quart is about 20% larger than the US quart, following from Britain's 1824 gallon redefinition.
Uses of the Imperial quart today
- UK/Commonwealth liquid measurement in historical or specialized contexts
History of the Imperial quart
The imperial quart follows directly from the 1824 imperial gallon as one-quarter of it, part of the same UK standardization that diverged from the US gallon system.
Historical origin. Imperial quart was not the invention of a single named person; it developed through the process described above.
Imperial pint — sources
- UK Weights and Measures Act 1985 — Maintains the imperial pint as the legal draught beer/cider serving measure.
Imperial quart — sources
- UK Weights and Measures Act 1824 — Basis for the imperial quart via the imperial gallon.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial quarts are in 1 imperial pint?
1 imperial pint equals 0.5 imperial quarts, using the exact defined conversion factor rather than an estimate.
How do I convert imperial pint to imperial quart?
Multiply the imperial pint value by 0.5. The converter above does this instantly to whatever precision you set.
How do I convert imperial quart back to imperial pint?
Use the reverse factor: 1 imperial quart equals 2 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 imperial quart?
Imperial quart (imp qt) measures volume. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. It is classified as a UK/imperial customary unit.
Is the imperial pint to imperial quart conversion exact?
Yes. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. 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)