A US liquid quart is one quarter of a US gallon.
Quarts to Imperial pints Converter — qt to imp pt
Convert Quart (qt) to Imperial pint (imp pt) using the exact conversion factor (1 quart = 1.665348369 imperial pint). See the formula, worked examples, conversion table, unit comparison, history, and common uses.
Quarts to Imperial pints 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 pint is one eighth of an imperial gallon.
Result = input x 0.000946352946 / 0.00056826125.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Quarts to Imperial pints
Quart and Imperial pint 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. Quart is typically associated with united States (cooking, dairy, motor oil packaging), while Imperial pint is typically associated with united Kingdom, Ireland (beer and cider serving is legally defined in imperial pints).
Formula
imperial pints = quarts × 1.66534836926
This factor comes from each unit's defined relationship to the category's base unit: 1 quart equals 0.000946352946 base units, and 1 imperial pint equals 0.00056826125 base units, so dividing one by the other gives the direct quart-to-imperial pint factor of 1.66534836926.
Simple example
1 qt × 1.665348369 = 1.665348369 imp pt
1 quart = 1.665348369 imperial pints.
Real-world example
10 qt × 1.665348369 = 16.65348369 imp pt
10 quarts = 16.65348369 imperial pints.
Conversion table
| Quart (qt) | Imperial pint (imp pt) |
|---|---|
| 1 qt | 1.665348369 imp pt |
| 5 qt | 8.326741846 imp pt |
| 10 qt | 16.65348369 imp pt |
| 25 qt | 41.63370923 imp pt |
| 50 qt | 83.26741846 imp pt |
| 100 qt | 166.5348369 imp pt |
Reverse conversion: Imperial pint to Quart
1.665348369 imp pt × 0.6004749628 = 0.9999999998 qt
1.665348369 imperial pints = 0.9999999998 quarts.
quarts = imperial pints × 0.600474962752
For a page dedicated to this direction, see Imperial pint to Quart.
Quart vs. Imperial pint
| Aspect | Quart | Imperial pint |
|---|---|---|
| Family | US customary unit | UK/imperial customary unit |
| Typical use | US recipe measurement (larger liquid volumes) | UK and Irish pub beer/cider serving (a legally protected serving size) |
| Where it's used | United States (cooking, dairy, motor oil packaging) | United Kingdom, Ireland (beer and cider serving is legally defined in imperial pints) |
Understanding the Quart
Quart (qt) measures volume. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. It is classified as a US customary unit.
Where it's used: United States (cooking, dairy, motor oil packaging)
Uses of the Quart today
- US recipe measurement (larger liquid volumes)
- US motor oil and automotive fluid packaging
- US dairy and beverage packaging (quart containers)
History of the Quart
The quart ('quarter' of a gallon) follows the same English wine-gallon lineage as the US gallon, retained by the US after England moved to a different imperial standard in 1824.
Historical origin. Quart was not the invention of a single named person; it developed through the process described above.
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.
Quart — sources
- NIST Handbook 44, Appendix C — General tables of units including the US quart definition.
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 imperial pints are in 1 quart?
1 quart equals 1.665348369 imperial pints, using the exact defined conversion factor rather than an estimate.
How do I convert quart to imperial pint?
Multiply the quart value by 1.665348369. The converter above does this instantly to whatever precision you set.
How do I convert imperial pint back to quart?
Use the reverse factor: 1 imperial pint equals 0.6004749628 quarts. You can also use the swap control in the converter above to flip the direction instantly.
What is a quart?
Quart (qt) measures volume. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. It is classified as a US customary unit.
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.
Is the quart to imperial pint 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 quart still used today?
United States (cooking, dairy, motor oil packaging)