A US liquid pint is one eighth of a US gallon.
Pints to Imperial pints Converter — pt to imp pt
Convert Pint (pt) to Imperial pint (imp pt) using the exact conversion factor (1 pint = 0.8326741846 imperial pint). See the formula, worked examples, conversion table, unit comparison, history, and common uses.
Pints 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 0.000473176473 / 0.00056826125.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pints to Imperial pints
Pint 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. Pint is typically associated with united States (beer serving, cooking, dairy), while Imperial pint is typically associated with united Kingdom, Ireland (beer and cider serving is legally defined in imperial pints).
Formula
imperial pints = pints × 0.832674184629
This factor comes from each unit's defined relationship to the category's base unit: 1 pint equals 0.000473176473 base units, and 1 imperial pint equals 0.00056826125 base units, so dividing one by the other gives the direct pint-to-imperial pint factor of 0.832674184629.
Simple example
1 pt × 0.8326741846 = 0.8326741846 imp pt
1 pint = 0.8326741846 imperial pints.
Real-world example
10 pt × 0.8326741846 = 8.326741846 imp pt
10 pints = 8.326741846 imperial pints.
Conversion table
| Pint (pt) | Imperial pint (imp pt) |
|---|---|
| 1 pt | 0.8326741846 imp pt |
| 5 pt | 4.163370923 imp pt |
| 10 pt | 8.326741846 imp pt |
| 25 pt | 20.81685462 imp pt |
| 50 pt | 41.63370923 imp pt |
| 100 pt | 83.26741846 imp pt |
Reverse conversion: Imperial pint to Pint
0.8326741846 imp pt × 1.200949926 = 1 pt
0.8326741846 imperial pints = 1 pints.
pints = imperial pints × 1.2009499255
For a page dedicated to this direction, see Imperial pint to Pint.
Pint vs. Imperial pint
| Aspect | Pint | Imperial pint |
|---|---|---|
| Family | US customary unit | UK/imperial customary unit |
| Typical use | US beer and beverage serving sizes | UK and Irish pub beer/cider serving (a legally protected serving size) |
| Where it's used | United States (beer serving, cooking, dairy) | United Kingdom, Ireland (beer and cider serving is legally defined in imperial pints) |
Understanding the Pint
Pint (pt) measures volume. The US liquid pint is one-eighth of a US gallon: exactly 0.473176473 liters. It is classified as a US customary unit.
Where it's used: United States (beer serving, cooking, dairy)
Uses of the Pint today
- US beer and beverage serving sizes
- US recipe measurement
- US dairy packaging (pint containers)
History of the Pint
The pint follows the same English wine-gallon lineage as the US gallon and quart, retained by the US after Britain's 1824 switch to a different imperial gallon standard.
Historical origin. Pint 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.
Pint — sources
- NIST Handbook 44, Appendix C — General tables of units including the US pint 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 pint?
1 pint equals 0.8326741846 imperial pints, using the exact defined conversion factor rather than an estimate.
How do I convert pint to imperial pint?
Multiply the pint value by 0.8326741846. The converter above does this instantly to whatever precision you set.
How do I convert imperial pint back to pint?
Use the reverse factor: 1 imperial pint equals 1.200949926 pints. You can also use the swap control in the converter above to flip the direction instantly.
What is a pint?
Pint (pt) measures volume. The US liquid pint is one-eighth of a US gallon: exactly 0.473176473 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 pint 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 pint still used today?
United States (beer serving, cooking, dairy)