Imperial pint to US fluid ounce
imp pt
us fl oz
Conversion History
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Quick Reference Table (Imperial pint to US fluid ounce)
| Imperial pint (imp pt) | US fluid ounce (us fl oz) |
|---|---|
| 0.5 | 9.60759940408344430593 |
| 1 | 19.21519880816688861186 |
| 2 | 38.43039761633377722371 |
| 4 | 76.86079523266755444742 |
| 8 | 153.72159046533510889485 |
About Imperial pint (imp pt)
The imperial pint is a unit of volume equal to one eighth of an imperial gallon, approximately 568.3 milliliters (20 imperial fluid ounces). It is the standard serving size for draft beer and cider in the United Kingdom, Ireland, and Australia. Despite UK metrication, the pint survives as the legally mandated unit for selling draft beer and milk in UK pubs and shops. The imperial pint is notably 20% larger than the US liquid pint (473 mL).
A pint of beer in a UK or Irish pub is exactly 568 mL (1 imperial pint). A UK pint of milk is 568 mL.
About US fluid ounce (us fl oz)
The US fluid ounce (fl oz) is a unit of volume equal to approximately 29.574 milliliters, one sixteenth of a US liquid pint. It is the primary small-volume unit on US food labels, beverage cans, and pharmaceutical liquid measurements. A standard US soda can is 12 fl oz; a coffee shop "tall" is 12 fl oz; a standard shot is 1.5 fl oz. The US fluid ounce is distinct from the imperial fluid ounce (28.413 mL) and should not be confused with the ounce as a unit of mass.
A US soda can is 12 fl oz (355 mL). A US shot glass holds 1.5 fl oz (44 mL). A US water bottle is commonly 16.9 fl oz (500 mL).
Imperial pint – Frequently Asked Questions
How many milliliters is a UK pint?
One imperial (UK) pint equals exactly 568.26 mL (20 imperial fluid ounces). A UK pint glass holds just over half a liter.
Why is beer still sold by the pint in the UK?
The UK is legally permitted to sell draft beer and cider in pints under exemptions to metrication rules. The pint is a protected official supplementary unit for draft alcohol. Milk may also be sold in pints.
Is an Irish pint the same as a UK pint?
Yes, an Irish pint is an imperial pint — 568 mL. A pint at an Irish pub is 20 imperial fluid ounces, identical to a UK pint.
How does an Australian pint compare to a UK pint?
In Australian pubs, a "pint" is technically 568 mL, but serving sizes vary by state. In South Australia and Western Australia, a "pint" is actually 425 mL. Australian glassware terminology is notoriously inconsistent.
How many fluid ounces are in an imperial pint?
One imperial pint equals exactly 20 imperial fluid ounces. A US pint equals 16 US fluid ounces. The fluid ounce sizes also differ slightly (28.41 mL imperial vs 29.57 mL US), compounding the pint size difference.
US fluid ounce – Frequently Asked Questions
What is the difference between a fluid ounce and an ounce?
A fluid ounce (fl oz) is a unit of volume; an ounce (oz) is a unit of mass/weight. One US fluid ounce of water happens to weigh approximately 1.04 avoirdupois ounces — close but not equal. For other liquids, the mass per fl oz varies with density.
How many fluid ounces are in a US cup?
There are exactly 8 US fluid ounces in one US cup (240 mL). A pint is 16 fl oz, a quart is 32 fl oz, and a gallon is 128 fl oz.
What is the difference between US and imperial fluid ounces?
A US fluid ounce is approximately 29.574 mL; an imperial (UK) fluid ounce is approximately 28.413 mL — about 4% smaller. A US pint (16 fl oz) is 473 mL while a UK pint (20 fl oz) is 568 mL, a 20% difference that significantly affects beverage serving sizes.
How many fluid ounces are in a standard water bottle?
The most common US bottled water size is 16.9 fl oz (500 mL). Other sizes include 8 fl oz (237 mL), 20 fl oz (591 mL), and 33.8 fl oz (1 liter).
How many fl oz are in a standard US wine pour?
A standard US restaurant wine pour is 5 fl oz (148 mL). A 750 mL wine bottle yields approximately 5 pours of 5 fl oz each.