Imperial pint to Cubic decimeter
imp pt
dm³
Conversion History
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|---|---|---|
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Quick Reference Table (Imperial pint to Cubic decimeter)
| Imperial pint (imp pt) | Cubic decimeter (dm³) |
|---|---|
| 0.5 | 0.284130625 |
| 1 | 0.56826125 |
| 2 | 1.1365225 |
| 4 | 2.273045 |
| 8 | 4.54609 |
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 Cubic decimeter (dm³)
A cubic decimeter (dm³) is the volume of a cube with sides of 10 centimeters, exactly equal to one liter (1 dm³ = 1 L). This equivalence is exact and defined by the SI. The cubic decimeter appears in physics and chemistry textbooks as the formal SI expression of volume where liters are used in practice, and in engineering calculations requiring dimensional consistency. One dm³ of pure water at 4°C has a mass of exactly one kilogram.
A standard 1-liter water bottle contains exactly 1 dm³. A typical lunchbox has a volume of roughly 2–3 dm³.
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.
Cubic decimeter – Frequently Asked Questions
Is a cubic decimeter the same as a liter?
Yes, exactly. One cubic decimeter (dm³) is defined as equal to one liter (L). This is the foundational link between the cubic metric system and the liter-based system used in everyday measurement.
Why do textbooks use dm³ instead of liter?
In formal SI notation, volume is expressed in cubic meters or submultiples like dm³. The liter is accepted but technically non-SI. Chemistry texts use dm³ to maintain dimensional consistency, though liter and dm³ are completely interchangeable.
How many cubic decimeters are in a cubic meter?
There are 1,000 cubic decimeters in one cubic meter (m³), because 1 m = 10 dm and 10³ = 1,000. This also means 1 m³ = 1,000 liters.
What is the relationship between dm³ and cm³?
One cubic decimeter equals 1,000 cubic centimeters (cm³). Since 1 cm³ = 1 mL, it follows that 1 dm³ = 1 L = 1,000 mL — fully consistent within the metric system.
Where is the cubic decimeter used in practice?
The cubic decimeter appears primarily in scientific and educational contexts, particularly chemistry and physics where SI units are preferred. In everyday life, the liter is used instead — but they refer to the same volume.