Cubic decimeter to Imperial quart
dm³
imp qt
Conversion History
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|---|---|---|
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Quick Reference Table (Cubic decimeter to Imperial quart)
| Cubic decimeter (dm³) | Imperial quart (imp qt) |
|---|---|
| 0.5 | 0.43993849659999877725 |
| 1 | 0.8798769931999975545 |
| 2 | 1.75975398639999510901 |
| 5 | 4.39938496599998777252 |
| 10 | 8.79876993199997554503 |
| 20 | 17.59753986399995109007 |
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.
About Imperial quart (imp qt)
The imperial quart is a unit of volume equal to one quarter of an imperial gallon, approximately 1.136 liters. It is used in the UK and Commonwealth countries for liquid measurement, though everyday use has declined since metrication. An imperial quart is larger than both the US liquid quart (946 mL) and just slightly larger than one liter. Historically, motor oil was sold in imperial quart cans in the UK; today, liter bottles have replaced them.
Pre-metrication UK motor oil was sold in imperial quart cans. An imperial quart is just over two UK pints.
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.
Imperial quart – Frequently Asked Questions
How many milliliters are in an imperial quart?
One imperial quart equals approximately 1,136.5 mL (about 1.137 liters). It is larger than both the US liquid quart (946.4 mL) and slightly larger than a liter.
How does an imperial quart compare to a US quart?
An imperial quart (1,136.5 mL) is about 20% larger than a US liquid quart (946.4 mL) — the same proportion as between the imperial and US gallons.
Is the imperial quart still used?
The imperial quart is rarely used in modern everyday life in the UK, Australia, or Canada following metrication. It may appear in older recipes, industrial standards, and some agricultural trade documents.
How many imperial fluid ounces are in an imperial quart?
One imperial quart contains 40 imperial fluid ounces (1 quart = 2 pints = 40 fl oz). A US quart = 32 US fluid ounces.
What countries use the imperial quart?
No major country officially uses the imperial quart for trade or labeling today. The UK, Canada, Australia, and New Zealand have all metricated. The unit may persist in informal speech or older documentation.