An imperial quart is one quarter of an imperial gallon.
Imperial quarts to Cubic Decimeters Converter — imp qt to dm3
Convert Imperial quart (imp qt) to Cubic Decimeter (dm3) using the exact conversion factor (1 imperial quart = 1.1365225 cubic decimeter). See the formula, worked examples, conversion table, history, and common uses.
Imperial quarts to Cubic Decimeters 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.
Cubic metric volume unit.
Result = input x 0.0011365225 / 0.001.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial quarts to Cubic Decimeters
Imperial quart and Cubic Decimeter 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. Imperial quart is most often used for uk/commonwealth liquid measurement in historical or specialized contexts.
Formula
cubic decimeters = imperial quarts × 1.1365225
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial quart equals 0.0011365225 base units, and 1 cubic decimeter equals 0.001 base units, so dividing one by the other gives the direct imperial quart-to-cubic decimeter factor of 1.1365225.
Simple example
1 imp qt × 1.1365225 = 1.1365225 dm3
1 imperial quart = 1.1365225 cubic decimeters.
Real-world example
10 imp qt × 1.1365225 = 11.365225 dm3
10 imperial quarts = 11.365225 cubic decimeters.
Conversion table
| Imperial quart (imp qt) | Cubic Decimeter (dm3) |
|---|---|
| 1 imp qt | 1.1365225 dm3 |
| 5 imp qt | 5.6826125 dm3 |
| 10 imp qt | 11.365225 dm3 |
| 25 imp qt | 28.4130625 dm3 |
| 50 imp qt | 56.826125 dm3 |
| 100 imp qt | 113.65225 dm3 |
Reverse conversion: Cubic Decimeter to Imperial quart
1.1365225 dm3 × 0.8798769932 = 1 imp qt
1.1365225 cubic decimeters = 1 imperial quarts.
imperial quarts = cubic decimeters × 0.879876993196
For a page dedicated to this direction, see Cubic Decimeter to Imperial quart.
Understanding the Imperial quart
Imperial quart (imp qt) measures volume. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. It is classified as a UK/imperial customary unit.
Where it's used: United Kingdom and Commonwealth countries (historically)
Imperial quart vs. US quart. Like the gallon and pint, the imperial quart is about 20% larger than the US quart, following from Britain's 1824 gallon redefinition.
Uses of the Imperial quart today
- UK/Commonwealth liquid measurement in historical or specialized contexts
History of the Imperial quart
The imperial quart follows directly from the 1824 imperial gallon as one-quarter of it, part of the same UK standardization that diverged from the US gallon system.
Historical origin. Imperial quart was not the invention of a single named person; it developed through the process described above.
Understanding the Cubic Decimeter (dm3)
Cubic metric volume unit.
Imperial quart — sources
- UK Weights and Measures Act 1824 — Basis for the imperial quart via the imperial gallon.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic decimeters are in 1 imperial quart?
1 imperial quart equals 1.1365225 cubic decimeters, using the exact defined conversion factor rather than an estimate.
How do I convert imperial quart to cubic decimeter?
Multiply the imperial quart value by 1.1365225. The converter above does this instantly to whatever precision you set.
How do I convert cubic decimeter back to imperial quart?
Use the reverse factor: 1 cubic decimeter equals 0.8798769932 imperial quarts. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial quart?
Imperial quart (imp qt) measures volume. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. It is classified as a UK/imperial customary unit.
What is a cubic decimeter?
Cubic Decimeter (dm3) is a unit of volume.
Is the imperial quart to cubic decimeter conversion exact?
Yes. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. 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 quart vs. us quart?
Like the gallon and pint, the imperial quart is about 20% larger than the US quart, following from Britain's 1824 gallon redefinition.
Where is the imperial quart still used today?
United Kingdom and Commonwealth countries (historically)