An imperial quart is one quarter of an imperial gallon.
Imperial quarts to Deciliters Converter — imp qt to dL
Convert Imperial quart (imp qt) to Deciliter (dL) using the exact conversion factor (1 imperial quart = 11.365225 deciliter). See the formula, worked examples, conversion table, history, and common uses.
Imperial quarts to Deciliters converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Deciliter is 0.1 liter units.
Result = input x 0.0011365225 / 0.0001.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial quarts to Deciliters
Imperial quart and Deciliter 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
deciliters = imperial quarts × 11.365225
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 deciliter equals 0.0001 base units, so dividing one by the other gives the direct imperial quart-to-deciliter factor of 11.365225.
Simple example
1 imp qt × 11.365225 = 11.365225 dL
1 imperial quart = 11.365225 deciliters.
Real-world example
10 imp qt × 11.365225 = 113.65225 dL
10 imperial quarts = 113.65225 deciliters.
Conversion table
| Imperial quart (imp qt) | Deciliter (dL) |
|---|---|
| 1 imp qt | 11.365225 dL |
| 5 imp qt | 56.826125 dL |
| 10 imp qt | 113.65225 dL |
| 25 imp qt | 284.130625 dL |
| 50 imp qt | 568.26125 dL |
| 100 imp qt | 1,136.5225 dL |
Reverse conversion: Deciliter to Imperial quart
11.365225 dL × 0.08798769932 = 1 imp qt
11.365225 deciliters = 1 imperial quart.
imperial quarts = deciliters × 0.0879876993196
For a page dedicated to this direction, see Deciliter 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 Deciliter (dL)
Deciliter is 0.1 liter units.
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 deciliters are in 1 imperial quart?
1 imperial quart equals 11.365225 deciliters, using the exact defined conversion factor rather than an estimate.
How do I convert imperial quart to deciliter?
Multiply the imperial quart value by 11.365225. The converter above does this instantly to whatever precision you set.
How do I convert deciliter back to imperial quart?
Use the reverse factor: 1 deciliter equals 0.0879876993 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 deciliter?
Deciliter (dL) is a unit of volume.
Is the imperial quart to deciliter 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)