Volume · Unit Converter

Convert Imperial Quart to Cubic Decimeter

Convert imperial quarts to cubic decimeters instantly. 1 imperial quart = 1.1365225 cubic decimeter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Cubic Decimeter to Imperial Quart converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Jaya Christiyan K G, Ph.D.
Volume category 2 min read Published Last reviewed Updated

Units explained

Imperial (UK)

Imperial Quart

What is a imperial quart?

An imperial quart is one quarter of an imperial gallon (1.13652 L).

Origin of the imperial quart

A subdivision of the 1824 imperial gallon.

Where it is used

Used in the UK and Commonwealth.

When and where it was developed

UK, 1824.

Metric / SI

Cubic Decimeter

What is a cubic decimeter?

A cubic decimeter is the volume of a cube one decimeter on a side, exactly equal to one liter (0.001 m³).

Origin of the cubic decimeter

Derived from the decimeter; in 1964 the CGPM defined the liter as exactly one cubic decimeter.

Where it is used

Common in chemistry and engineering as an exact synonym for the liter.

When and where it was developed

CGPM, 1964.

Imperial Quart to Cubic Decimeter conversion formula

The relationship between imperial quarts and cubic decimeters:

1 qt = 1.1365225 dm³
1 dm³ = 0.8798769932 qt

To convert imperial quarts to cubic decimeters, multiply the value in imperial quarts by 1.1365225. To reverse, multiply cubic decimeters by 0.8798769932.

How to use this converter

Type a value into the calculator. The result in cubic decimeters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Cubic Decimeter to Imperial Quart converter for the reverse direction.

Step-by-step: convert imperial quarts to cubic decimeters

  1. Write down the value in imperial quarts (qt).
  2. Multiply that value by the factor 1.1365225.
  3. The product is the equivalent value in cubic decimeters (dm³).
  4. To reverse, multiply the cubic decimeter value by 0.8798769932.

Worked examples

Example 1 — Convert 1 qt to dm³:
1 × 1.1365225 = 1.1365225 dm³

Example 2 — Convert 100 qt to dm³:
100 × 1.1365225 = 113.65225 dm³

Real-world example — Hardware-scale dimensions

A 10-imperial quart fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between imperial quarts and cubic decimeters daily when mixing metric and imperial tools.

10 qt × 1.1365225 = 11.365225 dm³

Real-world example — Postcard and small-object dimensions

A postcard is about 5 imperial quarts wide. Converting to cubic decimeters is essential for international postal addressing forms that ask for dimensions in different units across countries.

5 qt × 1.1365225 = 5.6826125 dm³

Real-world example — Ruler-scale measurements

A 30-imperial quart school ruler converts cleanly to cubic decimeters — useful when buying a desk accessory from a retailer whose product specs use a different unit.

30 qt × 1.1365225 = 34.095675 dm³

Imperial Quart to Cubic Decimeter conversion table

Standard reference values for converting imperial quarts to cubic decimeters:

Imperial Quart [qt]Cubic Decimeter [dm³]
0.010.011365225
0.10.11365225
11.1365225
22.273045
33.4095675
44.54609
55.6826125
1011.365225
2022.73045
3034.095675
4045.4609
5056.826125
100113.65225
500568.26125
10001136.5225

Frequently asked questions

How many cubic decimeters is 1 imperial quart?
1 imperial quart equals 1.1365225 cubic decimeter.
How do I convert imperial quarts to cubic decimeters?
Multiply the value in imperial quarts by 1.1365225 to get cubic decimeters.
How do I convert cubic decimeters back to imperial quarts?
Multiply the value in cubic decimeters by 0.8798769932, or use the Cubic Decimeter to Imperial Quart converter.
How many cubic decimeters is 100 imperial quarts?
100 imperial quarts equals 113.65225 cubic decimeters, because 100 × 1.1365225 = 113.65225.

Convert Imperial Quart to other volume units

Show all Imperial Quart conversions

Sources & references

Conversion factor (1 qt = 1.1365225 dm³) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.