An imperial quart is one quarter of an imperial gallon.
Imperial quarts to Cubic inches Converter — imp qt to in3
Convert Imperial quart (imp qt) to Cubic inch (in3) using the exact conversion factor (1 imperial quart = 69.3548582 cubic inch). See the formula, worked examples, conversion table, history, and common uses.
Imperial quarts to Cubic inches 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.
A cubic inch is the volume of a one-inch cube.
Result = input x 0.0011365225 / 1.6387064e-5.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial quarts to Cubic inches
Imperial quart and Cubic inch 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 inches = imperial quarts × 69.3548581979
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 inch equals 0.000016387064 base units, so dividing one by the other gives the direct imperial quart-to-cubic inch factor of 69.3548581979.
Simple example
1 imp qt × 69.3548582 = 69.3548582 in3
1 imperial quart = 69.3548582 cubic inches.
Real-world example
10 imp qt × 69.3548582 = 693.548582 in3
10 imperial quarts = 693.548582 cubic inches.
Conversion table
| Imperial quart (imp qt) | Cubic inch (in3) |
|---|---|
| 1 imp qt | 69.3548582 in3 |
| 5 imp qt | 346.774291 in3 |
| 10 imp qt | 693.548582 in3 |
| 25 imp qt | 1,733.871455 in3 |
| 50 imp qt | 3,467.74291 in3 |
| 100 imp qt | 6,935.48582 in3 |
Reverse conversion: Cubic inch to Imperial quart
69.3548582 in3 × 0.0144186006 = 1 imp qt
69.3548582 cubic inches = 1 imperial quarts.
imperial quarts = cubic inches × 0.0144186005996
For a page dedicated to this direction, see Cubic inch 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 inch (in3)
A cubic inch is the volume of a one-inch cube.
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 inches are in 1 imperial quart?
1 imperial quart equals 69.3548582 cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert imperial quart to cubic inch?
Multiply the imperial quart value by 69.3548582. The converter above does this instantly to whatever precision you set.
How do I convert cubic inch back to imperial quart?
Use the reverse factor: 1 cubic inch equals 0.0144186006 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 inch?
Cubic inch (in3) is a unit of volume.
Is the imperial quart to cubic inch 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)