A cubic inch is the volume of a one-inch cube.
Cubic inches to Imperial quarts Converter — in3 to imp qt
Convert Cubic inch (in3) to Imperial quart (imp qt) using the exact conversion factor (1 cubic inch = 0.0144186006 imperial quart). See the formula, worked examples, conversion table, history, and common uses.
Cubic inches to Imperial quarts 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.
An imperial quart is one quarter of an imperial gallon.
Result = input x 1.6387064e-5 / 0.0011365225.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic inches to Imperial quarts
Cubic inch and Imperial quart 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. Specifically: A cubic inch is the volume of a one-inch cube, and an imperial quart is one quarter of an imperial gallon.
Formula
imperial quarts = cubic inches × 0.0144186005996
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic inch equals 0.000016387064 base units, and 1 imperial quart equals 0.0011365225 base units, so dividing one by the other gives the direct cubic inch-to-imperial quart factor of 0.0144186005996.
Simple example
1 in3 × 0.0144186006 = 0.0144186006 imp qt
1 cubic inch = 0.0144186006 imperial quarts.
Real-world example
10 in3 × 0.0144186006 = 0.144186006 imp qt
10 cubic inches = 0.144186006 imperial quarts.
Conversion table
| Cubic inch (in3) | Imperial quart (imp qt) |
|---|---|
| 1 in3 | 0.0144186006 imp qt |
| 5 in3 | 0.072093003 imp qt |
| 10 in3 | 0.144186006 imp qt |
| 25 in3 | 0.360465015 imp qt |
| 50 in3 | 0.72093003 imp qt |
| 100 in3 | 1.44186006 imp qt |
Reverse conversion: Imperial quart to Cubic inch
0.0144186006 imp qt × 69.3548582 = 1 in3
0.0144186006 imperial quarts = 1 cubic inches.
cubic inches = imperial quarts × 69.3548581979
For a page dedicated to this direction, see Imperial quart to Cubic inch.
Understanding the Cubic inch (in3)
A cubic inch is the volume of a one-inch cube.
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.
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 imperial quarts are in 1 cubic inch?
1 cubic inch equals 0.0144186006 imperial quarts, using the exact defined conversion factor rather than an estimate.
How do I convert cubic inch to imperial quart?
Multiply the cubic inch value by 0.0144186006. The converter above does this instantly to whatever precision you set.
How do I convert imperial quart back to cubic inch?
Use the reverse factor: 1 imperial quart equals 69.3548582 cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic inch?
Cubic inch (in3) is a unit of volume.
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.
Is the cubic inch to imperial quart 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.