Cubic metric volume unit.
Cubic Millimeters to Quarts Converter — mm3 to qt
Convert Cubic Millimeter (mm3) to Quart (qt) using the exact conversion factor (1 cubic millimeter = 0.0000010567 quart). See the formula, worked examples, conversion table, history, and common uses.
Cubic Millimeters to 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.
A US liquid quart is one quarter of a US gallon.
Result = input x 1e-9 / 0.000946352946.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Millimeters to Quarts
Cubic Millimeter and 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: Cubic metric volume unit, and a US liquid quart is one quarter of a US gallon.
Formula
quarts = cubic millimeters × 0.00000105668820943
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic millimeter equals 1e-9 base units, and 1 quart equals 0.000946352946 base units, so dividing one by the other gives the direct cubic millimeter-to-quart factor of 0.00000105668820943.
Simple example
1 mm3 × 0.000001056688209 = 0.0000010567 qt
1 cubic millimeter = 0.0000010567 quarts.
Real-world example
10 mm3 × 0.000001056688209 = 0.0000105669 qt
10 cubic millimeters = 0.0000105669 quarts.
Conversion table
| Cubic Millimeter (mm3) | Quart (qt) |
|---|---|
| 1 mm3 | 0.0000010567 qt |
| 5 mm3 | 0.0000052834 qt |
| 10 mm3 | 0.0000105669 qt |
| 25 mm3 | 0.0000264172 qt |
| 50 mm3 | 0.0000528344 qt |
| 100 mm3 | 0.0001056688 qt |
Reverse conversion: Quart to Cubic Millimeter
0.0000010567 qt × 946352.946 = 1.000011158 mm3
0.0000010567 quarts = 1.000011158 cubic millimeters.
cubic millimeters = quarts × 946352.946
For a page dedicated to this direction, see Quart to Cubic Millimeter.
Understanding the Cubic Millimeter (mm3)
Cubic metric volume unit.
Understanding the Quart
Quart (qt) measures volume. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. It is classified as a US customary unit.
Where it's used: United States (cooking, dairy, motor oil packaging)
Uses of the Quart today
- US recipe measurement (larger liquid volumes)
- US motor oil and automotive fluid packaging
- US dairy and beverage packaging (quart containers)
History of the Quart
The quart ('quarter' of a gallon) follows the same English wine-gallon lineage as the US gallon, retained by the US after England moved to a different imperial standard in 1824.
Historical origin. Quart was not the invention of a single named person; it developed through the process described above.
Quart — sources
- NIST Handbook 44, Appendix C — General tables of units including the US quart definition.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quarts are in 1 cubic millimeter?
1 cubic millimeter equals 0.0000010567 quarts, using the exact defined conversion factor rather than an estimate.
How do I convert cubic millimeter to quart?
Multiply the cubic millimeter value by 0.000001056688209. The converter above does this instantly to whatever precision you set.
How do I convert quart back to cubic millimeter?
Use the reverse factor: 1 quart equals 946,352.946 cubic millimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic millimeter?
Cubic Millimeter (mm3) is a unit of volume.
What is a quart?
Quart (qt) measures volume. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 liters. It is classified as a US customary unit.
Is the cubic millimeter to quart conversion exact?
Yes. The US liquid quart is exactly one-quarter of a US gallon: 0.946352946 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.