A US liquid pint is one eighth of a US gallon.
Pints to Quarts Converter — pt to qt
Convert Pint (pt) to Quart (qt) using the exact conversion factor (1 pint = 0.5 quart). See the formula, worked examples, conversion table, unit comparison, history, and common uses.
Pints 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 0.000473176473 / 0.000946352946.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pints to Quarts
Pint 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. Pint is typically associated with united States (beer serving, cooking, dairy), while Quart is typically associated with united States (cooking, dairy, motor oil packaging).
Formula
quarts = pints × 0.5
This factor comes from each unit's defined relationship to the category's base unit: 1 pint equals 0.000473176473 base units, and 1 quart equals 0.000946352946 base units, so dividing one by the other gives the direct pint-to-quart factor of 0.5.
Simple example
1 pt × 0.5 = 0.5 qt
1 pint = 0.5 quarts.
Real-world example
10 pt × 0.5 = 5 qt
10 pints = 5 quarts.
Conversion table
| Pint (pt) | Quart (qt) |
|---|---|
| 1 pt | 0.5 qt |
| 5 pt | 2.5 qt |
| 10 pt | 5 qt |
| 25 pt | 12.5 qt |
| 50 pt | 25 qt |
| 100 pt | 50 qt |
Reverse conversion: Quart to Pint
0.5 qt × 2 = 1 pt
0.5 quarts = 1 pint.
pints = quarts × 2
For a page dedicated to this direction, see Quart to Pint.
Pint vs. Quart
| Aspect | Pint | Quart |
|---|---|---|
| Family | US customary unit | US customary unit |
| Typical use | US beer and beverage serving sizes | US recipe measurement (larger liquid volumes) |
| Where it's used | United States (beer serving, cooking, dairy) | United States (cooking, dairy, motor oil packaging) |
Understanding the Pint
Pint (pt) measures volume. The US liquid pint is one-eighth of a US gallon: exactly 0.473176473 liters. It is classified as a US customary unit.
Where it's used: United States (beer serving, cooking, dairy)
Uses of the Pint today
- US beer and beverage serving sizes
- US recipe measurement
- US dairy packaging (pint containers)
History of the Pint
The pint follows the same English wine-gallon lineage as the US gallon and quart, retained by the US after Britain's 1824 switch to a different imperial gallon standard.
Historical origin. Pint was not the invention of a single named person; it developed through the process described above.
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.
Pint — sources
- NIST Handbook 44, Appendix C — General tables of units including the US pint definition.
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 pint?
1 pint equals 0.5 quarts, using the exact defined conversion factor rather than an estimate.
How do I convert pint to quart?
Multiply the pint value by 0.5. The converter above does this instantly to whatever precision you set.
How do I convert quart back to pint?
Use the reverse factor: 1 quart equals 2 pints. You can also use the swap control in the converter above to flip the direction instantly.
What is a pint?
Pint (pt) measures volume. The US liquid pint is one-eighth of a US gallon: exactly 0.473176473 liters. It is classified as a US customary unit.
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 pint 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.
Where is the pint still used today?
United States (beer serving, cooking, dairy)