US quart (qt)

Definition

One quarter of a US gallon (0.946352946 liters).

History

The quart is literally a quarter of a gallon, a division used in English measure for centuries. The US quart is one quarter of the US gallon, about 0.946 liters.

Where it is used

Quarts are used in the United States for milk, juice and cooking stock, and as a handy kitchen measure.

Typical uses include milk and juice, cooking stock.

Conversion pages

These pages convert US quart to or from another unit in volume.

No conversion pages use this unit yet.

Other Volume units

• Liter (L)
• Milliliter (mL)
• US gallon (gal)
• US pint (pt)
• US cup (cup)
• US fluid ounce (fl oz)
• Tablespoon (tbsp)
• Teaspoon (tsp)
• Cubic meter (m³)
• Cubic foot (ft³)

Sources

• NIST HB 44 NIST Handbook 44, Appendix C §2 (U.S. Customary Units) and §5 (Tables of Equivalents) · Dataset reviewed Nov 11, 2026