Convert US Quart to Liter
Convert us quarts to liters instantly. 1 us quart = 0.946352946 liter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Liter to US Quart converter for the reverse conversion.
Units explained
US Quart
A US liquid quart is one quarter of a US gallon (0.946352946 L).
From the Latin quartus, a quarter of a gallon.
Used for milk, oil and household liquids in the US.
English customary.
Liter
The liter is a metric unit of volume equal to one cubic decimeter (0.001 m³). It is the everyday metric volume unit.
Introduced in France in 1795; redefined in 1964 as exactly one cubic decimeter.
The world's common unit for beverages, fuel, and household liquids.
France, 1795; CGPM 1964.
US Quart to Liter conversion formula
The relationship between us quarts and liters:
To convert us quarts to liters, multiply the value in us quarts by 0.946352946. To reverse, multiply liters by 1.0566882094.
How to use this converter
Type a value into the calculator. The result in liters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Liter to US Quart converter for the reverse direction.
Step-by-step: convert us quarts to liters
- Write down the value in us quarts (qt).
- Multiply that value by the factor 0.946352946.
- The product is the equivalent value in liters (L).
- To reverse, multiply the liter value by 1.0566882094.
Worked examples
Example 1 — Convert 1 qt to L:
1 × 0.946352946 = 0.946352946 L
Example 2 — Convert 100 qt to L:
100 × 0.946352946 = 94.6352946 L
Real-world example — Packaging gauge
A 4-us quart plastic bag thickness is a common spec for grocery and freezer bags. Converting from us quarts to liters is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 qt × 0.946352946 = 3.785411784 L
Real-world example — Plastic film and laminate thickness
A 500-us quart sheet is a typical spec for ID-card laminates and film overlays. Converting to liters aligns the value with the unit most CAD systems and material datasheets prefer.
500 qt × 0.946352946 = 473.176473 L
US Quart to Liter conversion table
Standard reference values for converting us quarts to liters:
| US Quart [qt] | Liter [L] |
|---|---|
| 0.01 | 0.0094635295 |
| 0.1 | 0.0946352946 |
| 1 | 0.946352946 |
| 2 | 1.892705892 |
| 3 | 2.839058838 |
| 4 | 3.785411784 |
| 5 | 4.73176473 |
| 10 | 9.46352946 |
| 20 | 18.92705892 |
| 30 | 28.39058838 |
| 40 | 37.85411784 |
| 50 | 47.3176473 |
| 100 | 94.6352946 |
| 500 | 473.176473 |
| 1000 | 946.352946 |
Frequently asked questions
How many liters is 1 us quart?
How do I convert us quarts to liters?
How do I convert liters back to us quarts?
How many liters is 100 us quarts?
Popular volume unit conversions
Convert US Quart to other volume units
Show all US Quart conversions
Metric / SI (8 units)
US Customary (Liquid) (7 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 qt = 0.946352946 L) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.