25 mL = 0.026 US qt
25 ÷ 946.3529 = 0.0264 US qt
Using the selected default volume definition.
🫙 Free conversion calculator
mL to Quarts Converter
Convert milliliters into US qt, check the reverse calculation, and learn when each unit standard applies. Built for large recipe batches, broth and household liquid containers.
Example with default standard
100 mL0.1056688209 US qt
Change the unit definition or substance in the live tool. The sample is an illustration, not a one-size-fits-all factor.
Instant two-way conversion
mL to Quarts Calculator
Enter any non-negative number. Choose your measurement standard or density if needed, then convert back and forth. Results update as you type.
Choose the correct unit definition
For US/Imperial measurements, select the variant printed on the original package or recipe. For mass, select a realistic density instead.
Enter your amount
Use a whole number or a decimal. Both 7.5 and 7,5 are accepted.
Read the value and the working
Use the shown equation to check the unit factor and avoid copying a rounded figure into later calculations.
Calculated result · US qt0.1056688209 US qt
Calculation uses the selected definition.
Common values (mL)
Read before using this resultDo not confuse liquid quarts with US dry quarts or Imperial quarts. This calculator explicitly selects a liquid-volume standard.
The unit explained
What Does mL to Quarts Mean?
A quart is a volume unit. The US liquid quart is one-quarter of a US gallon, exactly 946.352946 mL. An Imperial quart is one-quarter of an Imperial gallon, exactly 1,136.5225 mL.
Quarts often appear on US paint and food containers and in recipes for stock or soup. A quart is neither a kilogram nor a weight-based serving size.
Common conversion trapDo not confuse liquid quarts with US dry quarts or Imperial quarts. This calculator explicitly selects a liquid-volume standard.
Calculation method
mL to Quarts Formula and Reverse Formula
mL → US qt
US qt = mL ÷ 946.352946 mL/US qt
Keep the units consistent and avoid rounding the conversion factor in intermediate steps.
US qt → mL
US qt × 946.352946 mL/US qt = mL
Reverse the multiplication or division to check your answer. Use the identical unit definition on both sides.
Why these unit definitions matter
Quarts often appear on US paint and food containers and in recipes for stock or soup. A quart is neither a kilogram nor a weight-based serving size.
US liquid quart: 1 US qt corresponds to 946.352946 mL.
Imperial quart: 1 imp qt corresponds to 1,136.5225 mL.
Step-by-step worked calculation
Worked example: Enter 500 mL and divide by 946.352946 mL per US qt. The answer is 0.5283441047 US qt. To check the calculation, multiply that result by 946.352946; you return to the original 500 mL, subject only to displayed rounding.
Compare the alternatives: The same 500 mL is 0.4399384966 imp qt using Imperial quart. The calculator lets you select the exact intended standard; do not mix two standards in one calculation.
The on-page calculator uses the same stated default factor. Small display differences can occur when values are rounded.
Check the math25 mL example 100 mL example 250 mL example 500 mL example 1,000 mL example
Five mL to Quarts Worked Examples
These examples cover several common values, including small and large amounts. Each answer follows the same conversion factor and assumptions shown in the equation.
100 mL = 0.106 US qt
100 ÷ 946.3529 = 0.1057 US qt
Using the selected default volume definition.
250 mL = 0.264 US qt
250 ÷ 946.3529 = 0.2642 US qt
Using the selected default volume definition.
500 mL = 0.528 US qt
500 ÷ 946.3529 = 0.5283 US qt
Using the selected default volume definition.
1,000 mL = 1.057 US qt
1,000 ÷ 946.3529 = 1.0567 US qt
Using the selected default volume definition.
Reverse example
Take 0.2641720524 US qt. Applying the reverse equation gives approximately 250 mL. The input is recovered when the same definition and density are used.
Does the ingredient change the result?
No. This is a volume-to-volume unit conversion, so water, milk, oil and honey use the same numerical volume factor.
Reference values
mL to Quarts Conversion Table (1–1,500 mL)
Browse popular entries below or show every integer from 1 through 1,500 using the interactive chart. The downloadable CSV also includes every value with no missing integers. The table defaults to the first measurement standard; changing that standard updates the interactive results.
| Milliliters | Converted value | Assumptions |
|---|---|---|
| 1 mL | 0.001056688209 US qt | Exact selected definition |
| 5 mL | 0.005283441047 US qt | Exact selected definition |
| 10 mL | 0.01056688209 US qt | Exact selected definition |
| 50 mL | 0.05283441047 US qt | Exact selected definition |
| 100 mL | 0.1056688209 US qt | Exact selected definition |
| 125 mL | 0.1320860262 US qt | Exact selected definition |
| 200 mL | 0.2113376419 US qt | Exact selected definition |
| 240 mL | 0.2536051703 US qt | Exact selected definition |
| 250 mL | 0.2641720524 US qt | Exact selected definition |
| 375 mL | 0.3962580785 US qt | Exact selected definition |
| 400 mL | 0.4226752838 US qt | Exact selected definition |
| 500 mL | 0.5283441047 US qt | Exact selected definition |
| 750 mL | 0.7925161571 US qt | Exact selected definition |
| 1,000 mL | 1.05668821 US qt | Exact selected definition |
Popular conversions.
| mL | US qt | Assumption |
|---|
Decimals, values above 1,500 and reverse calculations work in the calculator above.
Practical contexts01 02 03 04
When to Use mL to Quarts
US liquid quart ≈ 946.353 mL; an Imperial quart is approximately 1,136.52 mL. Dry quarts are a separate US measure.
Measuring soup and stock in large-batch recipes
An American soup pot described as holding 2 US liquid quarts is about 1.893 liters; do not use dry-quart figures from grain measures.
Comparing litre and quart container labels
If a car product specifies a fluid capacity in US quarts, confirm the manufacturer exact unit before converting its mL figure.
Scaling liquid ingredients for food service
For 946 mL liquid, the result is roughly 1 US liquid quart, since one such quart is about 946.353 mL.
Working with US cleaning-liquid containers
An Imperial quart is larger than a US liquid quart. A recipe copied across countries needs the correct quart standard and possibly a different measuring jug.
What the displayed conversion means
US liquid quart ≈ 946.353 mL; an Imperial quart is approximately 1,136.52 mL. Dry quarts are a separate US measure.
How to check measurement accuracy
Confirm whether the source uses a US customary, Imperial, metric or locally defined serving unit. Keep the same standard in the forward and reverse calculation; compare your answer with a calibrated vessel when preparing a real batch. Decimal precision cannot correct the choice of the wrong national standard.
Frequently asked questions
mL to Quarts: FAQs
Answers use the default calculator standard unless another unit definition is named.
How many mL are in a quart?
A US liquid quart is 946.352946 mL.
Is 946 mL exactly one quart?
946 mL is very close, but not mathematically exact.
How many quarts are 500 mL?
500 mL is about 0.528 US liquid quart.
How many quarts is 1,500 mL?
1,500 mL is approximately 1.585 US liquid quarts.
Is an Imperial quart bigger?
Yes. An Imperial quart is 1,136.5225 mL, larger than a US liquid quart.
Editorial transparency
References, Assumptions and Accuracy
This page publishes the factor used and links to independently maintained measurement references. NIST/BIPM define unit relationships; practical density estimates are not presented as precision laboratory data. Ingredient properties, manufacturer packaging and measuring tools can introduce additional uncertainty.
- NIST: Conversion Factors for Volume. Unit definitions, capacity factors and calculation standards.
Our methodology describes calculation standards, rounding and test procedures. For updates or a correction, contact [email protected]. Read the measurement disclaimer.
Explore the measurement silo
Related Converters
These pages cover separate unit intents. The fluid-ounce and weight-ounce pages are deliberately separate to prevent mixing volume with mass.