Authoritative definitions of the International System of Units and SI prefixes.
Unit conversion
Millilitres to US quarts Converter
1 mL ≈ 0.00105668820943 qt. Enter a value to convert mL to qt, then use the formula and table below. Displayed digits may be rounded.
VolumeInstant result
Decimals
Formula result = input × 0.001 ÷ 0.946352946. 1 mL ≈ 0.0011 qt
Nonzero results too small for the selected decimal places use scientific notation.
Nonzero results too small for the selected decimal places use scientific notation.
Common examples
One value, several units
Litres0.001 L
Cubic metres1.00000e-6 m³
Cubic centimetres1 cm³
US gallons0.0003 US gal
Imperial gallons0.0002 imp gal
US quarts0.0011 qt
US cups0.0042 cup
US fluid ounces0.0338 fl oz
Conversion table
| mL | qt |
|---|---|
| 1 mL | 0.0011 qt |
| 2 mL | 0.0021 qt |
| 5 mL | 0.0053 qt |
| 10 mL | 0.0106 qt |
| 25 mL | 0.0264 qt |
| 50 mL | 0.0528 qt |
| 100 mL | 0.1057 qt |
Conversion chart
1 mL0.0011 qt
5 mL0.0053 qt
10 mL0.0106 qt
25 mL0.0264 qt
50 mL0.0528 qt
Worked example
1 mL ≈ 0.00105668820943 qt. Apply the selected conversion formula to other input values.
Unit definition
Millilitres (mL) One millilitres equals 0.001 litre.
Unit history
Millilitres is represented here using its modern SI definition or an internationally accepted relationship to an SI base unit.
Step by step
1. Parse the value, including fractions.
2. Convert mL to litre.
3. Convert the base value to qt and apply your display precision.
Understand the result before using it
Millilitres to US quarts converts a value measured in Millilitres (mL) into the equivalent value in US quarts (qt). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
Calculated result
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
Formula
result = input × 0.001 ÷ 0.946352946
Assumptions
- Millilitres and US quarts represent the same volume quantity.
- The input is expressed in mL; the output is expressed in qt.
- The unit definitions and conventional relationship shown on this page apply.
Worked example
1 mL ≈ 0.00105668820943 qt. For another value, apply the same relationship and round only to the precision your source measurement supports.
When to use it
Good uses
- Read a mL measurement in a document that expects qt.
- Compare a millilitres value with a value reported in us quarts.
- Check the mL to qt arithmetic before copying the result into another calculation.
Limitations
Common mistakes to avoid
- US gallons and imperial gallons are different units; select the one your source actually uses.
- Round the output to a precision justified by the original measurement.
- Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
How do I convert Millilitres to US quarts?
result = input × 0.001 ÷ 0.946352946. Input is in mL; result is in qt. 1 mL ≈ 0.00105668820943 qt. The displayed digits may be rounded.
What is 1 mL in qt?
1 mL ≈ 0.00105668820943 qt. The displayed digits may be rounded.
Can I reverse the mL to qt conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts qt back to mL.
Is the Millilitres to US quarts result exact?
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.