138 Milliliters to Quarts

138 mL ≈ 0.14582 qt

Calculation: qt = 138 mL × 0.00105669 ≈ 0.14582 qt

Milliliter to Quart Converter

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How much is 138 mL?

138 mL (4.7 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

What does 138 mL look like?

Illustration of a rocks glass
138 mL (4.7 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

138 mL on the quart scale

mL050100.0150.0200.0qt00.050.10.150.2

138.0 mL = 0.1458 qt

How to Convert Milliliter to Quart

1 milliliter = 0.00105669 quarts

Quart = Milliliter × 0.00105669

Example: 138 mL × 0.00105669 = 0.14582 qt

Reverse Conversion

To convert quarts back to milliliters:

  • Remember, 1 quart equals 946.353 milliliters.
  • To convert 0.14582 qt to mL, multiply 0.14582 x 946.353, resulting in 138 mL.

138 mL is also equal to:

  • 0.138 liter
  • 0.58329 cup
  • 0.29165 pint
  • 4.6663 ounce

Frequently Asked Questions

How much is 138 milliliters in quarts?

138 milliliters equals 0.14582 quarts. This is calculated by multiplying 138 by the conversion factor 0.00105669.

What does 138 milliliters look like in quarts?

138 milliliters (0.14582 quarts) is a measuring cup or a small glass.

How do you calculate 138 milliliters to quarts?

Multiply 138 by the conversion factor 0.00105669. The calculation is 138 × 0.00105669 = 0.14582 quarts. This factor is defined by international measurement standards.

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138 milliliters = 0.145823 quarts
138 milliliters = 0.145823 quarts — conversion chart

For general conversions between milliliters and quarts, see the milliliters to quarts converter.

Also convert Milliliters to:

Conversion factors verified against NIST, BIPM, ISO 80000-3 1 US gallon = 3.785411784 L (exact, US customary). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.