0.5 Cups to Gallons [liquid]

0.5 cup = 0.03125 gal

Calculation: gal = 0.5 cup × 0.0625 = 0.03125 gal

Cup to Gallon [liquid] Converter

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How much is 0.5 cup?

118 mL (4.0 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

What does 0.5 cup look like?

Illustration of a rocks glass
118 mL (4.0 fl oz) is about a rocks glass (old-fashioned glass) used for cocktails.

0.5 cup on the gallon [liquid] scale

cup00.20.40.60.81gal00.010.020.030.040.050.06

0.5 cup = 0.0313 gal

How to Convert Cup to Gallon [liquid]

1 cup = 116 gallons [liquid]

Gallon [liquid] = Cup × 116

Example: 12 cup × 116 = 132 gal

Reverse Conversion

To convert gallons [liquid] back to cups:

  • Remember, 1 gallon [liquid] equals 16 cups.
  • To convert 132 gal to cup, multiply 132 x 16, resulting in 12 cup.

Frequently Asked Questions

How much is 0.5 cups in gallons [liquid]?

0.5 cups equals 0.03125 gallons [liquid]. This is calculated by multiplying 0.5 by the conversion factor 0.0625.

What does 0.5 cups look like in gallons [liquid]?

0.5 cups (0.03125 gallons [liquid]) is less than a cup — a partial serving.

How do you calculate 0.5 cups to gallons [liquid]?

Multiply 0.5 by the conversion factor 0.0625. The calculation is 0.5 × 0.0625 = 0.03125 gallons [liquid]. This factor is defined by international measurement standards.

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0.5 cups = 0.03125 gallons [liquid]
0.5 cups = 0.03125 gallons [liquid] — conversion chart

For general conversions between cups and gallons [liquid], see the cups to gallons [liquid] converter.

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.