1 Gallon [liquid] to Cups

1 gal = 16 cup

Calculation: cup = 1 gal × 16 = 16 cup

Gallon [liquid] to Cup Converter

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How much is 1 gal?

3,785 mL (128 fl oz) equals about 3.79 liters, a large container volume.

1 gal on the cup scale

gal00.511.52cup051015202530

1 gal = 16 cup

Did you know? One US gallon is 3,785 mL.

1 US gallon = 3,785 mL = 128 fl oz. The Imperial (UK) gallon is larger at 4,546 mL.

How to Convert Gallon [liquid] to Cup

1 gallon [liquid] = 16 cups

Cup = Gallon [liquid] × 16

Example: 1 gal × 16 = 16 cup

Reverse Conversion

To convert cups back to gallons [liquid]:

  • Remember, 1 cup equals 116 gallons [liquid].
  • To convert 16 cup to gal, multiply 16 x 116, resulting in 1 gal.

1 gal is also equal to:

Frequently Asked Questions

How much is 1 gallon [liquid] in cups?

1 gallon [liquid] equals 16 cups. This is calculated by multiplying 1 by the conversion factor 16.

What does 1 gallon [liquid] look like in cups?

1 gallon [liquid] equals 16 cups, a conversion commonly needed in cooking recipes, liquid measurements, and container sizing.

How do you calculate 1 gallon [liquid] to cups?

Multiply 1 by the conversion factor 16. The calculation is 1 × 16 = 16 cups. This factor is defined by international measurement standards.

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1 gallon [liquid] = 16 cups
1 gallon [liquid] = 16 cups — conversion chart

Nearby Conversions

0.5 gallons [liquid]8 cups 1.5 gallons [liquid]24 cups 2 gallons [liquid]32 cups 2.5 gallons [liquid]40 cups 3 gallons [liquid]48 cups 3.5 gallons [liquid]56 cups 4 gallons [liquid]64 cups 4.5 gallons [liquid]72 cups 5 gallons [liquid]80 cups 5.5 gallons [liquid]88 cups 6 gallons [liquid]96 cups

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

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