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Cups to Gallons Converter

Convert cups to gallons and gallons to cups instantly. Bidirectional volume converter with formula and common values.

cup

Gallons

0.75

gal

12 cup = 0.75 gal

gal = cup ÷ 16

Cups to Gallons: 1 cup equals 0.0625 gal. To convert cups to gallons, multiply by 0.0625 (gal = cup ÷ 16). For example, 10 cup = 0.625 gal.

How to Convert Cups to Gallons

To convert from cups to gallons, multiply the value by 0.0625. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Cups to Gallons: gal = cup ÷ 16
  • Gallons to Cups: cup = gal × 16

Cups to Gallons Conversion Chart

Cups (cup)Gallons (gal)
0.10.00625
0.250.015625
0.50.03125
10.0625
20.125
30.1875
50.3125
100.625
201.25
251.5625
503.125
1006.25
25015.625
100062.5

Understanding the Units

What is a Cup?

The US legal cup equals exactly 240 milliliters; the US customary cup used in recipes is 236.5882365 milliliters.

Common contexts: cooking (US).

What is a Gallon?

The US liquid gallon equals exactly 3.785411784 liters; the imperial (UK) gallon equals 4.54609 liters.

From the Old Northern French galun, originally a wine measure.

Common contexts: fuel, milk, paint.

Real-World Reference Points

Item Cups (cup) Gallons (gal)
A milk jug (US)161
Average car gas tank (US)22414

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FAQ

How many gallons are in a cup?

One cup equals 0.0625 gallons (1/16 of a gallon).

How do I convert cups to gallons?

Divide the number of cups by 16. For example, 12 cups ÷ 16 = 0.75 gallons.

How many cups make a gallon?

Sixteen cups make exactly one gallon.

Is there a quick way to estimate cups to gallons?

Divide by 16 or, equivalently, divide by 4 twice. Half a gallon is 8 cups, a quarter gallon is 4 cups.

How many gallons are in 1 cup?

1 cup equals 0.0625 gal.

How do you convert cups to gallons?

Multiply the cup value by 0.0625. Formula: gal = cup ÷ 16.

How many gallons are in 5 cups?

5 cup = 0.3125 gal.

How do you convert gallons back to cups?

Use the inverse formula: cup = gal × 16. For example, 1 gal = 16 cup.

What is the difference between Cup and Gallon?

The US legal cup equals exactly 240 milliliters; the US customary cup used in recipes is 236.5882365 milliliters. The US liquid gallon equals exactly 3.785411784 liters; the imperial (UK) gallon equals 4.54609 liters.