What is the volume of 1 US cup in gallons?

One US cup is equal to 0.0625 US gallons based on standard volume measurements.

Why might there be differences in cup measurements on nutrition labels?

Some nutrition labels use a 'legal' cup defined as 240 mL, slightly larger than the US customary cup, which is about 236.588 mL.

Can this conversion be used for measuring fuel?

Yes, since US gallons are commonly used for fuel measurements, converting cups to gallons helps relate smaller volumes to fuel quantities.

How to Convert from Cup (US) to Gallon (US) [gal (US)]?

Learn how to convert volumes from US customary cups to US gallons using a simple conversion tool. Useful for cooking, fuel measurement, and more.

Cup (US)

Gallon (US) [gal (US)]

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Cup (US) to Gallon (US) [gal (US)] Conversion Table

Cup (US)	Gallon (US) [gal (US)]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Cup (US) to Gallon (US) [gal (US)] Conversion Table
Cup (US)	Gallon (US) [gal (US)]

Explore More Volume Units Converter

What Is This Tool?

This tool allows you to convert volumes between cup (US) and gallon (US), enabling easy translation of culinary measurements into larger units used in fuel, commercial liquids, and engineering applications.

How to Use This Tool?

Enter the volume value in cup (US) units.
Select cup (US) as the input unit and gallon (US) as the output unit.
Click convert to view the volume in gallons (US).

Key Features

Converts volume from US customary cups to US gallons accurately based on exact definitions.
Provides straightforward conversion using the fixed rate of 1 cup (US) equals 0.0625 gallon (US).
Supports practical measurement needs in cooking, fuel sales, liquid packaging, and HVAC flow rates.

Examples

4 Cups (US) converts to 0.25 Gallons (US).
16 Cups (US) converts to exactly 1 Gallon (US).

Common Use Cases

Converting recipe ingredient volumes from cups to gallons for large-scale cooking or commercial food production.
Standardizing volume measurements in home baking and cooking where cup measures are common.
Calculating volumes for fuel sales, liquid packaging, and engineering flow expressed in gallons.

Tips & Best Practices

Remember that the US customary cup is slightly different from the 'legal' cup of 240 mL used on some nutrition labels.
Use this conversion to maintain volume consistency across culinary, commercial, and industrial contexts.
Be mindful that gallons represent larger volumes, so converted values might be fractional and may require rounding based on your precision needs.

Limitations

The US cup used here varies slightly from the 240 mL 'legal' cup seen in nutrition labeling, possibly affecting exact accuracy.
Conversions may produce fractional gallon values that need appropriate rounding suited to the application.
Gallons measure much larger volumes than cups, so small volumes in cups convert to small fractional gallons.

Frequently Asked Questions

What is the volume of 1 US cup in gallons?: One US cup is equal to 0.0625 US gallons based on standard volume measurements.
Why might there be differences in cup measurements on nutrition labels?: Some nutrition labels use a 'legal' cup defined as 240 mL, slightly larger than the US customary cup, which is about 236.588 mL.
Can this conversion be used for measuring fuel?: Yes, since US gallons are commonly used for fuel measurements, converting cups to gallons helps relate smaller volumes to fuel quantities.

Key Terminology

Cup (US): A US customary volume unit equal to 8 US fluid ounces or exactly 236.5882365 milliliters, commonly used in cooking.
Gallon (US) [gal (US)]: A US volume unit defined as exactly 231 cubic inches or 3.785411784 liters, often used for measuring liquids like fuel and milk.
Conversion Rate: The fixed ratio of 1 Cup (US) = 0.0625 Gallon (US) used to convert volumes between these units.

Quick Knowledge Check

How many gallons are in 16 US cups?

1 gallon

0.0625 gallons

4 gallons

What is the exact volume of 1 US cup in milliliters?

240 mL

236.5882365 mL

231 mL

What is a common use for converting cups to gallons?

Cooking recipes

Measuring motor fuels

Weighing ingredients

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