What is the exact volume of 1 US gallon?

One US gallon is exactly 231 cubic inches or 3.785411784 liters.

How much volume does one metric cup represent?

One metric cup is defined as exactly 250 milliliters or one quarter of a liter.

Why convert from US gallon to metric cup?

Converting from US gallon to metric cup is useful for culinary recipes, nutrition labeling, and international packaging where metric units are standard.

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

Learn how to convert volume measurements from the US gallon to the metric cup accurately, with examples and common use cases for culinary and industrial purposes.

Gallon (US) [gal (US)]

Cup (metric)

Please check your input. It must be a valid numeric value.

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

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

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.

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

Explore More Volume Units Converter

What Is This Tool?

This unit converter helps transform volume measurements from the US gallon to the metric cup. It is designed for users needing to express liquid quantities from US customary units into metric units, commonly required in cooking, nutrition labeling, and industrial applications.

How to Use This Tool?

Enter the volume value in gallons (US) you want to convert.
Select gallon (US) as the from unit and cup (metric) as the to unit.
Run the conversion to get the equivalent volume in metric cups.
Use the result in cooking measurements, packaging details, or flow rate calculations.

Key Features

Converts volume from US gallon, defined as exactly 231 cubic inches or 3.785411784 liters, to metric cup defined as exactly 250 milliliters.
Uses a precise conversion rate allowing translation of liquid volume measurements across common standards.
Supports applications in culinary recipes, packaging, fuel measurement, and engineering flow calculations.
Offers easy, browser-based functionality for quick volume unit conversions.

Examples

Converting 2 gallons (US) results in approximately 30.283294272 cups (metric).
Converting 0.5 gallons (US) results in approximately 7.570823568 cups (metric).

Common Use Cases

Adapting liquid volumes from US customary units for metric-based recipes and food preparation.
Labeling consumer products with serving sizes in metric units for international markets.
Measuring motor fuels and expressing flow rates in engineering and HVAC contexts.
Translating nutritional information requiring consistency between US and metric standards.

Tips & Best Practices

Always confirm the unit version as the US gallon and metric cup come from different volume standards.
Use this converter for culinary and packaging needs to ensure accurate volume communication.
Be mindful that the metric cup is non-SI and regional usage may vary despite a standard definition.
Double-check results when converting for precise industrial or nutrition labeling applications.

Limitations

Volume standards differ between the US gallon and metric cup affecting absolute accuracy.
The metric cup, being a non-SI unit, may have regional variations.
Precision can be impacted by rounding during conversion, especially in practical uses.

Frequently Asked Questions

What is the exact volume of 1 US gallon?: One US gallon is exactly 231 cubic inches or 3.785411784 liters.
How much volume does one metric cup represent?: One metric cup is defined as exactly 250 milliliters or one quarter of a liter.
Why convert from US gallon to metric cup?: Converting from US gallon to metric cup is useful for culinary recipes, nutrition labeling, and international packaging where metric units are standard.

Key Terminology

US gallon (gal US): A unit of volume used mainly in the United States, defined as exactly 231 cubic inches or 3.785411784 liters.
Metric cup: A non-SI unit of volume defined as exactly 250 milliliters, commonly used in culinary and nutritional measurements.
Conversion rate: The fixed multiplier used to convert one unit of measure into another accurately, here 1 US gallon equals about 15.141647136 metric cups.

Quick Knowledge Check

What is one US gallon equal to in liters?

3.5 liters

3.785411784 liters

4 liters

How many milliliters are in one metric cup?

250 milliliters

200 milliliters

300 milliliters

Which is a common use case for converting gallons to metric cups?

Measuring electrical current

Culinary recipes

Calculating distances

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