Volume Converter
Convert between liters, gallons, milliliters, cups and more — instantly and accurately.
Volume Converter
Enter a value and select units to convert.
Converted Value
1 L = 0.2642 galWhat This Volume Converter Supports Across Cooking and Technical Use
This tool covers metric volume units including liters, milliliters, and cubic meters, alongside US customary units including gallons, quarts, pints, and cups. It also distinguishes correctly between US gallons and UK gallons, two units that share the same name but represent meaningfully different volumes, a distinction that regularly trips up anyone converting recipes or fuel figures between American and British sources.
Common Volume Conversions for Cooking and Everyday Use
One US gallon equals approximately 3.785 liters, an essential figure for anyone converting fuel economy or large liquid quantities between American and metric measurement standards. One liter equals approximately 4.227 US cups, useful for scaling international recipes. One cup equals exactly 8 fluid ounces, a foundational conversion used constantly in American cooking and baking measurements.
| From | To | Multiply By |
|---|---|---|
| Liters | Gallons (US) | 0.264172 |
| Gallons (US) | Liters | 3.78541 |
| Cups (US) | Milliliters | 236.588 |
| Milliliters | Cups (US) | 0.00422675 |
| Liters | Cubic Meters | 0.001 |
| Fluid Ounces | Milliliters | 29.5735 |
How to Use This Volume Converter
Enter the volume value you need converted into the input field. Select the unit you are converting from, choosing from the full range of supported metric and imperial volume units. Then select your target unit. The converted result appears instantly, using precise standardized conversion factors that stay accurate for both small cooking measurements and larger industrial or fuel volume figures.
Why US Gallons and UK Gallons Are Not the Same Size
This is one of the most common sources of volume conversion confusion, particularly for anyone comparing fuel economy figures or recipe measurements between American and British sources. A UK gallon is meaningfully larger than a US gallon, equal to approximately 4.546 liters compared to the US gallon's 3.785 liters, a roughly 20 percent difference that can significantly throw off a calculation if the wrong gallon definition is assumed.
Pro Tip: Always check whether a recipe or fuel figure uses US or UK gallons. The 20% difference between them can significantly affect your cooking or fuel economy calculations.
Volume Conversion for International Recipe Scaling
Home cooks working from international recipes frequently need to convert between metric volume measurements common in most of the world and the cup-and-spoon measurement system standard in American recipes. This converter handles that conversion precisely, including the smaller units like tablespoons and teaspoons that recipes rely on for measuring spices and smaller liquid quantities accurately.
Frequently Asked Questions
One US gallon equals approximately 3.785 liters, a conversion factor frequently needed when comparing fuel economy or liquid volume figures between American and metric measurement standards.
No, a UK gallon is meaningfully larger, equal to approximately 4.546 liters compared to a US gallon's 3.785 liters, roughly a 20 percent difference between the two units.
One liter equals approximately 4.227 US cups, a useful conversion factor when scaling an international recipe that uses metric liquid measurements into the American cup-based system.
Using the wrong gallon definition can introduce a roughly 20 percent error into fuel economy or volume calculations, since the two units represent meaningfully different actual volumes despite sharing the same name.
Yes, smaller volume units including tablespoons and teaspoons are supported alongside cups, liters, and gallons, making it useful for precise recipe scaling and cooking measurement conversions.