Volume Converter - Free Online Volume Conversion Tool

How to Use the Volume Converter

1. Enter a value — type the volume amount you want to convert in the input field. The number can be a whole number or decimal for precise measurements.
2. Select from unit — choose the unit you are converting from using the dropdown menu. Options include milliliters, liters, gallons, quarts, pints, cups, fluid ounces, tablespoons, teaspoons, and cubic meters.
3. Select to unit — choose the unit you want to convert to. The converted result appears instantly as soon as you select the target unit.
4. Swap units — click the swap button to reverse the conversion direction. For example, switch from liters to gallons to gallons to liters with one click.
5. Copy the result — click the result field to copy the converted value to your clipboard for use in recipes, calculations, or documentation.

Features

• 12+ volume units — covers milliliters, liters, cubic meters, gallons (US and UK), quarts, pints, cups, fluid ounces, tablespoons, and teaspoons
• Real-time conversion — results update as you type or change any selection
• Two-way swapping — instantly reverse the from/to units with a single click
• High precision — results display up to 6 decimal places for accurate scientific and cooking measurements
• No server uploads — all conversions happen locally in your browser
• US and UK gallons — supports both measurement systems, which differ significantly in volume

Use Cases

• Cooking and baking — convert between metric milliliters and imperial cups or tablespoons when using recipes from different countries
• Chemistry and science — convert between milliliters and liters for lab work, or between cubic meters and liters for engineering projects
• Aquariums and fishkeeping — convert tank dimensions from liters to gallons to determine appropriate equipment and fish stocking levels
• Home brewing — scale recipes between gallons and liters for beer, wine, or kombucha batches of any size
• Shipping and freight — calculate volume conversions for shipping containers, packages, and liquid cargo documentation

FAQ

What’s the difference between US and UK gallons?

A US gallon equals 3.785 liters, while a UK (imperial) gallon equals 4.546 liters — about 20% larger. The converter includes both options. When converting recipes or measurements, verify which gallon system your source uses.

How many cups are in a liter?

One liter equals approximately 4.23 US cups or 3.52 UK (imperial) cups. The exact value depends on which cup standard you are using.

Is the converter accurate for cooking?

Yes. All conversion factors are precise to standard definitions. For cooking, slight variations in cup sizes across different countries can affect results, but the converter uses the internationally accepted US cup (240ml) and UK cup (284ml) standards.

Can I convert volume to weight?

This tool converts between volume units only. Volume-to-weight conversion requires knowing the density of the specific substance (e.g., 1 liter of water weighs 1 kg, but 1 liter of oil weighs about 0.9 kg).

Tips

• Bookmark the converter for recipe scaling — when doubling or halving recipes, convert the scaled amounts to ensure your measuring tools match
• For baking, be especially careful with US vs UK cup measurements — the 44ml difference can noticeably affect results in recipes using flour or sugar
• When converting for shipping, use cubic meters for large volumes and cubic centimeters or liters for smaller packages