Volume Converter
Convert liters to gallons, ml to cups, cubic meters to cubic feet, and more. Supports US and imperial volume units.
Our free Volume Converter converts between metric and US/imperial volume units instantly: milliliters, liters, cubic centimeters, cubic meters, fluid ounces, cups, pints, quarts, gallons, and cubic feet. Use it for cooking (convert ml to cups… Use the fields above to enter values and get an instant answer. All processing happens on your device.
About This Calculator
Our free Volume Converter converts between metric and US/imperial volume units instantly: milliliters, liters, cubic centimeters, cubic meters, fluid ounces, cups, pints, quarts, gallons, and cubic feet. Use it for cooking (convert ml to cups for an American recipe), science (convert liters to cubic centimeters), homebrewing (convert gallons to liters), construction (convert cubic yards to cubic meters), or any task that involves liquid or space measurements. The tool distinguishes between US and imperial units where they differ.
How It Works
Enter the volume, select the source unit, and pick the target unit. The converter applies the standard conversion factor. Key factors: 1 liter = 1,000 ml = 0.264172 US gallons, 1 US gallon = 3.78541 liters, 1 US cup = 236.588 ml, 1 fluid ounce = 29.5735 ml, 1 cubic meter = 1,000 liters, 1 cubic foot = 28.3168 liters. Note that US gallons (3.785 L) differ from imperial (UK) gallons (4.546 L).
How to Use
- Enter your values in the calculator fields above
- Click the calculate button or let the calculator auto-update
- Review your results instantly
- Adjust values as needed to see different scenarios
Frequently Asked Questions
How do I convert liters to US gallons?
Multiply liters by 0.264172. For example, 20 liters = 5.28 US gallons. A quick mental shortcut: divide liters by 4 for a rough estimate (slightly over). The converter gives you the precise result.
What is the difference between US and UK gallons?
A US gallon = 3.785 liters; a UK (imperial) gallon = 4.546 liters — about 20% larger. This difference also affects pints, quarts, and fluid ounces. Always check which system a recipe or specification uses. This converter defaults to US units.
How many cups are in a liter?
One liter = 4.227 US cups (each cup = 236.588 ml). For cooking, this means 1 liter is just over 4 cups. A metric cup (used in Australia) is exactly 250 ml, so 1 liter = 4 metric cups.
How do I convert ml to fluid ounces for recipes?
Divide milliliters by 29.5735. For example, 500 ml = 16.91 US fluid ounces, which is just over 2 US cups. This conversion is essential when adapting European or Asian recipes for American kitchens.
Is a cubic centimeter the same as a milliliter?
Yes, for all practical purposes. 1 cubic centimeter (cc or cm cubed) = 1 milliliter (ml). This equivalence is used daily in medicine (drug dosages are often stated in cc or ml interchangeably) and chemistry.
Why Use Our Free Volume Converter Online?
Our Volume Converter uses standard formulas and works in your browser—no install or sign-up. Use it for homework, travel, or everyday conversions. Results are instant and we don't collect your inputs. Explore our other math and unit converters from the link below.