Volume Converter
Convert between litres, millilitres, gallons, cups, fluid ounces, cubic metres, and more.
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Volume conversion is essential in cooking, chemistry, engineering, and fuel measurement. The litre is standard metric; gallons, cups, and fl oz are US/imperial. US and imperial gallons differ by 20%.
US vs Imperial Gallons
US gallon = 3.785 L; imperial = 4.546 L — a 20% difference. Australia uses litres.
Cups and Cooking
US cup = 236.6 ml; Australian metric cup = 250 ml. Small differences matter in baking.
How to Use This Calculator
- Select 'Volume'
Choose the category from the dropdown.
- Select your source unit
Pick the unit you're converting from.
- Enter the value
Type the number. Results update instantly.
- Select your target unit
Choose the unit you need.
Applications
Cooking and Baking
2 cups of milk ≈ 473 ml (US) or 500 ml (metric). The difference matters in baking.
Fuel and Automotive
Fuel efficiency: L/100km (AU) vs MPG (US). Requires both volume and distance conversions.
Chemistry and Pharma
Lab measurements require precise volume conversions. µl, ml, and L conversions are routine.
Converting measurements for cooking
Our volume converter tool is especially useful when cooking, as it allows you to easily convert between different units of measurement. For example, if a recipe calls for 2 cups of flour but you only have 1 cup measure available, you can use our tool to convert the amount to the correct number of cups. This can save you time and frustration in the kitchen.
Frequently Asked Questions
How do you convert litres to gallons?
Divide by 3.785 (US) or 4.546 (imperial). 10 L = 2.64 US gal or 2.20 imp gal.
How many ml in a cup?
US cup = 236.6 ml; Australian metric cup = 250 ml.
US vs imperial gallon?
US: 3.785 L (128 fl oz). Imperial: 4.546 L (160 fl oz). Imperial is ~20% larger.
How do I convert between different units of weight?
Our volume converter tool allows you to easily convert between different units of weight, such as grams to ounces or kilograms to pounds. Simply enter the value in the appropriate field and select the desired unit.
How do I convert a mixture of units?
If you need to convert a mixture of units, simply separate the values into different fields and use the appropriate conversion factors. For example, if you want to convert 10 liters of water from meters to feet, you would enter 10 in the liter field and 0 in the meter field.