Volume Conversion - Convert Liters, Gallons, Cups, and More

Volume Converter

Convert volume measurements between different units quickly and accurately

Convert Volume

Understanding Volume Measurements

Volume measurement is crucial in cooking, chemistry, and many other fields. The cubic meter (m³) is the base unit of volume in the International System of Units (SI), while liters (L) and milliliters (mL) are commonly used for liquid measurements. Understanding volume conversions is essential for recipes, chemical solutions, and various industrial applications.

Common Volume Units

Metric Units

  • Milliliter (mL) - 1/1000 of a liter
  • Liter (L) - Base unit for liquids
  • Cubic centimeter (cm³) - Equal to 1 mL
  • Cubic meter (m³) - 1000 liters

US Customary Units

  • US Fluid ounce (fl oz) - 1/128 of a US gallon
  • US Cup (c) - 8 US fluid ounces
  • US Pint (pt) - 2 US cups
  • US Gallon (gal) - 4 US quarts

Common Applications

FieldCommon UnitsTypical Uses
CookingMilliliters, cupsRecipe measurements, liquid ingredients
ChemistryMilliliters, litersSolution preparation, lab work
ConstructionCubic metersConcrete, material volumes
BeveragesLiters, gallonsDrink containers, production

Conversion Tips

  • 1 liter equals approximately 33.814 US fluid ounces or 35.195 UK fluid ounces
  • 1 US gallon = 3.785 liters, 1 UK gallon = 4.546 liters (20% larger)
  • For cooking: 1 US cup = 237mL, 1 metric cup = 250mL, 1 UK cup varies by recipe
  • US vs UK differences: US tablespoon = 14.8mL, UK tablespoon = 17.8mL
  • Cubic measurements: 1 cubic foot = 28.3 liters, useful for construction volumes
  • Always specify which system (US, UK/Imperial, or metric) when sharing measurements

Volume Conversions

ConversionFormulaQuick Answer
liter to gallon1 liter = 0.264172 gallons (US)Multiply liters by 0.264172
gallon to liter1 gallon (US) = 3.785412 litersMultiply gallons by 3.785412
cup to milliliter1 cup (US) = 236.588 millilitersMultiply cups by 236.588
milliliter to cup1 milliliter = 0.00422675 cups (US)Multiply milliliters by 0.00422675
pint to liter1 pint (US) = 0.473176 litersMultiply pints by 0.473176
liter to pint1 liter = 2.11338 pints (US)Multiply liters by 2.11338
quart to liter1 quart (US) = 0.946353 litersMultiply quarts by 0.946353
liter to quart1 liter = 1.05669 quarts (US)Multiply liters by 1.05669
fluid ounce to milliliter1 fl oz (US) = 29.5735 millilitersMultiply fl oz by 29.5735
milliliter to fluid ounce1 milliliter = 0.033814 fl oz (US)Multiply milliliters by 0.033814

Our volume conversion tool provides accurate conversions between all common units of volume, making it easy to switch between metric and imperial measurements. Whether you're cooking, working in a laboratory, or calculating material volumes, our converter ensures precise volume conversions for any application.

Volume Conversion Questions

Everything you need to know about volume measurements and conversions

What's the difference between US and Imperial gallons?

A US gallon equals 3.785 liters, while an Imperial (UK) gallon equals 4.546 liters. The Imperial gallon is about 20% larger. This difference affects all related units: Imperial pints (568ml), quarts (1137ml), and fluid ounces (28.4ml) are also larger than their US counterparts (473ml, 946ml, and 29.6ml respectively). Always specify which system when dealing with volume measurements.

How do metric and US cooking measurements compare?

Key US conversions: 1 cup = 237ml, 1 tablespoon = 14.8ml, 1 teaspoon = 4.9ml, 1 fluid ounce = 29.6ml. Imperial cooking units differ: 1 tablespoon = 17.8ml, 1 teaspoon = 5.9ml, 1 fluid ounce = 28.4ml. European recipes typically use grams for dry ingredients and milliliters for liquids, which is more precise than volume measurements. Metric cups (250ml) differ from both US cups (237ml) and Imperial measurements.

When should I use cubic measurements vs. liquid measurements?

Cubic measurements (cubic inches, feet, yards) are used for solid volumes and large spaces like room capacity, shipping containers, or construction materials. Liquid measurements (gallons, liters, cups) are for fluids and cooking. For example: a cubic foot (28.3 liters) might describe a box size, while gallons describe fuel capacity.

How do I convert between liters and cubic meters?

1 cubic meter = 1,000 liters. Think of it as a cube that's 1 meter on each side—that's 1,000 liters of space. For smaller volumes: 1 liter = 1,000 cubic centimeters (cm³) = 1,000 milliliters. This relationship makes metric volume conversions straightforward. Additional metric units: 1 deciliter (dl) = 100ml, 1 centiliter (cl) = 10ml.

What's the relationship between volume and capacity?

Volume is the amount of 3D space an object occupies, while capacity is the maximum amount a container can hold. A bottle might have a volume of 500ml of glass/plastic, but a capacity of 475ml of liquid due to the bottle's thickness and shape.

How do altitude and temperature affect liquid volumes?

Liquids expand when heated and contract when cooled. Water expands about 4% from freezing to boiling. At high altitudes, lower atmospheric pressure can affect measurements slightly. For precise scientific work, temperature standardization (usually 20°C) is important.

Why do some recipes specify weight instead of volume?

Weight is more accurate, especially for baking. A cup of flour can weigh 120-150g depending on how it's packed, humidity, and flour type. Professional bakers weigh ingredients because it's more consistent and precise than volume measurements. This is why many European recipes use grams instead of cups.

Are there differences between UK and US cooking measurements?

Yes, significant differences exist. UK tablespoons are 17.8ml vs US 14.8ml. UK teaspoons are 5.9ml vs US 4.9ml. UK fluid ounces are 28.4ml vs US 29.6ml. UK pints are 568ml vs US 473ml. When following recipes, always check whether they use US or Imperial measurements to avoid errors.

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