Conversion Calculator

Volume Converter

Convert between milliliters, liters, gallons, quarts, pints, cups, fluid ounces, tablespoons, and teaspoons.

Enter Values

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The guide, formula, examples, and FAQ are available below.

How to Use This Calculator

Step 1

Enter Value

Type your value into the input field. For example: e.g., 500. Minimum value: 0.

Step 2

Select From

Choose the appropriate option from the "From" dropdown. Options include: Milliliters (ml), Liters (L), Gallons (gal), Quarts (qt), Pints (pt), Cups (cup), Fluid Ounces (fl oz), Tablespoons (tbsp), Teaspoons (tsp).

Step 3

Select To

Choose the appropriate option from the "To" dropdown. Options include: Milliliters (ml), Liters (L), Gallons (gal), Quarts (qt), Pints (pt), Cups (cup), Fluid Ounces (fl oz), Tablespoons (tbsp), Teaspoons (tsp).

Step 4

View Your Result

The result appears beside the calculator with the main answer and a detailed calculation breakdown.

Step 5

Adjust and Explore

Change any input value and calculate again. Use the copy and share controls to save or send your result.

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Formula

Result = Value x (From-to-ml factor) / (To-to-ml factor)

All volume conversions use milliliters as an intermediate base unit. The input is first converted to milliliters, then from milliliters to the target unit using standard US customary and metric conversion factors.

Unit conversion note

Conversion calculators use standard metric, imperial, and US customary relationships.

Cooking and regional units may vary, so check the unit system shown on the calculator before relying on a result.

Last reviewed by the Calculator Trust Editorial Team. To report an issue, email contact [at] calculatortrust.com.

Common Examples

Understanding the Concept

Volume conversion is a daily necessity in cooking, baking, science, and many other fields. Whether you are scaling a recipe that uses cups and tablespoons, working with metric liters and milliliters in a laboratory, or comparing fuel quantities in gallons and liters, this converter handles all the common volume units with precise conversion factors based on US customary measurements.

Understanding Volume Converter
Understanding how the Volume Converter works

Volume Units Explained

The units in this converter fall into two main systems:

Metric Units:

  • Milliliter (ml): One thousandth of a liter. Common in medicine and science.
  • Liter (L): The standard metric unit of volume. One liter equals 1,000 ml or about 33.8 fluid ounces.

US Customary Units:

  • Gallon: 128 fl oz, commonly used for large liquid quantities.
  • Quart: One quarter of a gallon (32 fl oz).
  • Pint: Half a quart (16 fl oz).
  • Cup: Half a pint (8 fl oz). The standard cooking measurement.
  • Fluid Ounce (fl oz): A small volume unit, about 29.6 ml.
  • Tablespoon (tbsp): Half a fluid ounce (3 teaspoons).
  • Teaspoon (tsp): The smallest common cooking measure, about 4.93 ml.

US Customary Volume Relationships

Understanding the relationships between US customary volume units makes conversion easier:

  • 1 gallon = 4 quarts = 8 pints = 16 cups = 128 fl oz
  • 1 quart = 2 pints = 4 cups = 32 fl oz
  • 1 pint = 2 cups = 16 fl oz
  • 1 cup = 8 fl oz = 16 tbsp = 48 tsp
  • 1 fl oz = 2 tbsp = 6 tsp
  • 1 tbsp = 3 tsp
US Customary Volume Relationships: Volume Converter
US Customary Volume Relationships: Volume Converter

Cooking Conversion Tips

When converting volumes for cooking and baking, keep these tips in mind:

  • For dry ingredients like flour, weight-based measurements (grams) are more accurate than volume, since packing density varies.
  • US cups and UK cups are slightly different. A US cup is 236.6 ml, while an Imperial cup is 284.1 ml. This converter uses US measurements.
  • Australian tablespoons are 20 ml, while US tablespoons are about 14.8 ml.
  • When precision matters in baking, use a kitchen scale rather than volume measures for dry ingredients.

Frequently Asked Questions

How many cups are in a liter?
There are approximately 4.227 US cups in one liter. Conversely, one US cup is about 236.6 milliliters, or roughly a quarter of a liter. For a quick estimate, 4 cups is close to 1 liter.
What is the difference between a US gallon and an Imperial gallon?
A US gallon equals 3,785.41 ml (128 US fl oz), while an Imperial gallon equals 4,546.09 ml (160 Imperial fl oz). The Imperial gallon is about 20% larger. This converter uses US gallons, which are standard in the United States.
How many tablespoons are in a cup?
There are 16 tablespoons in one US cup. Each tablespoon equals 3 teaspoons, so one cup also equals 48 teaspoons. This relationship makes it easy to scale recipes up or down.
Are fluid ounces the same as weight ounces?
No. A fluid ounce measures volume (about 29.6 ml), while a weight ounce (avoirdupois ounce) measures mass (about 28.35 grams). For water, they are close in value because water has a density near 1 g/ml, but for other liquids they can differ significantly.

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Written and reviewed by Calculator Trust Editorial Team

Our calculators are built using verified formulas from academic, government, and scientific sources. Content is fact-checked and reviewed for accuracy.