From kitchen measurements to fuel economy calculations, our volume converter handles all your liquid and cubic measurement needs in one convenient tool.

Features of the Tool

• Convert between 12+ volume units including liters, gallons, milliliters, and cooking measurements
• Instantly switch conversion direction (e.g., L to gal ↔ gal to L)
• Prebuilt modes for common conversions like liters to milliliters or cups to fluid ounces
• Clear formulas and practical examples for each conversion type

Supported Conversions

Conversion	Formula	Example
Liters to Gallons	gal = L × 0.264172	5 L = 1.3209 gal
Liters to Milliliters	mL = L × 1000	2 L = 2,000 mL
Cubic Meters to Liters	L = m³ × 1000	0.5 m³ = 500 L
Gallons to Quarts	qt = gal × 4	3 gal = 12 qt
Quarts to Pints	pt = qt × 2	2 qt = 4 pt
Pints to Cups	cup = pt × 2	1 pt = 2 cups
Cubic Feet to Liters	L = ft³ × 28.3168	2 ft³ = 56.6336 L
Cubic Inches to Milliliters	mL = in³ × 16.3871	5 in³ = 81.9355 mL
Tablespoons to Milliliters	mL = tbsp × 14.7868	3 tbsp = 44.3604 mL
Cups to Milliliters	mL = cup × 236.588	1 cup = 236.588 mL
Teaspoons to Milliliters	mL = tsp × 4.92892	2 tsp = 9.8578 mL
Fluid Ounces to Milliliters	mL = fl oz × 29.5735	8 fl oz = 236.588 mL

The History and Definition of Volume Units

Metric System

• Liter (L): The standard metric unit for volume, originally defined as the volume occupied by 1 kilogram of pure water at 4°C. Equal to 1,000 cubic centimeters.
• Milliliter (mL): One-thousandth of a liter, commonly used for measuring small amounts of liquids in cooking, medicine, and science.
• Cubic Meter (m³): The SI unit of volume equal to 1,000 liters, typically used for large volume measurements like water tanks or room dimensions.

US Customary System

• Gallon (gal): The standard US volume unit, equal to 3.78541 liters. Used for fuel, milk, and other liquid measurements in the US.
• Quart (qt): One-fourth of a gallon (0.946353 liters), commonly used for milk and other beverages.
• Pint (pt): One-half of a quart (0.473176 liters), traditionally used for beer and ice cream.
• Cup (cup): One-half of a pint (236.588 milliliters), a standard measurement in American recipes.
• Fluid Ounce (fl oz): One-eighth of a cup (29.5735 milliliters), used for small volume measurements.
• Cubic Foot (ft³): A volume measurement equal to 28.3168 liters, commonly used for natural gas, refrigerator space, and shipping.
• Cubic Inch (in³): A small volume unit equal to 16.3871 milliliters, used in engineering.

Cooking Measurements

• Tablespoon (tbsp): Approximately 14.7868 milliliters in the US system, a common cooking measurement.
• Teaspoon (tsp): Approximately 4.92892 milliliters in the US system, used for small amounts in cooking and medicine.

Note: Imperial gallons (UK) differ from US gallons. An imperial gallon equals 4.54609 liters, while a US gallon equals 3.78541 liters.

Step-by-Step Conversion Examples

Liters to Gallons

• Formula: gal = L × 0.264172
• Example: 10 L = 2.64172 gal

Cups to Milliliters

• Formula: mL = cup × 236.588
• Example: 2 cups = 473.176 mL

Cubic Feet to Liters

• Formula: L = ft³ × 28.3168
• Example: 5 ft³ = 141.584 L

Practical Applications

• Cooking & Baking: Convert between metric and US recipe measurements
• Automotive: Calculate fuel efficiency between mpg and L/100km
• Home & Garden: Convert between gallons and liters for aquariums, pools, and gardening
• Travel: Understand fuel prices and volumes in different countries
• Science & Education: Convert between different volume units for experiments

Quick Approximations

• Liters to gallons: Multiply by 0.25 (e.g., 4 L ≈ 1 gal)
• Gallons to liters: Multiply by 4 (e.g., 1 gal ≈ 4 L)
• Cups to milliliters: Multiply by 240 (e.g., 1 cup ≈ 240 mL)
• Fluid ounces to milliliters: Multiply by 30 (e.g., 1 fl oz ≈ 30 mL)

How to Use the Converter

1. Enter a value (e.g., “5”)
2. Select a conversion mode (e.g., “Liters to Gallons”)
3. Click Convert to see the result
4. Use the ↔ Switch button to reverse the conversion direction
5. Explore different conversion types for all your volume measurement needs