Volume Conversion

Convert From Liters (L)
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Amount 1
L
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Convert To Gallons (gal)
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1 L
Liters
L
0.264172 gal
Gallons
gal
1 L = 0.264172 gal
Conversion Rate
1 gal = 3.78541 L
Inverse Rate

Quick Conversions

All Unit Conversions

Unit Symbol Value Category

Common Volume Comparisons

Volume Units Explained

Metric System

  • Milliliter (mL): 1/1000 of a liter
  • Centiliter (cL): 1/100 of a liter
  • Deciliter (dL): 1/10 of a liter
  • Liter (L): Base unit of volume
  • Cubic Centimeter (cm³): Equal to 1 mL
  • Cubic Meter (m³): 1000 liters

Imperial System

  • Teaspoon (tsp): 4.92892 mL
  • Tablespoon (tbsp): 14.7868 mL
  • Fluid Ounce (fl oz): 29.5735 mL
  • Cup (c): 236.588 mL
  • Pint (pt): 473.176 mL
  • Quart (qt): 946.353 mL
  • Gallon (gal): 3.78541 L

Cubic Units

  • Cubic Inch (in³): 16.3871 mL
  • Cubic Foot (ft³): 28.3168 L
  • Cubic Yard (yd³): 764.555 L
  • Cubic Centimeter (cm³): 1 mL
  • Cubic Meter (m³): 1000 L

Other Units

  • Barrel (oil): 158.987 L
  • Barrel (US): 119.24 L
  • Hogshead: 238.481 L
  • Acre-foot: 1,233,482 L
  • Olympic Swimming Pool: 2,500,000 L

About Volume Conversions

The Volume Converter helps you convert between different volume measurement units used in various systems including metric, imperial, US customary, and others. Essential for cooking, chemistry, engineering, construction, and everyday calculations.

Common Conversion Factors

From To Multiply By Example
Liters (L) Gallons (gal) 0.264172 5 L = 1.32086 gal
Gallons (gal) Liters (L) 3.78541 2 gal = 7.57082 L
Milliliters (mL) Fluid Ounces (fl oz) 0.033814 500 mL = 16.907 fl oz
Cubic Meters (m³) Cubic Feet (ft³) 35.3147 1 m³ = 35.3147 ft³
Cups (c) Milliliters (mL) 236.588 2 cups = 473.176 mL

Volume Measurement Systems

Metric System

  • Based on the liter (L) as base unit
  • Uses decimal multiples and submultiples
  • Used worldwide except in the USA
  • 1 liter = 1000 milliliters
  • 1 cubic meter = 1000 liters

US Customary System

  • Used primarily in the United States
  • Based on the gallon (231 cubic inches)
  • Fluid ounce = 1/128 gallon
  • 1 US gallon = 3.78541 liters
  • Different from imperial gallon

Imperial System

  • Used in the United Kingdom
  • Based on the imperial gallon (4.54609 L)
  • 1 imperial gallon = 4.54609 liters
  • Larger than US gallon by ~20%
  • Used in some Commonwealth countries

Engineering Units

  • Cubic meters for large volumes
  • Cubic centimeters for small volumes
  • Cubic feet for construction
  • Barrels for oil and petroleum
  • Acre-feet for water resources

Practical Applications

Cooking & Baking

  • Cups to Milliliters: Recipe conversions
  • Teaspoons to Grams: Spice measurements
  • Fluid Ounces to Liters: Liquid ingredients
  • Pints to Liters: Milk and cream

Chemistry & Science

  • Milliliters to Liters: Lab solutions
  • Cubic Centimeters: Precise measurements
  • Microliters: Very small volumes
  • Molar Solutions: Concentration calculations

Construction

  • Cubic Yards: Concrete calculations
  • Cubic Meters: Material volumes
  • Cubic Feet: Room volumes
  • Gallons: Paint requirements

Automotive & Fuel

  • Liters to Gallons: Fuel efficiency
  • Cubic Inches: Engine displacement
  • Barrels: Oil measurements
  • Quarts: Oil changes

Volume Equivalents Reference

Beverage Containers

  • Standard soda can: 355 mL (12 fl oz)
  • Water bottle: 500 mL (16.9 fl oz)
  • Wine bottle: 750 mL (25.4 fl oz)
  • Beer pint: 473 mL (16 fl oz UK)
  • Milk jug: 3.78 L (1 gallon US)

Common Containers

  • Teaspoon: 5 mL
  • Tablespoon: 15 mL
  • Cup: 240 mL
  • Quart container: 946 mL
  • 5-gallon bucket: 18.9 L

Large Volumes

  • Bathtub: 150-300 L
  • Hot tub: 1,000-2,000 L
  • Swimming pool: 75,000-100,000 L
  • Water tanker: 10,000-20,000 L
  • Olympic pool: 2,500,000 L
Note: Volume conversions are based on standard conversion factors. US customary units differ from imperial units. For precise scientific calculations, use exact conversion factors and consider temperature effects on volume measurements. Cooking conversions are approximate and may vary by ingredient density.

How many milliliters are in a liter?

There are 1000 milliliters (mL) in 1 liter (L). The metric system uses decimal multiples: 1 L = 1000 mL = 100 centiliters = 10 deciliters.

What is the difference between US and imperial gallons?

A US gallon is 3.78541 liters, while an imperial gallon (UK) is 4.54609 liters. The imperial gallon is approximately 20% larger than the US gallon.

How do I convert cups to milliliters?

1 US cup = 236.588 milliliters. To convert cups to mL, multiply the number of cups by 236.588. For example, 2 cups = 2 × 236.588 = 473.176 mL.

What is a cubic meter equal to in liters?

1 cubic meter (m³) equals 1000 liters (L). Since 1 liter = 1000 cubic centimeters, and 1 cubic meter = 1,000,000 cubic centimeters, the conversion is straightforward.

How do I calculate tank volume in different units?

Calculate volume using dimensions (length × width × height) in consistent units. Convert to desired volume units using conversion factors. For cylindrical tanks: π × radius² × height.