Volume Converter
Convert between liters, gallons, cubic meters, and 70+ volume units instantly
Popular Conversions
Volume Conversion Table
| From | To | Multiply By |
|---|---|---|
| Liter | Gallon (US) | 0.264172 |
| Gallon (US) | Liter | 3.78541 |
| Liter | Gallon (UK) | 0.219969 |
| Gallon (UK) | Liter | 4.54609 |
| Cubic Meter | Cubic Foot | 35.3147 |
| Cubic Foot | Cubic Meter | 0.0283168 |
| Milliliter | Teaspoon (US) | 0.202884 |
| Tablespoon (US) | Milliliter | 14.7868 |
| Fluid Ounce (US) | Milliliter | 29.5735 |
| Cup (US) | Milliliter | 236.588 |
| Pint (US) | Liter | 0.473176 |
| Quart (US) | Liter | 0.946353 |
| Barrel (Oil) | Liter | 158.987 |
| Cubic Inch | Milliliter | 16.3871 |
| Cubic Yard | Cubic Meter | 0.764555 |
How to Convert Volume Units
Liters to Gallons (US)
To convert liters to US gallons, multiply the volume by 0.264172.
Example: A 5-liter bottle equals approximately 1.32 gallons.
Gallons (US) to Liters
To convert US gallons to liters, multiply the volume by 3.78541.
Example: A 10-gallon fuel tank holds about 37.85 liters.
Milliliters to Cups (US)
To convert milliliters to US cups, divide the volume by 236.588.
Example: 250 mL of milk is slightly more than 1 cup.
Cubic Meters to Cubic Feet
To convert cubic meters to cubic feet, multiply by 35.3147.
Example: A 2 cubic meter space equals about 70.63 cubic feet.
Fluid Ounces (US) to Milliliters
To convert US fluid ounces to milliliters, multiply by 29.5735.
Example: An 8 oz glass holds approximately 237 milliliters.
Cubic Inches to Cubic Centimeters
To convert cubic inches to cubic centimeters, multiply by 16.3871.
Example: A 10 cubic inch engine displacement equals 163.87 cc.
Common Volume Units Explained
Metric unit equal to 1 cubic decimeter. Commonly used for beverages and liquids worldwide.
US customary unit equal to 3.785 liters. Used for fuel, milk, and large liquid quantities in the USA.
Imperial unit equal to 4.546 liters. Larger than US gallon, used in the United Kingdom and some Commonwealth countries.
One-thousandth of a liter. Perfect for measuring small liquid amounts in cooking and medicine.
SI unit for volume. One cubic meter equals 1,000 liters. Used for large-scale measurements.
Imperial unit equal to 28.317 liters. Common in construction and shipping industry calculations.
US customary unit equal to 29.57 mL. Standard measurement for beverages and recipes in America.
Cooking measurement equal to 236.59 mL or 8 fluid ounces. Essential for baking and recipes.
Equal to 473.18 mL or 2 cups. Commonly used for beer, ice cream, and produce measurements.
Equal to 946.35 mL or 2 pints. Used for motor oil, paint, and liquid containers.
Petroleum industry standard equal to 158.99 liters or 42 US gallons. Global oil trading unit.
Also called cc or milliliter. Used for engine displacement and medical dosages.
Frequently Asked Questions
How many liters are in a gallon?
A US gallon contains 3.785 liters, while a UK (imperial) gallon contains 4.546 liters. The difference exists because the US and UK use different gallon definitions. When converting, always specify which gallon type you’re using to get accurate results.
What is the difference between volume and capacity?
Volume measures the amount of three-dimensional space an object occupies, while capacity refers to how much a container can hold. Volume applies to both solids and liquids, whereas capacity typically describes liquid measurements in containers like bottles, tanks, or cups.
How do I convert cubic meters to liters?
Multiply cubic meters by 1,000 to get liters. One cubic meter equals exactly 1,000 liters. For example, 2.5 m³ × 1,000 = 2,500 liters. This conversion is straightforward because the liter is defined as one cubic decimeter (0.001 m³).
Why are there different gallon measurements?
The US gallon (3.785 L) and UK gallon (4.546 L) differ due to historical measurement standardization. The US adopted the wine gallon standard in 1824, while the UK uses the imperial gallon. Always specify which system you’re using when measuring or converting gallons.
How many milliliters are in a cup?
A US customary cup contains 236.588 milliliters, a metric cup equals 250 mL, and a UK cup holds 284.131 mL. Recipe measurements vary by region, so check which cup standard your recipe uses for accurate cooking and baking results.
What is the most accurate way to measure volume?
For liquids, use graduated cylinders or volumetric flasks for laboratory precision. In cooking, liquid measuring cups with clear markings work best. For irregular solid objects, water displacement provides accurate volume measurements by submerging the object and measuring the water level change.
How do you convert cooking measurements?
Common cooking conversions include: 1 tablespoon = 14.79 mL, 1 teaspoon = 4.93 mL, 1 cup = 236.59 mL, and 1 fluid ounce = 29.57 mL. Keep a conversion chart handy when following international recipes to maintain accurate ingredient proportions and achieve consistent cooking results.
What is a cubic inch used for?
Cubic inches measure small volumes, commonly used for engine displacement in automobiles and motorcycles. One cubic inch equals 16.387 cubic centimeters. For example, a 350 cubic inch engine has a displacement of approximately 5.7 liters. This unit remains popular in American automotive specifications.
Volume Conversion Applications
Cooking & Baking
Recipe conversions between metric and imperial measurements require accurate volume conversions. Converting cups to milliliters or tablespoons to liters helps follow international recipes precisely and achieve consistent results in the kitchen.
Fuel Consumption
Fuel efficiency calculations often require converting gallons to liters. Different countries measure fuel economy in miles per gallon (MPG) or liters per 100 kilometers (L/100km), making volume conversion essential for comparing vehicle efficiency.
Scientific Research
Laboratory work demands precise volume measurements in milliliters, microliters, and cubic centimeters. Accurate conversions between these units ensure proper chemical concentrations, experimental reproducibility, and safety in scientific procedures.
Construction Projects
Building projects require volume calculations for concrete, water tanks, and material quantities. Converting cubic meters to cubic feet or cubic yards helps estimate costs, order materials, and plan construction logistics effectively.
Swimming Pool Maintenance
Pool volume determines chemical treatment amounts. Converting gallons to liters helps calculate proper chlorine, pH adjusters, and other chemical quantities needed for safe and clean swimming pool water maintenance.
Shipping & Logistics
Freight calculations use cubic meters or cubic feet to determine shipping costs. Accurate volume conversions help optimize container loading, calculate dimensional weight, and estimate transportation expenses for domestic and international shipments.