Volume Converter
Convert between 23 volume units instantly with our free volume converter. Covers metric (mL, L, m³, cm³), US customary (fl oz, cup, pint, quart, gallon, barrel), UK imperial (fl oz, pint, quart, gallon), and cooking measures (tsp, tbsp — both US and UK). Enter a value and see all equivalent volumes in a grouped conversion table. No signup required — all conversions run locally in your browser.
Select your source and target units, enter a value, and click Convert. The volume converter shows the direct result plus a full conversion table across all 23 units — metric, US customary, UK imperial, and cooking measures. All conversions run instantly in your browser.
Why Use Our Volume Converter?
23 Volume Units in One Converter
Our volume converter covers all major volume units: metric (mL, cL, dL, L, m³, cm³, mm³), US customary (fl oz, cup, pint, quart, gallon, barrel, in³, ft³), UK imperial (fl oz, pint, quart, gallon), and cooking measures (tsp, tbsp — both US and UK). Convert any unit to all others simultaneously.
Instant Volume Conversion with Full Table
Convert volume units instantly in your browser with zero wait time. Our volume converter shows the direct result plus a complete conversion table across all 23 units grouped by system — so you see every equivalent value in one click.
Secure Volume Converter Online
All volume conversions happen locally in your browser using exact conversion factors. Your values are never sent to any server, ensuring 100% privacy every time you use our volume converter online.
Volume Converter - No Installation
Use our volume converter directly in any browser with no downloads, apps, or accounts required. Convert between milliliters, liters, gallons, cups, and all other volume units from any device, anywhere, completely free.
Common Use Cases for Volume Converter
Cooking & Recipe Scaling
Home cooks and professional chefs use our volume converter to adapt recipes between US and UK measurements. Convert cups to milliliters, tablespoons to fluid ounces, or US gallons to liters when following international recipes.
US vs. UK Measurement Differences
A US gallon (3.785 L) and a UK gallon (4.546 L) are not the same — neither are US and UK pints, quarts, or fluid ounces. Our volume converter handles both systems separately so you always get the correct value for your region.
Scientific & Laboratory Work
Scientists and lab technicians use our volume converter to convert between metric units — milliliters, centiliters, deciliters, liters, and cubic meters — for solution preparation, titration, and equipment calibration.
Engineering & Industrial Applications
Engineers use our volume converter to convert between cubic inches, cubic feet, cubic meters, and barrels for fluid system design, tank sizing, and flow rate calculations across metric and imperial specifications.
Fuel & Liquid Purchasing
Travellers and fleet managers use our volume converter to compare fuel prices across countries. Convert US gallons to liters for European fuel pricing, or UK gallons to US gallons when comparing vehicle fuel economy ratings.
Beverage & Brewing Industry
Brewers, distillers, and beverage producers use our volume converter to scale recipes between milliliters, liters, US barrels, and gallons. The full conversion table shows all equivalent volumes simultaneously for batch planning.
Understanding Volume Units
What is a Volume Converter?
A volume converter transforms a measurement of three-dimensional space from one unit to an equivalent value in another unit. Volume is measured in three main systems: the metric system (milliliters, liters, cubic meters), the US customary system (fluid ounces, cups, pints, quarts, gallons), and the UK imperial system (which uses the same names as US units but different values). Our volume converter covers all 23 common volume units across these systems plus cooking measures (teaspoons and tablespoons in both US and UK variants), using exact internationally recognised conversion factors.
How Our Volume Converter Works
- 1. Select Your Source and Target Units: Choose the unit you are converting from and the unit you want to convert to from the 23 available options. Use the swap button (⇄) to instantly reverse the conversion direction.
- 2. Enter Your Value: Type the volume value you want to convert. The volume converter accepts any positive number, including decimals. The input label updates automatically to show the selected unit.
- 3. View the Result and Full Conversion Table: Click Convert Volume to see the direct result plus a complete table showing your input value converted to all 23 volume units, grouped by measurement system — metric, US customary, UK imperial, and cooking.
Metric Volume Units
- Milliliter (mL): 0.001 L — the standard small volume unit in medicine and cooking
- Centiliter (cL): 0.01 L — used in European beverage labelling
- Deciliter (dL): 0.1 L — used in nutrition and blood test results
- Liter (L): 1 L — the SI base unit for volume
- Cubic Meter (m³): 1,000 L — used in engineering and large-scale fluid measurement
- Cubic Centimeter (cm³): 0.001 L — identical to 1 mL; used in medicine and engineering
US Customary Volume Units
- Fluid Ounce (US): 29.57 mL — 1/8 of a US cup
- Cup (US): 236.6 mL — 8 fl oz; standard US cooking measure
- Pint (US): 473.2 mL — 2 cups; used for beer and milk in the US
- Quart (US): 946.4 mL — 2 US pints; used for large liquid volumes
- Gallon (US): 3.785 L — 4 US quarts; standard US fuel measure
UK Imperial Volume Units — Key Differences from US:
- Fluid Ounce (UK): 28.41 mL — slightly larger than US fl oz
- Pint (UK): 568.3 mL — 20 UK fl oz; larger than US pint (473 mL)
- Gallon (UK): 4.546 L — 20% larger than US gallon (3.785 L)
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Frequently Asked Questions About Volume Converter
A volume converter transforms a measurement of three-dimensional space from one unit to an equivalent value in another unit. Our volume converter supports 23 units across metric (mL, L, m³, cm³), US customary (fl oz, cup, pint, quart, gallon, barrel), UK imperial (fl oz, pint, quart, gallon), and cooking measures (tsp, tbsp in both US and UK variants). It shows the direct result plus a full conversion table in one click.
There are exactly 1,000 milliliters (mL) in 1 liter (L). This is a metric conversion: 1 L = 1,000 mL = 100 cL = 10 dL = 0.001 m³. Our volume converter shows all metric equivalents simultaneously when you enter a value.
There are exactly 3.785411784 liters in 1 US gallon. A US gallon equals 4 US quarts, 8 US pints, 16 US cups, or 128 US fluid ounces. Note that a UK (imperial) gallon is larger at 4.54609 liters.
A US gallon equals 3.785 liters while a UK (imperial) gallon equals 4.546 liters — about 20% larger. Similarly, a US pint is 473 mL while a UK pint is 568 mL. Our volume converter handles both systems separately with clearly labelled units to avoid confusion.
There are 16 US tablespoons in 1 US cup (236.6 mL). Each US tablespoon equals 3 US teaspoons or approximately 14.79 mL. UK tablespoons (17.76 mL) and teaspoons (5.92 mL) are slightly different from US measures.
1 cubic centimeter (cm³) equals exactly 1 milliliter (mL). This is because 1 cm³ = (0.01 m)³ = 0.000001 m³ = 0.001 L = 1 mL. The two units are interchangeable — cm³ is used in engineering and medicine while mL is used in cooking and chemistry.
Our volume converter uses exact, internationally recognised conversion factors (e.g. 1 US gallon = 3.785411784 L exactly by US definition). Results are displayed with up to 8 significant figures. For cooking, the displayed precision is more than sufficient for any practical measurement.
Yes! Our volume converter is 100% free with no signup, no ads, and no usage limits. Convert between milliliters, liters, gallons, cups, and all other volume units as many times as you need — completely free, forever.
Absolutely. All volume conversions happen locally in your browser using JavaScript. Your values are never sent to any server, ensuring complete privacy every time you use our volume converter online.