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Volume Converter

Measurement

Free online volume converter. Convert between millilitres, litres, cubic metres, US fluid ounces, cups, pints, quarts, gallons, and UK imperial volumes.

Reviewed by the thecalcu.com team · Last updated July 28, 2026

From
To
All conversionsfor 1 Litres (L)
Millilitres (mL)1000
Centilitres (cL)100
Litres (L)1
Cubic Metres (m³)0.001
Cubic Centimetres (cm³)1000
US Teaspoons202.8842
US Tablespoons67.627884
US Fluid Ounces33.814057
US Cups4.2267571
US Pints2.1133785
US Quarts1.0566881
US Gallons0.26417218
UK Fluid Ounces35.195033
UK Pints1.7597548
UK Gallons0.21996925

What is a Volume?

A volume converter translates liquid and solid volume measurements between different unit systems, metric, US customary, and UK imperial. Volume is one of the most practically important measurements in daily life, yet also one of the most inconsistently standardised across countries and contexts.

In India, volume is measured in millilitres and litres for liquids, and cubic metres for large quantities such as water tanks and fuel storage. In the United States, recipes use teaspoons, tablespoons, cups, pints, quarts, and gallons, units that do not correspond neatly to any metric measure. The UK adds further complexity with its own fluid ounce, pint, and gallon, all of which differ from US measurements despite sharing identical names.

The volume converter covers all three systems: metric (mL, cL, L, m³, cm³), US customary (tsp, tbsp, fl oz, cup, pint, quart, gallon), and UK imperial (fl oz, pint, gallon). For physical dimension conversions alongside volume work, the Length Converter handles distances and sizes. For weight-to-volume contexts in cooking or commodity trading, see the Weight & Mass Converter.

Volume measurement accuracy matters most in cooking and chemistry. In baking, a 1-cup deviation can cause a recipe to fail. In medicine and chemistry, precise volumetric measurement is essential for dosing and reactions. The volume converter eliminates the arithmetic that introduces errors in both contexts.

Why Use a Volume Converter?

The metric-to-US conversion factors are not intuitive. 1 US cup = 236.588 mL is not a round number, and 1 US gallon = 3.78541 litres is similarly awkward. Chaining conversions, gallons to quarts to cups to tablespoons, compounds the arithmetic difficulty and the opportunity for error.

For Indian users adapting US recipes, this conversion is particularly common. American food blogs, YouTube cooking channels, and international recipe apps use cups and tablespoons, while Indian kitchen equipment and ingredient packaging uses mL and grams. The volume converter bridges that gap for every ingredient in a recipe simultaneously via the reference table.

For professionals managing imports, exports, or international purchases of chemicals, beverages, or fuel where volume specifications differ by origin country, having accurate conversions on hand prevents costly procurement discrepancies.

Who Should Use This Calculator?

Home cooks and bakers adapting American or UK recipes given in cups, tablespoons, or fluid ounces rather than grams and millilitres. The reference table shows all equivalent volumes at once, making ingredient scaling straightforward without repeated conversions.

Healthcare professionals and pharmacists converting between mL and other units for liquid medication dosing, particularly for imported drug references that specify doses in fluid ounces or US teaspoons.

Civil and mechanical engineers working with fluid capacities, tank volumes, pipeline flow, cooling system sizing, where m³, litres, and gallons appear across different specifications from different vendors or countries.

NRIs and international shoppers comparing product sizes across markets where beverages, household liquids, and food items use different volume conventions on the label.

Brewers and distillers who work across both metric and US-standard barrel and gallon measurements, particularly when scaling recipes between systems.

What Insights Does the Volume Converter Give You?

The converted value in the TO field updates instantly as you type. For cooking, 2–3 decimal places are sufficient. For scientific and pharmaceutical applications, up to 8 significant figures are available.

The reference table shows the same volume in every supported unit simultaneously. Entering 2 US cups shows 473.2 mL, 16 tbsp, 32 tsp, 1 US pint, and 0.473 L at the same time, giving complete flexibility in how to measure an ingredient, regardless of what measuring equipment is available.

How to use this Volume calculator

  1. Enter the volume in the FROM field. Decimals work: 2.5 cups, 0.75 litres.
  2. Select the FROM unit from the dropdown. Units are grouped as Metric, US Customary, and UK Imperial.
  3. Select the TO unit for your target measurement.
  4. Read the result instantly in the TO field. The reference table updates simultaneously.
  5. Type in the TO field to reverse-convert, enter the target amount and the FROM field back-calculates.
  6. Swap, the ⇅ button reverses FROM and TO without clearing the entered value.

Formula & Methodology

All volume conversions use litres (L) as the base unit. Each unit is defined by its litre equivalent:

Conversion formula:

Result = Input × (F_from ÷ F_to)

Where F_from is the litre equivalent of the source unit and F_to is the litre equivalent of the target unit.

Key conversion factors:

- 1 mL = 0.001 L (identical to 1 cm³)
- 1 m³ = 1,000 L
- 1 US tsp = 0.004929 L
- 1 US tbsp = 3 tsp = 0.014787 L
- 1 US fl oz = 0.029574 L
- 1 US cup = 8 fl oz = 0.236588 L
- 1 US pint = 2 cups = 0.473176 L
- 1 US quart = 2 pints = 0.946353 L
- 1 US gallon = 4 quarts = 3.78541 L
- 1 UK fl oz = 0.028413 L
- 1 UK pint = 20 UK fl oz = 0.568261 L
- 1 UK gallon = 8 UK pints = 4.54609 L

Worked example, adapting an American recipe:

A recipe calls for 2 cups of whole milk. To find the equivalent in millilitres:

2 × (0.236588 L ÷ 0.001 L) = 2 × 236.588 = 473.2 mL

A standard 500 mL packet of milk will exceed the recipe requirement by approximately 27 mL (about 5.6%). For most baked goods this is acceptable; for delicate pastry or custard recipes where liquid ratio is critical, it is worth measuring exactly 473 mL using a measuring jug.

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Frequently Asked Questions

A volume converter translates measurements of liquid or solid volume between different unit systems, such as millilitres, litres, cubic metres, US cups, fluid ounces, pints, quarts, and gallons. Volume units differ significantly between metric and US customary systems, and between US and UK imperial measurements, making a converter essential for international recipes, scientific work, and fluid or fuel calculations.
One US cup equals exactly 236.588 millilitres. This is the standard cup used in American recipes. Note that an Australian cup is 250 mL, so when adapting international recipes it is important to confirm which cup standard the recipe uses.
Divide litres by 3.78541 to get US gallons, or multiply by 0.264172. For example, a 10-litre can holds approximately 2.64 US gallons. Note that a UK imperial gallon is larger at 4.54609 litres, so always confirm which gallon a measurement refers to.
A US fluid ounce equals approximately 29.57 mL while a UK fluid ounce equals approximately 28.41 mL, a difference of about 4%. Although they sound the same, using the wrong standard in pharmaceutical dosing or precision brewing produces measurable errors.
Sixteen US tablespoons make one US cup. Each US tablespoon equals 3 teaspoons or approximately 14.79 mL. The full chain is: 1 cup = 16 tbsp = 48 tsp = 8 fl oz = 236.6 mL.
Multiply cubic metres by 1,000 to get litres. One cubic metre equals exactly 1,000 litres. This conversion is commonly needed in civil engineering for water tank capacity, plumbing design, and large-scale liquid storage.
One US teaspoon equals approximately 4.929 mL. Indian kitchen practice typically rounds this to 5 mL for simplicity, and medical dosing in India uses 5 mL as the standard teaspoon, which is why many liquid medicines are prescribed in 5 mL doses.
A US gallon equals 3.785 litres while a UK imperial gallon equals 4.546 litres, the UK gallon is about 20% larger. This affects fuel economy comparisons: a car rated at 40 mpg in the UK would rate approximately 33 mpg under US measurement for identical performance.
Divide millilitres by 250 if the recipe uses an Australian-style cup (common in many Indian cookbooks published post-2000), or by 236.6 for a US cup. Some older Indian recipe books define a cup as 200 mL, so always check the specified cup size before scaling a recipe.
One US gallon equals approximately 3.785 litres. For context, at ₹100 per litre, petrol priced in US gallons would cost approximately ₹379 per gallon, useful for comparing fuel prices between India and the US.
One cubic centimetre (cm³) equals exactly one millilitre (mL), these units are completely interchangeable. cm³ is standard in chemistry and medicine, while mL is used in cooking and nutrition, but they measure the same quantity.
One litre equals approximately 33.81 US fluid ounces or 35.20 UK fluid ounces. This is useful when reading nutrition labels on imported packaged foods that specify serving sizes in fluid ounces, where Indian labelling uses mL.
Also known as
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