Volume Converter

This free online volume conversion tool allows you to quickly and accurately convert a volume value into a wide range of commonly used metric, imperial, and US customary units. Whether you’re measuring liquids for cooking, calculating container capacities, working with construction volumes, or converting international measurements, this calculator provides fast and reliable results.

With this volume calculator, you can convert between Millilitres, Litres, Cubic Metres, Gallons, Quarts, Pints, Tablespoons, Teaspoons, US Gallons, US Quarts, US Pints, US Cups, US Ounces, US Tablespoons, US Teaspoons, Cubic Inches, and Cubic Feet. Simply enter a value into any of the available input fields, and the calculator will instantly convert and display the equivalent volumes across all other supported units, eliminating the need for manual calculations.

Enter volume

Millilitre

Litre

Cubic Metre

m³

Cubic Foot

ft³

Gallon (UK)

gal

Gallon (US)

gal (US)

Quart (UK)

Quart (US)

qt (US)

Pint (UK)

Pint (US)

pt (US)

Tablespoon (UK)

tbsp

Tablespoon (US)

tbsp (US)

Teaspoon (UK)

tsp

Teaspoon (US)

tsp (US)

Cup (US)

cup

Fluid Ounce (US)

fl oz (US)

Cubic Inch

in³

Decimal places

Calculated in your browser as you type. Very small results can show as 0 when rounded to few decimal places.

How to use it

The volume conversion calculator is a handy webtool to use to convert from one volume to another.

Enter a valueType a volume into any one of the fields. Any number is accepted, including the ‘e’ exponent such as 2e3.
Read the resultsAll the other fields update automatically. UK and US units sit side by side so they are easy to compare.
Copy a valueClick the clipboard button beside any field to copy it.
Tidy the numbersUse Decimal places to round the results, or leave it on full precision.

Handy conversions

1 UK pint

Is 568.261 mL, about 20% bigger than a US pint at 473.176 mL.

1 US gallon

Is exactly 3.785411784 litres, and a UK gallon is exactly 4.54609 litres.

1 litre

Is 1,000 mL, or 1,000 cm³. A cubic metre holds 1,000 litres.

Volume unit comparison table

Unit name	Symbol	Description	Equals in litres
Millilitre	mL	Small metric unit commonly used for liquids	`0.001 L`
Litre	L	Standard metric unit of volume	`1 L`
Cubic Metre	m³	SI unit used for large volumes	`1,000 L`
Gallon (UK)	gal	Imperial unit used in the UK	`4.54609 L`
Quart (UK)	qt	Imperial subunit of a gallon	`1.13652 L`
Pint (UK)	pt	Common imperial unit for beverages	`0.568261 L`
Tablespoon (UK)	tbsp	Common cooking measurement	`0.015 L`
Teaspoon (UK)	tsp	Small cooking measurement	`0.005 L`
US Gallon	gal (US)	US customary unit of volume	`3.78541 L`
US Quart	qt (US)	US gallon subdivision	`0.946353 L`
US Pint	pt (US)	US quart subdivision	`0.473176 L`
US Cup	cup	Common US cooking unit	`0.236588 L`
US Ounce	fl oz (US)	US fluid ounce	`0.0295735 L`
US Tablespoon	tbsp (US)	US cooking tablespoon	`0.0147868 L`
US Teaspoon	tsp (US)	US cooking teaspoon	`0.00492892 L`
Cubic Inch	in³	Imperial unit used in engineering	`0.0163871 L`
Cubic Foot	ft³	Common construction and storage unit	`28.3168 L`

Helpful notes

Metric first

Metric units are standard in science and most countries worldwide.

Imperial vs US

Imperial and US units differ, especially gallons, quarts, and pints.

Cooking

Cooking measurements vary slightly by region.

Cubic units

Cubic units are often used in engineering and construction contexts.

Frequently asked questions

What is the difference between a UK and a US gallon?

A UK (imperial) gallon is 4.54609 litres and a US gallon is 3.785411784 litres, so the UK gallon is about 20% bigger. The same difference runs through quarts and pints.

How many millilitres are in a cup?

A US cup is about 236.6 mL. Metric cups used in some countries, including Australia, are 250 mL, which this tool does not include.

What size are the UK tablespoon and teaspoon?

This tool uses the metric spoons: a tablespoon is 15 mL and a teaspoon is 5 mL. Cooking measurements vary by region, and some countries use a 20 mL tablespoon.

How many litres are in a cubic metre?

There are 1,000 litres in a cubic metre, and 1,000 millilitres in a litre.

Can I type very large or very small numbers?

Yes. Any number is accepted, including scientific notation such as 2.5e-3.

Is anything sent to a server?

No. The conversion is calculated in your browser as you type.