Liters to ml Converter

How to use the liters to ml converter

1. Enter a number in the Liters field to convert liters to ml.
2. Alternatively, type a value in the Milliliters field to convert ml to liters.
3. The result updates automatically as you type.
4. Use the examples below the fields for quick reference values.

How the conversion works

The metric system defines one liter as exactly 1000 milliliters. To convert liters to milliliters, multiply by 1000. To convert milliliters to liters, divide by 1000.

For example, if you have 2.4 liters of liquid:

2.4 L x 1000 = 2400 mL

Going the other direction, 350 milliliters becomes:

350 mL / 1000 = 0.35 L

This relationship is exact because the prefix "milli" always means one-thousandth in the International System of Units (SI). There are no rounding factors or approximations involved when converting between these two units.

Common volume conversions

Here is a reference table of frequently used volumes converted between liters and milliliters.

If you need to work with US customary units instead, you can use our tools for cups to ml, teaspoons to ml, or ml to ounces.

Liters vs. milliliters in practice

Liters are typically used for larger volumes such as beverages, fuel, and containers. You will see liters on soda bottles, milk cartons, and gas pumps. Milliliters are preferred for smaller quantities like medicine doses, cooking extracts, and laboratory reagents.

In cooking, recipes from most countries outside the United States use milliliters for liquids under one liter and liters for anything above. A recipe calling for 250 mL of milk is asking for a quarter of a liter. Understanding how to move between liters to milliliters quickly helps avoid measurement errors in the kitchen.

In medicine, dosages are almost always written in milliliters to prevent confusion. A prescription for 10 mL of cough syrup must not be mistaken for 10 L, which would be a dangerous error. The factor of 1000 makes it straightforward to verify that the numbers make sense for the context.

Spelling: liters, litres, and millilitres

You may see this unit spelled as "liters" or "litres" depending on the region. Both spellings refer to the same SI unit of volume. The spelling "liter" is standard in the United States, while "litre" is used in the United Kingdom, Canada, Australia, and most other English-speaking countries.

The same applies to milliliters and millilitres. Regardless of spelling, the conversion remains identical: one litre equals 1000 millilitres. When searching online, queries like "ml to litres" and "ml to liters" return the same mathematical relationship.

The official SI symbol for liter is an uppercase L, though a lowercase l is also accepted. The symbol for milliliter is mL or ml. Using mL is recommended because a lowercase l can look like the number 1 in some fonts.

Relationship to other metric units

A milliliter is exactly equal to one cubic centimeter (cm³). This means that 1000 mL is also 1000 cm³, which forms a cube measuring 10 cm on each side. That cube holds exactly one liter of liquid.

For larger volumes, 1000 liters make up one cubic meter (m³). If you are working with imperial or US customary units, you might also need to convert to gallons or quarts. Our liters to gallons and liters to quarts converters handle those calculations using the exact NIST-defined factors.

Because the metric system is base-10, converting between liters to ml requires no complex fractions. You simply shift the decimal point three places: right when going from liters to milliliters, and left when going from milliliters to liters.

Worked examples