How to Convert Liters to Milliliters

Co-authored by Sophia Bell Reviewed by Grace Imson, MA

Last Updated: August 8, 2024 Fact Checked

Converting liters (L) to milliliters (mL) is super simple. All you need to do is multiply the number of liters by 1,000.

Convert Liters to Milliliters

Use this conversion calculator to convert liters to milliliters.

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Formula

Method 1

Method 1 of 2:

Changing Liters into Milliliters

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A great trick for remembering the difference between liters and milliliters lies in knowing the definition of the prefix. Since “milli” means one-thousandth, a milliliter is 1/1,000 of a liter.^{[1]
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2
Multiply the number of liters (L) by 1,000 to find the number of milliliters (mL). There are 1,000 times as many milliliters as there are liters.^{[2]
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- For instance, say you have 3 liters. Simply multiply 3 liters by 1,000 to get 3,000 milliliters. Therefore, 3 L = 3,000 mL.
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“Volume,” also known as capacity, refers to how much three-dimensional space an object occupies. In most cases, liters and milliliters are used to measure the volume of liquid or gas.^{[3]
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Method 2

Method 2 of 2:

Converting Milliliters Back into Liters

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Keep in mind that “milli” means “one-thousandth,” so a milliliter is one-thousandth the size of a liter. Therefore, there will be fewer liters than milliliters.^{[4]
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2
Divide the number of milliliters (mL) by 1,000 to get the number of liters (L). Remember that there are 1,000 milliliters in every liter.^{[5]
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- For instance, let’s say you have 7,500 milliliters. Divide 7,500 milliliters by 1,000 to get 7.5 liters. So, 7,500 mL = 7.5 L.
If you don’t have a lot of experience measuring volume in milliliters or liters, that may be because you aren’t familiar with the metric system, and both mL and L are metric units.^{[6]
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Liters to Milliliters Converter

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Question

How do I convert 0.766 liters to milliliters?

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Community Answer

To convert 0.766 liters to milliliters, you should multiply 0.766 by 1000. The result is 766 milliliters.

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How do you convert 6 3/4litres into mililitres?

Community Answer

(6 3/4 liters)(1000 ml / l) = 27/4 x 1000 = 6,750 milliliters.

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How do I convert 7.5 liters to milliliters?

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Multiply 7.5 by 1,000. (7.5 liters)(1,000 milliliters / liter) = 7,500 milliliters.

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