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

Method 1
Method 1 of 2:

Changing Liters into Milliliters

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  1. 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]
  2. There are 1,000 times as many milliliters as there are liters.[2]
    • 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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  3. “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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  1. 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]
  2. Remember that there are 1,000 milliliters in every liter.[5]
    • 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.
  3. 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] In the U.S., units like cups, pints, quarts, and gallons are more commonly used to measure volume.[7]
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Community Q&A

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  • Question
    How many liters are there in 5000ml?
    Community Answer
    Community Answer
    Since 1,000 ml = 1 liter, 5,000 ml = 5 liters.
  • Question
    How much is 2640 milliliters in liters?
    Community Answer
    Community Answer
    2,640 ml / 1,000 ml per liter = 2.640 liters.
  • Question
    What is 1 liter 722 milliliters converted into milliliters?
    Community Answer
    Community Answer
    1 liter + 722 milliliters = 1,000 ml + 722 ml = 1,722 milliliters.
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About This Article

Grace Imson, MA
Reviewed by:
Math Teacher
This article was reviewed by Grace Imson, MA and by wikiHow staff writer, Sophia Latorre. Grace Imson is a math teacher with over 40 years of teaching experience. Grace is currently a math instructor at the City College of San Francisco and was previously in the Math Department at Saint Louis University. She has taught math at the elementary, middle, high school, and college levels. She has an MA in Education, specializing in Administration and Supervision from Saint Louis University. This article has been viewed 210,519 times.
106 votes - 71%
Co-authors: 14
Updated: February 14, 2024
Views: 210,519
Categories: Conversion Aids
Thanks to all authors for creating a page that has been read 210,519 times.

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