You may have to convert a volume expressed in milliliters to liters to complete a math problem on a test. Knowing how to convert milliliters to liters might also be necessary when performing a science experiment. Many conversions require you to multiply by a conversion factor, but this task can be accomplished by simply moving the decimal point. By definition, there are 1,000 milliliters in a liter.

### Step 1

Write down the number of milliliters you want to convert. For example, suppose you want to convert 410 milliliters to liters.

### Step 2

Make sure that you place the decimal point of your number correctly. In the example, the decimal point would come after the "0." So you would write "410."

### Step 3

Move the decimal point three places to the left. You should obtain the number "0.41" as your answer. So 410 milliliters equals 0.41 liter.