If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Basic geometry and measurement

Unit 5: Lesson 4

Converting units of length

Converting metric units of length

Learn convert kilometers, meters, and centimeters. Created by Sal Khan.

Want to join the conversation?

• how do you convert 75cm into meters
and millimeters there is no video for that
• A meter is 100 centimeters, so 75 centimeters is 0.75 meters.
There are 10 millimeters in a centimeter, so 75 centimeters is 750 millimeters.
• a meter is 1000
• a meter has 1000 millimeters
• Do people use hectameter in math?
• yeah sometimes (rarely)
• This video seems a little complicated don't you think?
• Yes, it seems complicted.
• im so confused i need decimals
• It does not tell you about millimeters so how can you know what the answer is?
• how do you convert 12 L into mL? I don't know what mL means
• mL meas milliliter so 12 L= 12000 mL cause 1 L=1000 mL
• Convert 1 1/4km into metres
• what are centimeters meters decimeters decameters millimeters ?