18 centimeters is equal to 180 millimeters.

convert 18 centimeters into Millimeters, Meters, Kilometers, Inches, Yards, US Survey Feet, Feet, Miles, etc...

convert 180 millimeters into Centimeters, Meters, Kilometers, Inches, Yards, US Survey Feet, Feet, Miles, etc...

energy:
Gigawatt-hours to Joules

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