How would you convert 4meters 20 centimeters to centimeters?

1 meter = 100 cm

4m * 100cm/m = 400 cm.

4m + 20cm = 400cm + 20cm = 420 cm.

To convert 4 meters 20 centimeters to centimeters, you need to know that 1 meter equals 100 centimeters.

To convert meters to centimeters, you multiply the number of meters by 100, and then add the number of centimeters.

In this case, you have 4 meters and 20 centimeters.
First, convert the meters to centimeters:
4 meters * 100 centimeters/meter = 400 centimeters

Then, add the 20 centimeters:
400 centimeters + 20 centimeters = 420 centimeters

So, 4 meters 20 centimeters is equal to 420 centimeters.