Divide millimeters by 10: 40 millimeters is 4centimeters.
There are 10 millimeters in one centimeter. So if you wanted to convert centimeters into millimeters you would have to multiply the centimeters by 10. example: 40 centimeters * 10= 400 millimeters
40 millimeters is 4 centimeters.
In order to subtract, we need all units to be equal. We can either convert centimeters to millimeters or millimeters to centimeters.4 centimeters = 40 millimeters40 millimeters - 10 millimeters = 30 millimeters. (3cm)10 millimeters = 1 centimeter4 centimeters - 1 centimeter = 3 centimeters (30 mm)
4 centimetres
40 millimeters is 4 centimeters.
There are 49 centimeters in 490 millimeters.
4 centimeters is equal to 40 millimeters.
There are ten millimeters in a centimeter, so all you have to do is divide 40 by 10, which equals 4.
190 millimeters is equal to 19 centimeters. To convert millimeters to centimeters, you divide by 10.
First, convert inches to centimeters. One inch is equivalent to 2.5 centimeters. Then, convert to millimeters- one centimeter is ten millimeters.
10 centimeters
To convert centimeters into millimeters you need to know how that much one centimeter equals 10 millimeters. So you times the number of centimeters by ten to convert to millimeters. Here's an example: Convert 12 centimeters to millimeters. 12 cm x 10 mm/cm = 120 mm Note that our conversion factor is 10 millimeters per 1 centimeter, or 10 mm/cm. The cm units will "cancel out" and leave the answer in millimeters.