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
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)
40 millimeters is 4 centimeters.
4 centimetres
40 millimeters is 4 centimeters.
There are 49 centimeters in 490 millimeters. To convert millimeters to centimeters, you divide the value in millimeters by 10.
There are ten millimeters in a centimeter, so all you have to do is divide 40 by 10, which equals 4.
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.
4 centimetres.There are 4 centimeters in 40 millimeters. 40 millimeters x 1 centimeter/10 millimeters = 4 centimeters 1 centimeter = 10 millimeters
40 millimeters=4 centimeters