Exactly the same way you multiply inches by inches, or miles by miles.
Do I need to go through the details ? OK: Multiply the numbers, and
give the product the unit of mm2 (square millimeters). That's an area.
There are 10 millimeters in one centimeter, you multiply 50 X 10 = 500 millimeters.
Multiply Km by 10^6
Multiply by 1000. So, 0.000061 m = 0.061 mm.
To calculate the area of a triangle - divide the length of the base by 2, then multiply that figure by the height. If the measurements are in centimetres, once you have your area - multiply your figure by 100 and you'll have the area in millimetres.
There are 1000000 nanometres in one millimetre. Therefore, to convert nanometres to millimetres, divide by 1000000. For example, 5600000 nanometres is equal to 5600000/1000000 = 5.6 millimetres.
Multiply by 1000 15,000 millimeters.
Multiply by 2540 to convert inches to millimeters
Multiply the length in inches by 25.4 to get millimeters.
inches to millimeters, multiply inches by 25.4. You do the math.
There are 10 millimeters to every 1 centimeter. So, there would be more millimeters in a given length than centimeters. To increase a number you would multiply.
Multiply by 1,000
multiply by 1000
Multiply by 1000.
Multiply by ten.
1 centimeter = 10 millimeters Multiply (centimeters) by 10 to get the same length in (millimeters).
you multiply the amount of centimeters by 10 to get to millimeters (cm = mm * 10)
400 centimeters. There are 10 millimeters in 1 centimeter