Convert 120 mm to cm
120 millimeters = 12 centimeters
How to convert millimeters to centimeters
- Formula:
centimeters = millimeters × 0.1 - Put in the value: 120 millimeters.
- Result: 12 centimeters.
Millimeters to centimeters table
| millimeters | centimeters |
|---|---|
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 5 mm | 0.5 cm |
| 10 mm | 1 cm |
| 20 mm | 2 cm |
| 50 mm | 5 cm |
| 100 mm | 10 cm |
| 120 mm | 12 cm |
| 500 mm | 50 cm |
| 1,000 mm | 100 cm |
Converting the other way: centimeters to millimeters
millimeters = centimeters × 10. So 12 centimeters is back to 120 millimeters; one centimeter is 10 millimeters. See the centimeters to millimeters table.
Quick estimate in your head
For a rough answer, multiply by about 0.1: 120 × 0.1 ≈ 12 cm, against the exact 12 cm (0.0% out). Good enough to check that a calculated result is sensible.
Common mistakes
The usual slip is using the factor the wrong way round. A millimeter is smaller than a centimeter, so the number of centimeters must come out smaller than the number of millimeters. If your answer goes the other way, divide instead of multiplying.
About the units
Millimeter (mm) and centimeter (cm) are both units of length. One millimeter equals 0.1 centimeters, and one centimeter equals 10 millimeters. Results on this page are rounded for display; the conversion itself uses the exact definitions.
Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.
120 millimeters in other units
The most readable unit for this amount is inches (4.724409).
How this answer was calculated
The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.
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Questions
How many centimeters are in 120 millimeters?
12 centimeters.
What is the formula to convert millimeters to centimeters?
centimeters = millimeters × 0.1
How many centimeters are in one millimeter?
One millimeter is 0.1 centimeters, so multiply any number of millimeters by 0.1.
Is 120 mm more than 120 cm?
No. 120 millimeters is 12 centimeters, which is less than 120 centimeters.
How do I convert millimeters to centimeters in a spreadsheet?
Put the number of millimeters in A1 and type =A1*0.1 in the next cell. Fill the formula down to convert a whole column.