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cm to mm Converter

Last Updated : 21 Aug, 2025
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Centimeter(cm) to Millimeter(mm) Converter is a free online tool to convert cm to mm. Converting between cm to mm is a common task in everyday life. So, GeeksforGeeks provides a user-friendly and efficient cm to mm Conversion tool to simplify this process and assure accuracy. It is an easy-to-use general purpose calculator that can be used in any field such as physics. It also helps students and working professionals to solve various calculation-related day-to-day problems.

How to convert Centimeter to Millimeter?

We can easily use the Centimeter to Millimeter calculator by following the steps discussed below,

Step 1: Enter the given value in Centimeters in the input field.

Step 2: Click on the Convert button to convert the value of the Centimeter into a Millimeter value.

Step 3: The value shown as the result is the required value in the Millimeter.

How to Use the Centimeter To Millimeter Calculator?

So, How to Convert Centimeter to Millimeter, by multiplying the length by the conversion ratio, as we know that one centimeter is equal to ten millimeters, So the formula can be:

1 cm = 10 mm

The process to convert the centimeter to millimeter can be understood by the steps given below:

Step 1: The number in centimeters is taken.
Step 2: Multiply the given number by a factor of 10.
Step 3: The resultant answer is in millimeters.

Thus, the required conversion is achieved.

Example: What is 7 cm in mm?

Solution:

We know that 1 cm = 10 mm

So, 7 cm = 7 × 10 mm
              = 70 mm

Thus, 7 cm is equal to 70 mm

Check, mm to cm Converter

Centimeter to Millimeter Conversion Table

The table given below gives the conversion from centimeter to millimeter

Centimeters (cm)Millimeters(mm)
1 cm10 mm 
2 cm20 mm
3 cm30 mm
4 cm40 mm
5 cm50 mm
6 cm60 mm
7 cm70 mm
8 cm80 mm
9 cm90 mm
10 cm100 mm
20 cm200 mm
30 cm300 mm
40 cm400 mm
50 cm500 mm
60 cm600 mm
70 cm700 mm
80 cm800 mm
90 cm900 mm
100 cm1000 mm

Conclusion

In Conclusion, cm to mm converter is a very useful tool for those who frequently need to convert between centimeter to meters. This calculator is fast, efficient and easy-to-use that makes calculations in fractions of seconds with exceptional accuracy. Students can use it for their academics use to make themselves to be more productive.

Wants to know? how we make this calculator, check this article.

Also Check

Solved Examples on cm to mm Conversion

Example 1: Convert 25 cm to mm

Solution:

We know that 1 cm = 10 mm

Therefore 25 cm = 25 ⨯ 10 = 250 mm

Example 2: What is the length of a piece of cloth of 50 cm in mm?

Solution:

We know that 1 cm = 10 mm

Therefore, length of cloth in mm = 50 ⨯ 10 = 500 mm

Example 3: Convert 10.5 cm into mm

Solution:

We know that 1 cm = 10 mm

Therefore, 10.5 cm = 10.5 ⨯ 10 mm = 105 cm

Example 4: Change 78 cm into mm

Solution:

We know that 1 cm = 10 mm

Therefore, 78 cm = 78 ⨯ 10 = 780 mm

Convert cm to mm

Q1: Convert 56 cm to mm

Q2: Convert 23.5 cm to mm

Q3: Convert 67.55 cm to mm

Q4: Convert 34.5 cm to mm


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