Convert Millimeters to Centimeters

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mm
0.1
cm
Formula: Centimeters = Millimeters × 0.1

Common Conversions

Millimeters (mm)Centimeters (cm)
0.10.01
0.250.025
0.50.05
10.1
20.2
30.3
50.5
101.0000
151.5000
202.0000
252.5000
505.0000
757.5000
10010.0000
15015.0000
25025.0000
50050.0000
1000100.00
2500250.00
5000500.00

What Is Millimeters TO Centimeters?

One millimeter equals 0.1 centimeters. This is the simplest of all length conversions, requiring only a shift of one decimal place. Despite its simplicity, the conversion matters in fields where precision is paramount. Dental professionals measure cavity depths and crown thicknesses in millimeters but may record overall jaw dimensions in centimeters. Watchmakers specify case thickness in millimeters while band width may be given in centimeters. In printing, paper thickness (caliper) is measured in millimeters, but image dimensions are often in centimeters. Rainfall is recorded in millimeters by meteorologists, while accumulation over longer periods may be reported in centimeters for public consumption. The 10:1 ratio between these metric sub-units makes conversion intuitive once the prefix system is understood.

Formula

Divide the millimeter value by 10 to get centimeters, or equivalently multiply by 0.1. This is a direct consequence of the metric prefix system: milli- means one-thousandth and centi- means one-hundredth, so 1 cm = 10 mm.

Best For:

  • Dentistry: recording tooth and restoration measurements that span mm and cm
  • Watch specifications: converting case dimensions from mm to cm for product listings
  • Printing and publishing: translating paper thickness and trim sizes
  • Meteorology: converting rainfall amounts between mm and cm for reports
  • Crafting and model building: working with small-scale dimensions

How to Millimeters TO Centimeters

1

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2

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3

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Frequently Asked Questions

0.1 cm. Simply divide millimeters by 10 to get centimeters.
Exactly 10 mm. The prefix centi- means hundredth and milli- means thousandth, so there are 10 millimeters in a centimeter.
Common scenarios include recording measurements that cross the mm/cm boundary, such as dental work, small-scale engineering, and rainfall data.
Yes, always. This is a fundamental metric relationship that holds exactly by definition.