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Centimeters to Millimeters Converter — PCB Circuit Traces & Microchip Pitches

Converting centimeters (cm) to millimeters (mm) is standard for electronic hardware engineers, PCB layout designers, and smartphone mechanical drafters placing surface-mount components. Electronic CAD software utilizes millimeter pin grids (e.g. converting a 1.2 cm IC package width into 12.0 mm, or a 0.8 cm smartphone chassis thickness into 8.0 mm). Multiplying centimeters by 10 yields exact millimeter dimensions.

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Length Studio

mm
⇌
cm
Common Length Benchmarks:
Scale Visualizer
0 mm0.0 cm
10 mm1.0 cm
20 mm2.0 cm
30 mm3.0 cm
40 mm4.0 cm
50 mm5.0 cm
60 mm6.0 cm
70 mm7.0 cm
80 mm8.0 cm
90 mm9.0 cm
100 mm10.0 cm
10 mm / 1 cm
10 mm = 1 cm
Roughly equivalent to the length/size of: Paperclip Width.

Conversion Table

CentimetersMillimeters
0.1 cm1.0000 mm
0.5 cm5.0000 mm
1 cm10.0000 mm
2 cm20.0000 mm
5 cm50.0000 mm
10 cm100.0000 mm

Overview & Capabilities

Converting centimeters (cm) to millimeters (mm) is standard for electronic hardware engineers, PCB layout designers, and smartphone mechanical drafters placing surface-mount components. Electronic CAD software utilizes millimeter pin grids (e.g. converting a 1.2 cm IC package width into 12.0 mm, or a 0.8 cm smartphone chassis thickness into 8.0 mm). Multiplying centimeters by 10 yields exact millimeter dimensions.

Tutorial

How to Use

01
Enter the circuit or enclosure dimension in Centimeters (cm).
02
The engine multiplies by 10 to determine total Millimeters (mm).
03
Inspect electronic packaging presets (0.1 cm = 1 mm, 0.5 cm = 5 mm, 1.2 cm = 12 mm, 2.54 cm = 25.4 mm, 7.5 cm = 75 mm).
04
Enter the millimeter values into your EDA circuit board design software.
Capabilities

Key Features

Electronic PCB layout & microchip multiplier engine (1 cm = 10 mm)
Electronics Packaging Presets: 0.10 cm (1.0 mm SMT pad), 0.254 cm (2.54 mm Standard header), 1.20 cm (12.0 mm QFP chip), 2.54 cm (25.4 mm Breadboard module), 7.50 cm (75.0 mm Phone width)
Printed circuit board pin pitch millimeter alignment guide
Zero server latency
Applications

Common Use Cases

PCB Component Layout: Convert a 1.4 cm microcontroller surface footprint into 14.0 mm for solder mask design.
Smartphone Chassis Slimming: Translate a 0.78 cm phone body depth into 7.8 mm for anodized aluminum casing milling.
Computer Heat Sink Sizing: Convert a 6.0 cm CPU cooling fan mount into 60.0 mm for screw hole drilling.
Guidance

Tips & Best Practices

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Multiply centimeters by 10 to get millimeters (e.g. 2.5 cm × 10 = 25 mm).
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1 cm = 10 mm; 2.54 cm = 25.4 mm (1 inch).
Ecosystem

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Answers

Frequently Asked Questions

Q What is 1.2 cm in millimeters for PCB layout?

1.2 cm equals exactly 12.0 millimeters.

Q What is 2.54 cm in millimeters?

2.54 cm equals exactly 25.4 millimeters (1 inch).

Q What is 0.5 cm in millimeters?

0.5 cm equals 5.0 millimeters.

Q What is 8 cm in millimeters?

8 cm equals 80.0 millimeters.