CM to MM Converter
Convert Centimeters (cm) to Millimeters (mm).
About CM to MM Converter
The CM to MM converter provides instant conversion between centimeters and millimeters, two fundamental metric units of length. This is one of the simplest conversions in the metric system, requiring only multiplication by 10, as the metric system is based on powers of ten. Millimeters offer greater precision than centimeters and are commonly used in engineering, manufacturing, technical drawings, scientific measurements, and precision work where accuracy is critical.
Formula
Examples
Reference
- • 1 cm = 10 millimeters (exact)
- • 1 mm = 0.1 centimeters
- • Both are metric system units
- • Used for precision measurements
Frequency Asked Questions
How do I convert cm to millimeters?
Multiply centimeters by 10. Formula: mm = cm × 10. Simply move the decimal point one place to the right.
Why are millimeters more precise than centimeters?
Millimeters are 10 times smaller than centimeters, allowing for finer measurements and tighter tolerances.
When should I use millimeters instead of centimeters?
Use millimeters for technical drawings, engineering specifications, manufacturing, machining, and any work requiring precision.
Is this conversion exact?
Yes, it's an exact conversion by definition in the metric system. 1 cm is precisely 10 mm.