Cm To Mm Converter
Convert length from centimeters to millimeters. A simple tool for precise metric measurements.
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Understanding Centimeters to Millimeters
The Conversion Formula
The metric system is based on powers of 10, making this conversion very simple. The prefix "centi" means one-hundredth, and "milli" means one-thousandth.
1 centimeter = 10 millimeters
This gives us the formulas for conversion:
- Centimeters to Millimeters: Millimeters = Centimeters * 10
- Millimeters to Centimeters: Centimeters = Millimeters / 10
Common Conversions
Here’s a quick reference table for common cm to mm conversions:
| Centimeters (cm) | Millimeters (mm) |
|---|---|
| 0.5 cm | 5 mm |
| 1 cm | 10 mm |
| 2.5 cm | 25 mm |
| 10 cm | 100 mm |
| 30 cm | 300 mm |
Practical Applications
This conversion is vital in fields requiring high precision:
- Engineering & Machining: Component dimensions are often specified in millimeters for accuracy.
- Science & Laboratory Work: Measurements of small samples or objects are typically in mm or cm.
- Crafts & Hobbies: Instructions for models, sewing, or woodworking often use millimeters for detailed work.
- Stationery: The thickness of a pencil lead or the width of a ruler marking is often in millimeters.
FAQ
How do I convert cm to mm in my head?
Simply multiply the centimeter value by 10, which is the same as moving the decimal point one place to the right. For example, 5.5 cm becomes 55 mm.
How do I convert mm to cm in my head?
Divide the millimeter value by 10, or move the decimal point one place to the left. For example, 125 mm becomes 12.5 cm.
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