Convert 638 cm to mm

Converting centimeters to millimeters is a straightforward process that can be useful in various fields, including construction, tailoring, and scientific measurements. In this guide, we will convert 638 cm to mm and explain the definitions and common uses of these units.

cm Definition

Centimeter (cm) is a metric unit of length equal to one-hundredth of a meter. It is commonly used in everyday measurements, such as in height, width, and distance, particularly in countries that use the metric system.

mm Definition

Millimeter (mm) is a metric unit of length equal to one-thousandth of a meter. It is often used in precision measurements, such as in engineering, manufacturing, and medicine, where small dimensions are critical.

How to Convert 638 cm to mm

To convert centimeters to millimeters, you can use the formula:

1 cm = 10 mm

To convert 638 cm to mm, simply multiply by 10:

638 cm x 10 = 6380 mm

Therefore, 638 cm is equal to 6380 mm.

FAQs

What is the difference between cm and mm?

The main difference between cm and mm is their scale; 1 centimeter is equal to 10 millimeters, making millimeters a smaller unit of measurement.

When should I use mm instead of cm?

Use millimeters when precision is required, such as in engineering or technical drawings, and centimeters for general measurements.

Can I convert other lengths from cm to mm?

Yes, you can convert any length from centimeters to millimeters using the same formula: multiply the number of centimeters by 10.