Convert Length from Centimeter to Meter (cm to m)
Multiple conversions

Centimeter to Meter Conversion Formula

To convert from Centimeter (cm) to Meter (m), use the following formula:

Example

Let's convert 5 Centimeter (cm) to Meter (m).

Using the formula:

Therefore, 5 Centimeter (cm) is equal to $0.05$ Meter (m).

What is a Centimeter (cm)?

A centimeter (cm) is a unit of length in the metric system.

It is equal to one hundredth of a meter (0.01 m). The plural form is centimeters.

How Many Centimeters Are in an Inch?

One of the most crucial facts about the centimeter is its relationship with the inch.

There are exactly 2.54 centimeters in one inch.

This precise conversion factor is essential for global trade, engineering, and daily life. It enables easy and accurate translation between the metric system (used by most of the world) and the imperial system (still used in countries such as the United States).

Gaining a clear understanding of this cm to inch conversion is essential for various tasks, including purchasing clothing and international manufacturing.

The Centimeter's Role in Science: The CGS System

The centimeter is a cornerstone of the Centimeter-Gram-Second (CGS) system of units.

This system was an essential precursor to the modern International System of Units (SI).

In the CGS system, the centimeter was the base unit of length, the gram the base unit of mass, and the second the base unit of time.

While less common today, it's still widely used in specific fields of physics, such as astrophysics, for calculating other vital units like force and energy.

How Big Is a Centimeter? Everyday Examples

To understand how big a centimeter is, it helps to use common items as a useful mental benchmark. This is great for estimating its length without a ruler.

A centimeter is approximately the same width as:

• A standard pencil or ballpoint pen.
• An average adult's pinky fingernail.
• A common staple.

What is a Meter (m)?

The meter (m) is the foundational unit of length in the metric system, a standard of measurement used worldwide.

Simply put, it's used to measure the distance or separation between things.

The plural form is meters.

How Was the Meter Originally Defined?

The original definition of the meter dates back to 1793.

The French Academy of Sciences established it as exactly one ten-millionth (1/10,000,000) of the distance from the North Pole to the Equator (measured along a line passing through Paris).

This ambitious goal was to create a universal unit based on a natural feature of the Earth itself.

The Modern Definition: Based on the Speed of Light

Today, the modern definition is far more precise and is based on a universal constant: the speed of light.

Since 1983, the meter has been officially defined as the distance that light travels in a vacuum in exactly 1/299,792,458 of a second.

This modern definition ensures that the meter is incredibly stable and can be accurately reproduced in any lab around the world.

Why the Meter is a Foundational Unit

As one of the seven base units in the International System of Units (SI), the meter is essential for calculating many other derived units.

For example, the meter is used to measure:

• Area in square meters (m²)
• Volume in cubic meters (m³)
• Speed in meters per second (m/s)

The meter serves as a fundamental unit in scientific and engineering measurements worldwide.

What is the metric system?

Centimeter to Meter Conversion Table

Here are some quick reference conversions from Centimeter (cm) to Meter (m):