# MM to CM

Convert millimeters to centimeters with configurable decimal precision

> Canonical page: https://elysiatools.com/en/tools/mm-to-cm

- **Category:** Math & Numbers

- **Keywords:** millimeters, centimeters, length, conversion, mm, cm

## Overview

This MM to CM converter provides a fast and accurate way to transform millimeter measurements into centimeters. Designed for precision, it allows users to define decimal rounding to ensure results meet specific technical, architectural, or academic requirements.

## Inputs

- **Millimeters** (text): e.g. 25
- **Decimal Precision** (number)

## When to use

- When converting small mechanical part dimensions for engineering documentation.
- When translating architectural measurements from detailed blueprints to general floor plans.
- When performing school math assignments or scientific calculations requiring metric unit shifts.

## How it works

- Enter the value in millimeters into the designated input field.
- Adjust the decimal precision setting to your desired number of places, up to a maximum of 10.
- The tool divides the input by 10 to calculate the centimeter equivalent.
- View the final result instantly in a structured JSON format.

## Use cases

- Converting jewelry dimensions from fine millimeter specs to standard centimeter listings.
- Adjusting 3D printing model scales when moving between different slicing software units.
- Standardizing medical imaging measurements for patient reports and records.

## Frequently asked questions

### How many millimeters are in one centimeter?

There are exactly 10 millimeters in 1 centimeter.

### Can I control the number of decimal places?

Yes, you can set the precision between 0 and 10 decimal points.

### Does this tool handle negative numbers?

Yes, it converts any numerical input, including negative values for vector or offset calculations.

### What is the default precision?

The tool defaults to 4 decimal places if no specific precision is entered.

### Is the output format compatible with other software?

The result is provided in a standard JSON object, making it easy to integrate into other digital workflows.

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