Welcome to UnitConversion.io

Welcome to UnitConversion.io. This website was made to be the best unit conversion website on the internet. The way that I hope to achieve this is to make the pages extremely fast and responsive. As you will see below, there are many unit types and an extensive unit list to choose from, which differentiates UnitConversion.io from other similar sites. Our aim is to be a destination for students, professionals, and everyone in between for converting units quickly and in a well presented format. I hope you enjoy the site, and contact me if you have any feedback!

Blog

How to Find Your Network Security Key on Windows, Mac, Android, iPhone, and Routers

July 11th, 2026
Your network security key is the password that protects access to a Wi-Fi network. You may need it when connecting a new laptop, phone, printer, smart TV, or guest device. In most cases, it is the same thing people casually call the Wi-Fi password, although routers and o... Read more


Progress Report Template: Free Examples for Projects, Employees, and Students

July 10th, 2026
A progress report template gives a clear, repeatable structure for showing what has been completed, what is still in progress, and what needs attention. Whether the report is used for a business project, an employee performance update, or a student assignment, the goal is the same: to make progre... Read more


8 Outdoor Team Building Activities That Improve Collaboration and Communication

July 10th, 2026
Strong collaboration and communication rarely happen by accident. Teams build them through shared experiences, practical problem-solving, and moments that help colleagues see one another beyond job titles. Outdoor team building activities are especially effective because they remove people from t... Read more


Where to Find the Network Security Key on Your Wi-Fi Router

July 10th, 2026
Your Wi-Fi router has a secret. Well, not a spy-level secret. It is the network security key. Most people call it the Wi-Fi password. You need it when you connect a phone, laptop, tablet, smart TV, game console, or that one printer that acts like it owns the hous... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

Convert units of length. Examples of such units are meters and feet.

Length Conversion

Area

Convert units of area. Examples of such units are meters squared and inches squared.

Area Conversion

Mass

Convert units of mass. Examples of such units are kilograms and pounds.

Mass Conversion

Volume

Convert units of volume. Examples of such units are milliliters and liters.

Volume Conversion

Temperature

Convert units of temperature. Examples of such units are fahrenheit and rankine.

Temperature Conversion

Time

Convert units of time. Examples of such units are milliseconds and seconds.

Time Conversion

Speed

Convert units of speed. Examples of such units are meters per second and feet per second.

Speed Conversion

Pressure

Convert units of pressure. Examples of such units are pounds per square inch and kilopound per square inch.

Pressure Conversion

Digital

Convert units of digital. Examples of such units are megabits and bytes.

Digital Conversion

Parts Per

Convert units of parts per. Examples of such units are parts-per-billion and parts-per-trillion.

Parts Per Conversion

Voltage

Convert units of voltage. Examples of such units are volts and millivolts.

Voltage Conversion

Current

Convert units of current. Examples of such units are amps and milliamps.

Current Conversion

Power

Convert units of power. Examples of such units are kilowatts and megawatts.

Power Conversion

Energy

Convert units of energy. Examples of such units are watt hours and gigawatt hours.

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are liters per second and yards cubed per minute.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are megahertz and terahertz.

Frequency Conversion

Pace

Convert units of pace. Examples of such units are seconds per meter and seconds per foot.

Pace Conversion

Illuminance

Convert units of illuminance. Examples of such units are lux and foot-candles.

Illuminance Conversion

Reactive Power

Convert units of reactive power. Examples of such units are volt-ampere reactive and gvar.

Reactive Power Conversion

Angle

Convert units of angle. Examples of such units are gradians and arcsecond.

Angle Conversion