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

Affiliate Influencer Marketing Contract Template

July 12th, 2026
An affiliate influencer marketing contract is more than a formality. It defines the legal, commercial, and operational relationship between a brand and an influencer who promotes products or services in exchange for commissions, fixed fees, or both. A well drafted template helps both parties avoi... Read more


Fintech Conferences and Meetups to Attend in 2026

July 11th, 2026
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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



Unit Conversion



mm

=

cm

Unit Types

Length

Convert units of length. Examples of such units are inches and miles.

Length Conversion

Area

Convert units of area. Examples of such units are centimeters squared and square feet.

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are milliliters and kilometers cubed.

Volume Conversion

Temperature

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

Temperature Conversion

Time

Convert units of time. Examples of such units are minutes and days.

Time Conversion

Speed

Convert units of speed. Examples of such units are kilometers per hour and knots.

Speed Conversion

Pressure

Convert units of pressure. Examples of such units are megapascals and torrs.

Pressure Conversion

Digital

Convert units of digital. Examples of such units are terabits and kilobytes.

Digital Conversion

Parts Per

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

Parts Per Conversion

Voltage

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

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 megawatts and gigawatts.

Power Conversion

Energy

Convert units of energy. Examples of such units are kilowatt hours and megawatt hours.

Energy Conversion

Volume Flow Rate

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

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are hertz and degrees per second.

Frequency Conversion

Pace

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

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 mvar and gvar.

Reactive Power Conversion

Angle

Convert units of angle. Examples of such units are radians and arcminute.

Angle Conversion