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

UI Testing Automation Software For Automated Testing

April 29th, 2026
In todays fast-paced digital ecosystem, delivering flawless user experiences is not just a competitive advantageit is an expectation. Applications must function seamlessly across devices, browsers, and operating systems while maintaining performance and visual consistency. This demand has drive... Read more


Telemedicine Software For Virtual Healthcare Services

April 29th, 2026
Telemedicine software has rapidly transformed from a niche innovation into a central pillar of modern healthcare delivery. What began as simple video consultations has evolved into a sophisticated digital ecosystem that connects patients, providers, specialists, and health data in real time. From... Read more


How to Reset AOL Password and Sign In Again

April 27th, 2026
AOL Mail is still going strong. Millions of people use it every day. But forgetting your password can feel stressful. Dont worry. It happens to everyone. The good news? Resetting your AOL password and signing in again is simple and fast when you follow the right steps. TL;DR:... Read more


8 Micro-Frontend Tools For Modular Web Development

April 25th, 2026
Big web apps can feel like giant pizzas. Tons of toppings. Hard to slice. Harder to share. That is where micro-frontends come in. They break a big frontend into small, independent pieces. Each team owns a slice. Each slice can be built, tested, and deployed alone. Clean. Fast. Fl... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

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

Area Conversion

Mass

Convert units of mass. Examples of such units are grams and megatonne.

Mass Conversion

Volume

Convert units of volume. Examples of such units are centimeters cubed and feet cubed.

Volume Conversion

Temperature

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

Temperature Conversion

Time

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

Time Conversion

Speed

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

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 bits and terabytes.

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 millivolts and kilovolts.

Voltage Conversion

Current

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

Current Conversion

Power

Convert units of power. Examples of such units are watts and gigawatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are millimeters cubed per second and gallons per second.

Volume Flow Rate Conversion

Frequency

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

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 volt-ampere reactive and gvar.

Reactive Power Conversion

Angle

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

Angle Conversion