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

Embed a Video PowerPoint: A Complete Guide to Embedding Videos in PowerPoint Presentations, Managing Playback, and Avoiding Compatibility Issues

September 6th, 2026
Use Insert > Video, choose a clean MP4 file, and test playback on the exact computer you will present from. That is the safest way to embed a video in PowerPoint without surprise drama. Online videos can work too, but they need internet and can misbehave at the worst ... Read more


How to Get More YouTube Views: Proven Strategies for Increasing YouTube Views Through Better Titles, Thumbnails, Retention, SEO, Content Strategy, and Audience Engagement

September 6th, 2026
The fastest reliable way to get more YouTube views is to improve the promise of each video, then prove that promise quickly. That means stronger titles, clearer thumbnails, better first 30 seconds, tighter editing, smart SEO, and consistent audience interaction. Views rarely grow... Read more


Compress MOV File: How to Compress MOV Files, Reduce Storage Requirements, and Preserve Video Quality for Sharing and Publishing

September 5th, 2026
The fastest way to compress a MOV file is to reduce its bitrate, export it with H.264 or HEVC, and keep the original resolution only when it truly matters. A 4K MOV from an iPhone, camera, or editing app can shrink by 60% to 90% without looking ruined, especially when the file is... Read more


What Is CMOS? Understanding Complementary Metal-Oxide Semiconductor Technology in Modern Electronics

September 3rd, 2026
CMOS is the dominant semiconductor technology used to build low-power digital chips, image sensors, memory circuits, and many control systems inside modern electronics. The name stands for Complementary Metal-Oxide Semiconductor, and the key idea is simple: it pairs two ... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

Convert units of area. Examples of such units are millimeters squared and square miles.

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are gallons and yards cubed.

Volume Conversion

Temperature

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

Temperature Conversion

Time

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

Time Conversion

Speed

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

Speed Conversion

Pressure

Convert units of pressure. Examples of such units are kilopascals and bars.

Pressure Conversion

Digital

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

Digital Conversion

Parts Per

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

Parts Per Conversion

Voltage

Convert units of voltage. Examples of such units are volts 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 megawatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are pints per hour and gallons per hour.

Volume Flow Rate Conversion

Frequency

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

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 kvar.

Reactive Power Conversion

Angle

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

Angle Conversion