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

Car Rental Management Software For Managing Rentals

May 5th, 2026
In todays competitive mobility market, vehicle rental businesses face increasing pressure to operate efficiently, maintain high fleet availability, and deliver seamless customer experiences. Manual processes and fragmented systems can no longer keep up with real-time booking demands, multi-locat... Read more


Web Performance Budget Tools For Maintaining Speed Standards

May 3rd, 2026
Fast websites win. Slow websites lose. It is that simple. People expect pages to load in a blink. If they wait, they leave. That is why web performance budgets matter. They help teams keep speed under control, even as sites grow bigger and more complex. TLDR: A web perfor... Read more


Manufacturing ERP Tools For Production Management

May 2nd, 2026
Factories are busy places. Machines move. People build. Orders fly in. Deadlines tick loudly. Without a clear system, things get messy fast. Thats where Manufacturing ERP tools step in. They help production teams plan better, work smarter, and waste less. TL;DR: Manufacturi... Read more


4 Insurance Claim Processing Tools For Claims Automation

May 1st, 2026
The insurance industry is undergoing a rapid digital transformation, and claims processing is at the center of this evolution. Once known for paperwork, phone calls, and long waiting periods, claims departments are now powered by intelligent systems that automate repetitive tasks and accelerate d... 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 millimeters squared and square miles.

Area Conversion

Mass

Convert units of mass. Examples of such units are milligrams and ounces.

Mass Conversion

Volume

Convert units of volume. Examples of such units are liters and yards 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 nanoseconds and milliseconds.

Time Conversion

Speed

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

Digital Conversion

Parts Per

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

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 kiloamps.

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 kilowatt hours and kilojoules.

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are meters cubed per hour and fluid ounces per second.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are megahertz 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 kvar and gvar.

Reactive Power Conversion

Angle

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

Angle Conversion