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

Instagram Unblocked Sites: What to Know About Access and Safety

October 22nd, 2026
Use the official Instagram app or website first. If Instagram is blocked, think twice before using an Instagram unblocked site. Many are just proxy pages. Some are fine. Some are password traps with a cute logo slapped on top. Instagram is massive, with over 2 billion monthly a... Read more


Proxy Services Explained: Types, Configurations, and Use Cases

October 22nd, 2026
Use a proxy when you need controlled routing, identity separation, filtering, caching, or access management between a client and the wider internet. A proxy is not magic privacy dust. It is an infrastructure tool that can improve security, reliability, and control when configured... Read more


What Are Proxy Settings? A Simple Guide

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Residential Proxy Service: Features and Selection Tips

October 21st, 2026
Choose a residential proxy service only if you need real consumer IP addresses, clear location control, and stable sessions for legitimate work such as ad verification, price monitoring, SEO checks, or fraud research. The scale of online activity is huge, with 5.35 billion internet users reported... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

Convert units of area. Examples of such units are square feet and square miles.

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are kilometers cubed and fluid ounces.

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 minutes and weeks.

Time Conversion

Speed

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

Speed Conversion

Pressure

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

Pressure Conversion

Digital

Convert units of digital. Examples of such units are bytes 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 amps and kiloamps.

Current Conversion

Power

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

Power Conversion

Energy

Convert units of energy. Examples of such units are joules and kilojoules.

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are kilometers cubed per second 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 minutes per kilometer 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 degrees and arcminute.

Angle Conversion