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

Best Conservative Search Engines: Privacy, Features, and Search Quality Compared

July 20th, 2026
Search engines are like tour guides for the internet. Some guides show you busy city streets. Some take you down quiet back roads. If you want fewer filters, more privacy, and results that do not feel politically one-sided, you may be looking for a conservative search engine. The... Read more


Is DeleteMe Worth It? Features, Pricing, Pros, and Cons Explained

July 18th, 2026
Personal information often appears on people-search sites, data broker databases, and background-check platforms without a person actively publishing it. DeleteMe, a privacy service from Abine, is designed to reduce that exposure by requesting removals from data brokers and monitoring whether the... Read more


Parasite SEO: What It Is, How It Works, and the Risks

July 18th, 2026
Search results are not only a contest between websites; they are also a contest between domains. Some domains carry so much authority that a new page on them can rank faster than a well-written page on a smaller site. Parasite SEO is the practice of using that authority ... Read more


Affiliate Niche Ideas: How to Choose a Profitable Niche in 2026

July 17th, 2026
Choosing an affiliate niche in 2026 is less about finding a secret market and more about matching real buyer intent with content you can produce consistently. The web is more competitive, AI content is everywhere, and consumers are more skeptical than ever. That means the best ... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

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

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are meters 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 days and weeks.

Time Conversion

Speed

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

Speed Conversion

Pressure

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

Pressure Conversion

Digital

Convert units of digital. Examples of such units are bytes and megabytes.

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 volts and millivolts.

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 gigawatt hours and kilojoules.

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are milliliters per second and feet cubed per hour.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are kilohertz and gigahertz.

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 mvar and kvar.

Reactive Power Conversion

Angle

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

Angle Conversion