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

Revanced Error 400: ReVanced Troubleshooting vs Supported YouTube Client Alternatives

September 21st, 2026
ReVanced Error 400 usually means the YouTube client request is no longer being accepted, so the fastest safe fix is to update, clear broken app data, or switch to an official YouTube client. A user should treat the error as a client compatibility problem first, not as a Wi Fi pro... Read more


OnlyFans Scraper: Content Data APIs vs Authorized Data Collection Alternatives

September 21st, 2026
Do not build or buy an OnlyFans scraper for private content. It is risky, brittle, and often not allowed. If you need creator data, sales records, fan messages, or campaign results, use authorized data collection instead. It is cleaner, safer, and far less likely to blow... Read more


Virtual Machine in Browser: Cloud Browsers vs Browser VMs and Remote Desktop Alternatives

September 19th, 2026
Use a cloud browser when you only need safe web access. Use a browser VM when you need deeper app testing or a disposable mini computer. Use remote desktop when you need a full work machine with files, apps, and settings. That is the simple split. TLDR: A... Read more


What Are Parsers? Data Parsers vs ETL, Scraping, and API-Based Alternatives

September 19th, 2026
A parser is a tool that turns messy data into neat fields your software can use. It reads text, files, web pages, emails, logs, or code. Then it pulls out the useful bits. Think of it as a tiny office goblin that finds names, dates, totals, prices, IDs, and addresses without sigh... 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 meters squared and hectare.

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are meters cubed and quarts.

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 seconds and months.

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 pascal and kilopascals.

Pressure Conversion

Digital

Convert units of digital. Examples of such units are terabits 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 volts and kilovolts.

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 watts and megawatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are centimeters cubed per second and pints per minute.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are kilohertz and radian 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 volt-ampere reactive and kvar.

Reactive Power Conversion

Angle

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

Angle Conversion