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

Symmetric vs Asymmetric Encryption: AES vs RSA vs ECC Explained

November 3rd, 2026
Use AES to encrypt data, and use RSA or ECC to protect the AES key. That is the clean answer in most real systems. AES was standardized by NIST as FIPS 197 in 2001, and it remains a trusted choice for high-speed encryption ... Read more


What Is a Man-in-the-Middle Attack? HTTPS vs VPNs vs Certificate Validation

November 3rd, 2026
A man-in-the-middle attack is when someone secretly sits between you and a website, app, or Wi Fi router, then reads or changes what you send. Think of it like a sneaky person grabbing your mail, opening it, copying it, and sealing it again. You may never notice. HTTPS he... Read more


What Is Packet Interception? Wireshark vs tcpdump vs Network Monitoring Tools

November 3rd, 2026
Packet interception means copying network traffic so you can inspect it. Think of it like reading the address labels on tiny digital packages as they move across a network. Tools like Wireshark and tcpdump do this for troubleshooting, security checks, and why is the app broken a... Read more


What Is Cross-Site Scripting (XSS)? Common Vulnerabilities and Prevention Tools

November 3rd, 2026
Cross-site scripting, or XSS, is a web security flaw that lets an attacker run unwanted JavaScript in another persons browser, often through a trusted website [source: OWASP]. That script can steal session... 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 centimeters squared and kilometers squared.

Area Conversion

Mass

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

Mass Conversion

Volume

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

Volume Conversion

Temperature

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

Temperature Conversion

Time

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

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 bars and torrs.

Pressure Conversion

Digital

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

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 millivolts.

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 watts and megawatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

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

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are hertz and revolutions per minute.

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 mvar and gvar.

Reactive Power Conversion

Angle

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

Angle Conversion