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

What Is a Smurf Attack? Network Flooding vs DDoS Protection Tools

November 4th, 2026
A Smurf attack is a DDoS-style flood that tricks many devices into hammering one victim with ICMP replies. The attacker spoofs the victims IP address, sends ping requests to a broadcast address, and waits while every reachable host answers the victim at once. This old attack sti... Read more


What Is an Intrusion Detection System? Snort vs Suricata vs Zeek

November 3rd, 2026
An intrusion detection system, or IDS, watches traffic or system activity and flags behavior that may mean an attack is underway. It does not magically stop every breach, but it gives security teams the warning they need before damage spreads. That matters becaus... Read more


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



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

Convert units of area. Examples of such units are millimeters squared and inches squared.

Area Conversion

Mass

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

Mass Conversion

Volume

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

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 weeks and months.

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 kilopascals and pounds per square inch.

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-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 joules.

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are inches cubed per hour and yards 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 volt-ampere reactive and gvar.

Reactive Power Conversion

Angle

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

Angle Conversion