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 Reliable AI Wireframe Generator 2026: Figma vs Uizard for AI Wireframing Workflows

September 30th, 2026
Figma is the best reliable AI wireframe generator for 2026 if your team needs a serious design workflow, while Uizard is better when speed matters more than long-term control. That is the simplest split. Figma wins for teams that need reusable components, collaboration, developer... Read more


What Is a Mailer?: Mailchimp vs Constant Contact for Understanding Email Marketing Platforms

September 30th, 2026
A mailer is the tool that sends marketing emails to a list of contacts, tracks results, and helps turn subscribers into buyers. If you have ever received a welcome email, coupon, event reminder, abandoned cart message, or monthly newsletter, a mailer probably sent it. Mailchimp a... Read more


AI Video Generator Mobile App UI Design: Figma vs Uizard for Designing AI Video Generator Apps

September 29th, 2026
Use Figma if your AI video generator app needs polished screens, clean handoff, and serious teamwork. Use Uizard if you need a quick concept, a clickable demo, or a rough idea by lunch. Both tools can help you design a mobile app where users type a prompt, pick a style, generate ... Read more


Figma vs Balsamiq: Comparing Flexible UI Design With Traditional Wireframing

September 29th, 2026
Choose Figma when you need polished UI design, clickable prototypes, shared components, and design handoff; choose Balsamiq when you need fast, rough wireframes that keep everyone focused on structure. Figma is broader and more flexible. Balsamiq is narrower, simpler, and often f... 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 centimeters squared and inches squared.

Area Conversion

Mass

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

Mass Conversion

Volume

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

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 days and weeks.

Time Conversion

Speed

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

Speed Conversion

Pressure

Convert units of pressure. Examples of such units are hectopascals and megapascals.

Pressure Conversion

Digital

Convert units of digital. Examples of such units are megabytes 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 kilowatts and megawatts.

Power Conversion

Energy

Convert units of energy. Examples of such units are gigawatt hours and joules.

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are kiloliters per minute and pints per hour.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are terahertz 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 gvar.

Reactive Power Conversion

Angle

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

Angle Conversion