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

Mautic vs Mailchimp: Features, Pricing, Automation, and Deliverability Compared

June 16th, 2026
Email marketing platforms are no longer just tools for sending newsletters. For many organizations, they are central systems for lead capture, segmentation, automation, customer retention, and revenue attribution. Mautic and Mailchimp both serve this market, but ... Read more


The Four Pillars of a Successful Freelance Marketing Strategy

June 16th, 2026
A successful freelance marketing strategy is not built on improvisation alone. While flexibility is one of the advantages of freelancing, sustainable growth requires structure, discipline, and a clear understanding of how clients decide whom to trust. Freelancers who consistently attract quality ... Read more


CloudMoo Explained: Features, Integrations, and Business Use Cases

June 15th, 2026
CloudMoo is commonly described as a cloud-based business platform designed to help organizations centralize operations, connect applications, automate workflows, and make better use of data. It is often positioned as a flexible workspace for teams that need a single operational layer across sales... Read more


Sendy Alternatives: Best Email Marketing Platforms Compared

June 15th, 2026
Email marketing remains one of the most reliable channels for customer retention, lead nurturing, and revenue growth. Sendy has earned a loyal following because it offers low-cost email delivery through Amazon SES, but it is not the right fit for every organization. Businesses th... 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 millimeters squared and square miles.

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 liters and kiloliters.

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 seconds and weeks.

Time Conversion

Speed

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

Speed Conversion

Pressure

Convert units of pressure. Examples of such units are hectopascals and kilopound per square inch.

Pressure Conversion

Digital

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

Digital Conversion

Parts Per

Convert units of parts per. Examples of such units are parts-per-million and parts-per-quadrillion.

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 milliamps and kiloamps.

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 megawatt hours and gigawatt hours.

Energy Conversion

Volume Flow Rate

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

Volume Flow Rate Conversion

Frequency

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

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