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

Kaspr vs Other Email Finder Tools: Which One Is Better?

June 20th, 2026
Choosing an email finder tool has become a practical decision for sales teams, recruiters, founders, and marketers who need reliable B2B contact data without wasting hours on manual research. Among the many options available, Kaspr is often compared with tools such as Hunter, Apo... Read more


Best Enterprise Data Storage Solutions for 2026

June 19th, 2026
Enterprise storage is entering a new era in 2026. Artificial intelligence, edge computing, hybrid cloud, ransomware defense, and real-time analytics are pushing organizations to rethink how they store, protect, move, and monetize data. The best enterprise data storage solutions are no longer just... Read more


Top IT Security Management Platforms for Remote and Hybrid Workforces

June 19th, 2026
Remote and hybrid work have permanently changed the security perimeter. Employees now access cloud applications, internal systems, customer data, and collaboration tools from homes, airports, client sites, shared offices, and personal networks. For IT and security leaders, the challenge is no lon... Read more


Bespoke Mobile App Development Services for Growing Businesses

June 19th, 2026
Growing businesses often reach a point where off-the-shelf software can no longer support their ambitions. As customer expectations rise, teams expand, and operations become more complex, a tailored digital solution can become a strategic advantage. Bespoke mobile app development services... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

Convert units of area. Examples of such units are meters squared and square feet.

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are liters and teaspoon.

Volume Conversion

Temperature

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

Temperature Conversion

Time

Convert units of time. Examples of such units are hours and days.

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 pounds per square inch.

Pressure Conversion

Digital

Convert units of digital. Examples of such units are bits and kilobytes.

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 megawatt hours.

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are kilometers cubed per second and fluid ounces per minute.

Volume Flow Rate Conversion

Frequency

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

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 degrees and gradians.

Angle Conversion