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

Datto RMM Review: Features, Pricing, and Remote Monitoring Alternatives

August 5th, 2026
Datto RMM is a cloud-based remote monitoring and management platform designed primarily for managed service providers, IT departments, and distributed support teams. It helps technicians monitor endpoints, automate maintenance, deploy patches, run scripts, and support users remotely from a centra... Read more


Pix4D Review: Features, Drone Mapping, Pricing, and Alternatives

August 4th, 2026
Pix4D is one of the most established names in drone mapping, photogrammetry, and 3D reconstruction. It is used by surveyors, engineers, construction teams, farmers, public safety departments, and GIS professionals who need to turn aerial images into accurate maps, models, and mea... Read more


6 Managed IT Services for Small Businesses Compared by Cost and Support

August 3rd, 2026
Small businesses often reach a point where informal tech support is no longer enough. Employees need fast help, systems need protection, and owners need predictable costs instead of surprise repair bills. Managed IT services fill that gap by outsourcing routine technology work to a specialist pro... Read more


Best B2B Email Marketing Agencies for Lead Nurturing, Demand Generation, and Revenue Growth

August 3rd, 2026
B2B email marketing is not about blasting inboxes and hoping magic happens. It is about sending the right message to the right buyer at the right time. A great agency can help you turn cold leads into warm talks, warm talks into sales calls, and sales calls into revenue. TLDR:... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

Convert units of area. Examples of such units are meters squared and kilometers squared.

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 teaspoon and feet cubed.

Volume Conversion

Temperature

Convert units of temperature. Examples of such units are celsius 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 miles per hour 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 terabits 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 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 megawatts and gigawatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are milliliters per second and fluid ounces per hour.

Volume Flow Rate Conversion

Frequency

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

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 gvar.

Reactive Power Conversion

Angle

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

Angle Conversion