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

Healthcare Lead Generation Companies Compared: Definitive Healthcare vs. IQVIA for Finding Qualified Prospects

October 16th, 2026
Pick Definitive Healthcare if your sales team needs named healthcare accounts fast. Pick IQVIA if your team sells into pharma, life sciences, payer, or enterprise markets and needs deeper market data. Definitive Healthcare says its platform covers hospitals, IDNs, physicians, cli... Read more


Best B2B List Building Services: Apollo.io vs. UpLead for Targeted Prospecting

October 15th, 2026
Choose Apollo.io if you want a broad prospecting system with outreach built in; choose UpLead if verified contact quality matters more than having everything in one workspace. Apollo advertises access to more than 275 million contacts and ... Read more


Best Outsourced SDR Companies: Martal Group vs. SalesRoads for B2B Growth

October 15th, 2026
Martal Group is the better fit for B2B tech firms that need multichannel outbound across email, LinkedIn, calling, and account research, while SalesRoads is stronger for U.S. companies that want disciplined appointment setting with a heavier phone and SDR management model. SalesR... Read more


What Does the Tracert Command Do?: tracert vs traceroute for Understanding Network Routes

October 13th, 2026
Tracert shows the path your network traffic appears to take from your computer to a target server, one router hop at a time. On Windows, tracert sends packets with increasing Time to Live values and reports each router that answers before the destination is reached; ... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

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

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are kiloliters and fluid ounces.

Volume Conversion

Temperature

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

Temperature Conversion

Time

Convert units of time. Examples of such units are milliseconds and years.

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 pascal and pounds per square inch.

Pressure Conversion

Digital

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

Digital Conversion

Parts Per

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

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 megawatts and gigawatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are inches cubed per second and feet cubed per second.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are kilohertz and radian per second.

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 volt-ampere reactive and mvar.

Reactive Power Conversion

Angle

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

Angle Conversion