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!

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PDF SEO Best Practices for Making Downloadable Documents Easier for Search Engines to Discover

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A searchable, tagged, fast-loading PDF with a clear HTML landing page is the safest way to make downloadable documents easier for Google and other search engines to find. Search engines can index PDFs, but they still prefer clear signals: descriptive file names, readable text, us... Read more


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Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

Convert units of area. Examples of such units are hectare and square miles.

Area Conversion

Mass

Convert units of mass. Examples of such units are grams and kilograms.

Mass Conversion

Volume

Convert units of volume. Examples of such units are pints and yards cubed.

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 hours and years.

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 torrs and kilopound per square inch.

Pressure Conversion

Digital

Convert units of digital. Examples of such units are gigabits 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 millivolts.

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 gigawatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are kiloliters per second and teaspoons per second.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are terahertz and degrees per second.

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 arcsecond.

Angle Conversion