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

Abandoned Cart Subject Lines: High-Converting Examples for Ecommerce Emails

August 22nd, 2026
The best abandoned cart subject lines are clear, specific, and timed to reduce hesitation, not written to sound clever. Shoppers left because something interrupted them, surprised them, or made them doubt the purchase. Your subject line has one job: get them back to the cart with... Read more


Content Ideas for Email Marketing: Creative Topics to Keep Subscribers Engaged

August 21st, 2026
The best email ideas give subscribers a reason to click today, not someday. Mix useful tips, fun stories, offers, polls, and behind-the-scenes notes so your emails feel human, not like another sales flyer in a crowded inbox. TLDR: Send a healthy... Read more


Squarespace Email Marketing: Features, Campaign Options, and Best Practices

August 21st, 2026
Use Squarespace Email Campaigns if your site, shop, and audience already live in Squarespace. It keeps your website, products, blog posts, and email list in one tidy place. That saves time. It also makes your emails look like your brand without wrestling with a dozen tabs. TLDR:... Read more


Marketing for Manufacturers: Strategies, Channels, and Examples

August 21st, 2026
Manufacturing companies often compete in markets where buying decisions are complex, sales cycles are long, and trust matters as much as price. Effective marketing for manufacturers is not about flashy campaigns; it is about clearly proving capability, reliability, technical fit, and commercial v... Read more



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 centimeters squared and inches squared.

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are cups and feet 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 minutes and days.

Time Conversion

Speed

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

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 megabits and terabits.

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 milliamps and kiloamps.

Current Conversion

Power

Convert units of power. Examples of such units are kilowatts and megawatts.

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 millimeters cubed per second and meters cubed per minute.

Volume Flow Rate Conversion

Frequency

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

Frequency Conversion

Pace

Convert units of pace. Examples of such units are seconds per meter and minutes per kilometer.

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 arcminute.

Angle Conversion