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

Gateway Network: Gateway vs Router for Understanding Network Connectivity

October 8th, 2026
A gateway connects one network to another, while a router decides where packets should go next. In many homes and small offices, the same box does both jobs, which is why the terms get mixed up. For clear troubleshooting, security planning, and network design, treat them as relat... Read more


Network Performance: Datadog vs New Relic for Monitoring Application Performance

October 8th, 2026
Choose Datadog if network visibility is your main pain, and choose New Relic if application troubleshooting and developer speed matter more. Both platforms monitor application performance well, but they approach the problem from different angles. Datadog is stronger when you need... Read more


What Is IP Settings? Windows vs macOS for Network Configuration

October 7th, 2026
IP settings define how a device identifies itself and reaches other devices on a network. They control the devices IP address, subnet mask, gateway, and DNS servers. On Windows and macOS, the goal is the same, b... Read more


How Does an IP Address Work? IPv4 vs IPv6 for Understanding Internet Connectivity

October 7th, 2026
An IP address works like a return address for internet traffic: it tells computers, routers, and servers where data should go and where replies should come back. TLDR: An IP address identifies a device or network so data packets can travel across the internet and return t... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

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

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 tablespoon and gallons.

Volume Conversion

Temperature

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

Temperature Conversion

Time

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

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 hectopascals and pounds per square inch.

Pressure Conversion

Digital

Convert units of digital. Examples of such units are terabits and bytes.

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 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 watts and kilowatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

Convert units of volume flow rate. Examples of such units are millimeters cubed per second and centiliters per second.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are megahertz and kilohertz.

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 radians.

Angle Conversion