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

Nating Meaning: What Does “Nating” Mean vs Similar Slang Terms?

September 24th, 2026
Nating usually means not dating: two people behave like a couple, flirt, text often, maybe go out, but avoid calling it an official relationship. The word is casual slang, not a formal dictionary term, so its meaning depends on context. In most social media posts, ... Read more


How to Make Your Own LLM: Open-Source LLM Frameworks vs Hosted AI Platform Alternatives

September 23rd, 2026
Build your own LLM only if ownership, cost control, data privacy, or product fit clearly justify the extra engineering work. For most teams, making an LLM should not mean training a giant model from scratch. It usually means adapting an existing open-source model, adding compan... Read more


How to Inspect Element on iPad: iPad Web Inspector vs Remote Safari DevTools and Browser Alternatives

September 22nd, 2026
The best way to inspect element on an iPad is to use Safaris Web Inspector with a Mac. The iPad does not offer a full built-in right click, inspect tool like desktop Chrome or Safari. If you need real CSS editing, JavaScript debugging, network logs, and console access, Rem... Read more


Python Externally Managed Environment: Python venv vs pipx and Package Management Alternatives

September 22nd, 2026
Use python -m venv for project packages, and use pipx for Python command-line apps. That is the simple rule. If your Linux system says externally managed environment, do not fight it with random sudo pip install commands. That way... Read more



Unit Conversion



mm

=

cm

Unit Types

Length

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

Length Conversion

Area

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

Area Conversion

Mass

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

Mass Conversion

Volume

Convert units of volume. Examples of such units are pints and gallons.

Volume Conversion

Temperature

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

Temperature Conversion

Time

Convert units of time. Examples of such units are weeks and months.

Time Conversion

Speed

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

Speed Conversion

Pressure

Convert units of pressure. Examples of such units are hectopascals and kilopascals.

Pressure Conversion

Digital

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

Digital Conversion

Parts Per

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

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 megawatts and gigawatts.

Power Conversion

Energy

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

Energy Conversion

Volume Flow Rate

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

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are megahertz and revolutions per minute.

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 kvar.

Reactive Power Conversion

Angle

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

Angle Conversion