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

What Is Videography? Essential Techniques and Tools for Beginners

October 20th, 2026
Videography is the craft of planning, shooting, recording sound, and editing video to tell a clear story. It can be used for weddings, product demos, YouTube videos, social clips, training lessons, events, real estate tours, interviews, and brand content. Video is not a niche ski... Read more


Precise spatial measurements make all the difference when assembling home storage

October 20th, 2026
You step into your garage with ambitious plans for an organized workshop, only to watch your storage project stall. Overlooking basic spatial planning like uneven floor slopes, tight door clearances, and wall stud locations turns modular casework into an expensive headache. You can avoid these fr... Read more


What Is Shallow Depth of Field? How to Create a Cinematic Background Blur

October 19th, 2026
Shallow depth of field means only a thin slice of the image appears sharp while the foreground or background turns soft and blurry. It is one of the fastest ways to make footage feel more cinematic because it pulls attention toward a face, product, hand, or detail. In photography... Read more


What Is an SRT File? How to Create and Edit Subtitles

October 19th, 2026
An SRT file is a plain text subtitle file that tells a video player what text to show and when to show it. It uses the SubRip format, which is simple, readable, and supported by many video platforms, including YouTube ... 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 centimeters 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 milliliters and fluid ounces.

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 seconds and months.

Time Conversion

Speed

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

Speed Conversion

Pressure

Convert units of pressure. Examples of such units are torrs and pounds per square inch.

Pressure Conversion

Digital

Convert units of digital. Examples of such units are kilobytes and terabytes.

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 amps and kiloamps.

Current Conversion

Power

Convert units of power. Examples of such units are watts 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 deciliters per second and liters per hour.

Volume Flow Rate Conversion

Frequency

Convert units of frequency. Examples of such units are hertz and gigahertz.

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 gvar.

Reactive Power Conversion

Angle

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

Angle Conversion