Unit Converter
Unit conversion tools for length, temperature, area, weight, volume, energy, data storage and number bases.
Unit Converter
Unit conversion tools for length, temperature, area, weight, volume, energy, data storage and number bases.
Length Unit Converter
Online length unit converter for kilometers, meters, centimeters, millimeters, miles, yards, feet, inches, nautical miles, and Chinese units.
Temperature Unit Converter
Online temperature converter for Celsius, Fahrenheit, and Kelvin. Get accurate instant conversions for weather, science, cooking, and baking.
Area Unit Converter
Online area unit converter for square kilometers, hectares, ares, square meters, square centimeters, mu, acres, square feet, and more.
Weight Unit Converter
Online weight unit converter for metric tons, kilograms, grams, milligrams, pounds, ounces, jin, liang, and more with instant results.
Volume Unit Converter
Online volume unit converter for cubic meters, liters, milliliters, gallons, cubic feet, cubic inches, and more with instant results.
Energy Unit Converter
Online energy unit converter for joules, kilojoules, kilowatt-hours, calories, kilocalories, BTU, electron-volts, and more.
Data Storage Unit Converter
Online data storage converter for bits, bytes, KB, MB, GB, TB, PB, EB, KiB, MiB, GiB, TiB, PiB, and EiB.
Base Conversion Tool
Free online number base converter for binary, octal, decimal, hexadecimal, and custom bases. Convert numbers instantly and copy results.
JSON to XML Converter
Free online JSON to XML converter with customizable root element and indentation. Convert JSON data to well-formatted XML instantly in your browser.
XML to JSON Converter
Free online XML to JSON converter with customizable indentation. Convert XML data to well-formatted JSON instantly in your browser.
What you can do here
Unit Converter brings together 10 focused browser tools for everyday work. The tools on this page are grouped by task so you can move from discovery to action without opening several separate websites.
Most tools run directly in your browser, which helps keep pasted text, code, files, and generated results on your own device whenever the tool does not require a server-side check.
Common use cases
- Quickly choose the right unit converter tool from a single page.
- Handle related tasks such as Length Unit Converter, Temperature Unit Converter, Area Unit Converter without changing context.
- Bookmark the category page as a compact toolbox for repeated daily workflows.
FAQ
Are these unit converter tools free?
Yes. The tools listed on this page are available online without requiring a subscription.
Do I need to install anything?
No. Open the tool in your browser and use it directly on desktop, tablet, or mobile.
Which tool should I start with?
Start with the card that matches your current task. Each card links to a dedicated page with the controls, examples, and usage notes for that tool.