Convert Any UnitInstantly
Free online unit converter with 62+ categories and 722+ units. Accurate, fast, and optimized for AI assistants.
Why Choose Convert2?
The most comprehensive and developer-friendly unit conversion tool on the web.
Lightning Fast
Instant conversions with no page reloads. Calculate on the fly as you type.
Accurate Results
Precision-engineered formulas based on international standards.
All Units
From everyday conversions to specialized engineering units.
AI Ready
MCP server integration allows AI assistants to use our converters directly.
Popular Converters
Quick access to our most frequently used unit converters.
Who Uses Convert2?
Our converter is designed for everyone, from students to professionals.
Students & Educators
Perfect for homework, science projects, and teaching unit conversions.
Engineers & Scientists
Precise calculations for professional and scientific applications.
International Business
Convert between metric and imperial for global operations.
Everyday Use
Quick conversions for cooking, travel, fitness, and more.
All Unit Converters
Browse all 62 converter categories organized by type.
Common Converters(16 converters)
Engineering Converters(11 converters)
Electricity Converters(7 converters)
Magnetism Converters(4 converters)
Radiology Converters(4 converters)
Light Converters(5 converters)
Heat Converters(7 converters)
Fluids Converters(7 converters)
Sound Converters(2 converters)
Other Converters(3 converters)
About Convert2 - Free Online Unit Converter
Convert2 is a comprehensive online unit conversion tool designed to help you convert between different units of measurement quickly and accurately. Whether you need to convert length measurements like centimeters to inches, weight measurements like kilograms to pounds, or temperature from Celsius to Fahrenheit, our converter has you covered.
Built with precision and speed in mind, Convert2 provides instant results as you type, with no page reloads or waiting. Our conversion formulas are based on internationally recognized standards, ensuring accuracy for both everyday use and professional applications.
Key Features
- 62+ conversion categories covering all measurement types
- 722+ individual units including metric, imperial, and scientific
- Real-time conversion that calculates results instantly
- Mobile-friendly responsive design for any device
- AI-ready API with MCP support for Claude and ChatGPT
- Formula display showing exactly how conversions are calculated
How to Use Convert2
Choose Category
Select the type of unit you want to convert
Enter Value
Type the number you want to convert
Select Units
Choose your source and target units
Get Results
See instant conversion with formula
For Developers
Convert2 provides a powerful API and MCP (Model Context Protocol) server for seamless integration with AI assistants and applications. Use our API to add unit conversion capabilities to your projects, or configure your AI assistant to use Convert2 directly.
Frequently Asked Questions
Is Convert2 free to use?
Yes, Convert2 is completely free with no registration required. Use our converter as many times as you need with no limitations.
How accurate are the conversions?
Our conversions use precise factors based on international measurement standards. Results are suitable for professional, scientific, and everyday use.
Can I use Convert2 on my phone?
Absolutely! Convert2 is fully responsive and works perfectly on smartphones, tablets, and desktop computers.
Does Convert2 work offline?
Convert2 is a web application that requires an internet connection. However, results are calculated instantly with minimal data usage.
Can I integrate Convert2 into my application?
Yes! We provide a REST API and MCP server for integration. Check our API documentation for details on programmatic access.
What units does Convert2 support?
We support 722+ units across 62+ categories including length, weight, temperature, volume, and many more.