Free Online Unit Converters
A complete suite of fast, accurate, and private unit conversion tools. Convert length, weight, temperature, data storage, and more—all instantly and securely in your browser.
Length Converter
Convert between different units of length.
Weight Converter
Convert between different units of weight.
Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin.
Volume Converter
Convert between different units of volume.
Speed Converter
Convert between different units of speed.
Data Storage Converter
Convert between different units of data storage.
Angle Converter
Convert between degrees, radians, and grads.
Why Use Our Free Unit Converters?
In a world of data, accurate measurement conversion is essential. Whether you're a student, an engineer, or just cooking a recipe, our tools provide the precision and ease of use you need, with an unparalleled commitment to your privacy.
100% Private & Secure
All calculations happen directly in your browser. The numbers you enter are never sent to our servers, guaranteeing your data's privacy and making it the most secure online converter available.
Instantaneous Speed
Without network latency or server queues, conversions happen instantly as you type. Our tools are faster than any traditional online converter, providing immediate feedback for your calculations.
Comprehensive & Accurate
From metric to imperial and everything in between, our tools use internationally recognized conversion factors to ensure your results are always accurate and reliable for any application.
Your Essential Conversion Toolkit
Length & Distance
Seamlessly convert between meters, kilometers, miles, feet, and inches. Perfect for construction projects, travel planning, or academic work. Our Length Converter provides instant and precise results for all your dimensional analysis needs.
Weight & Mass
Instantly switch between kilograms, grams, pounds, and ounces. Whether you're in the kitchen, a science lab, or a warehouse, our Weight Converter ensures your measurements are always accurate.
Temperature
Effortlessly convert between Celsius, Fahrenheit, and Kelvin. Ideal for scientific calculations, weather analysis, or simply understanding temperature scales from around the world. Try our simple Temperature Converter.