Free Online
Unit Converter
Convert length, weight, temperature, and more instantly with our free online Unit Converter. 100% privacy-first, works entirely in your browser.
Convert Between Units Instantly
Select a measurement category and convert between metric and imperial units with precision.
Why Use Our Unit Converter?
Accurate, fast, and privacy-focused unit conversion for all your measurement needs.
6+ Measurement Categories
Convert length, weight, temperature, volume, speed, and area with precision.
Bidirectional Conversion
Easily swap between units with our intuitive interface and instant results.
Instant Results
Real-time conversion as you type with high precision and industry-standard formulas.
100% Private
All conversions happen in your browser. No data is sent to our servers.
Supported Measurement Categories
Comprehensive unit conversion across multiple measurement types.
Length Conversion (Meters, Feet, Inches, etc.)
Convert between metric and imperial length units
Weight Conversion (Kilograms, Pounds, Ounces, etc.)
Convert between metric and imperial weight units
Temperature Conversion (Celsius, Fahrenheit, Kelvin)
Convert between all temperature scales
Additional Units (Volume, Speed, Area, etc.)
Volume, speed, and area conversions
How to Use the Unit Converter
Simple steps to convert between any units with precision and ease.
Select Category
Choose the measurement type: length, weight, temperature, volume, speed, or area.
Choose Units
Select the units you want to convert from and to using the dropdown menus.
Enter Value
Type your value and see the instant conversion result with high precision.
Common Use Cases for Unit Conversion
How our Unit Converter helps in development, science, and everyday life.
Convert units for programming projects, API responses, and technical specifications.
Accurate conversions for research, calculations, and engineering measurements.
Quick conversions for cooking, travel, shopping, and daily life calculations.
FAQ – Unit Converter
Common questions about unit conversion and our privacy-first tool.
Our Unit Converter supports length, weight, temperature, volume, speed, and area units. You can switch between metric and imperial units instantly with high precision.
Yes. Once loaded, the Unit Converter runs entirely in your browser with no server calls, allowing you to use it offline without internet connection.
Yes. All conversions are based on precise mathematical formulas and industry-standard conversion factors to ensure accuracy for professional and personal use.
Yes. We support temperature conversion between Celsius, Fahrenheit, Kelvin, and Rankine with precise formulas for accurate scientific calculations.
Simply select your desired units from the dropdown menus. The tool automatically detects whether you're using metric or imperial and converts accordingly.