Fast & Accurate Unit Converter
Convert instantly between 100+ units of measurement. Free, secure, and accurate.
Our online unit converter provides fast and accurate conversions between over 100 different units of measurement. Whether you need to convert length, mass, temperature, volume, area, angle, time, speed, pressure, current, voltage, or digital data units, our free tool gives you instant and reliable results.
All conversions are performed locally in your browser, ensuring data security and calculation speed. Our converter supports SI, Imperial, US Customary, and regional unit systems for worldwide compatibility.
Popular Conversions
The most searched conversions by our users
Discover the most popular conversions used by our users. These examples demonstrate the accuracy and ease of use of our online unit converter. Each conversion includes detailed formulas and practical examples to help you understand the process.
Celsius to Fahrenheit
Meters to Feet
Kilograms to Pounds
Liters to US Gallons
Kilometers to Miles
Square Meters to Square Feet
Kilometers per Hour to Miles per Hour
Celsius to Kelvin
All Categories
Explore our converters by category
Explore our converters organized by category. Each category contains specialized units with precise conversion formulas. Our converters cover all scientific, technical, and everyday domains to meet all your conversion needs.
Length
8 units
Meters, feet, inches, etc.
Mass
8 units
Kilograms, pounds, ounces, etc.
Temperature
7 units
Celsius, Fahrenheit, Kelvin, etc.
Volume
27 units
Liters, gallons, cubic meters, etc.
Area
11 units
Square meters, square feet, acres, etc.
Angle
5 units
Degrees, radians, gradians, etc.
Time
10 units
Seconds, minutes, hours, etc.
Speed
5 units
Meters per second, miles per hour, etc.
Pace
4 units
Minutes per mile, minutes per kilometer, etc.
Pressure
8 units
Pascals, bars, PSI, etc.
Current
3 units
Amperes, milliamps, etc.
Voltage
3 units
Volts, millivolts, etc.
Digital
10 units
Bytes, bits, kilobytes, etc.
Why Choose Us?
Discover what makes our converter the best choice
Our online unit converter stands out for its speed, accuracy, and ease of use. Designed for professionals, students, and everyday users, it offers an uncompromising conversion experience with instant and reliable results.
Lightning Fast
Instant conversions with real-time calculations
100% Secure
All calculations happen locally in your browser
International
Support for SI, Imperial, and regional units
Precise Results
Accurate conversions with detailed formulas