Unit Converter
Convert between 15+ unit categories including length, weight, temperature, area, volume, speed, data storage, and more. Shows the conversion formula for every result.
1 Millimeters (mm) = 0.1 Centimeters (cm)How to Use the Unit Converter
Select a unit category (length, weight, temperature, etc.), choose your source and target units, and enter a value. The conversion result updates in real time. Use the swap button to reverse the direction. Every conversion displays the exact formula so you can verify the math or use it in your own calculations. For web-specific sizing, try the CSS unit converter for px, rem, and viewport units.
What Units Are Supported?
This converter covers 10 categories with over 70 individual units. Length includes millimeters through miles. Weight covers milligrams to metric tons. Temperature converts between Celsius, Fahrenheit, and Kelvin using exact formulas. Data storage converts bits through terabytes using binary (1024-based) values. Speed, area, volume, time, energy, and pressure round out the collection. All conversion factors use official standards.
Common Use Cases
Convert between metric and imperial units for international collaboration. Calculate storage requirements in different data units. Convert cooking measurements between cups, liters, and fluid ounces. Translate speed limits between km/h and mph when traveling. Convert energy units for nutrition or engineering calculations. The formula display makes this tool useful for education and verification, not just quick conversions. Need to convert number systems instead? Use the number base converter for binary, octal, decimal, and hex.