Conversion
Free unit converters for length, weight, temperature, area, speed, and data storage. Instant conversions between metric and imperial units.
Free Online Unit Converters
Convert between units instantly with our comprehensive collection of unit converters. Whether you need to convert length, weight, temperature, or other measurements, our tools provide accurate results in real-time. Perfect for cooking, travel, science, engineering, and everyday conversions.
Why Use Our Unit Converters?
Instant Conversions
Results appear immediately as you type. No need to click buttons or wait for calculations.
High Precision
Our converters use precise conversion factors for accurate results, whether you need rough estimates or scientific precision.
Multiple Units
Convert between dozens of units in each category - metric, imperial, and other measurement systems.
Bidirectional Conversion
Convert from any unit to any other unit in the same category. Miles to kilometers or kilometers to miles - it works both ways.
Common Conversions Quick Access
Popular conversions like Fahrenheit to Celsius or pounds to kilograms are just a click away.
Works Offline
Once loaded, our converters work even without an internet connection - perfect for travel.
How to Use Unit Converters
Select the type of conversion you need - length, weight, temperature, volume, or other measurement types.
Choose the unit you're converting from and the unit you're converting to from the dropdown menus.
Enter the value you want to convert. Results appear instantly as you type.
View the converted value along with the conversion factor used for verification.
Copy the result or try different values to convert multiple measurements quickly.
Common Use Cases
Cooking & Recipes
Convert recipe measurements between cups, milliliters, ounces, and grams for perfect results every time.
Travel & Navigation
Convert miles to kilometers, Fahrenheit to Celsius, and understand foreign measurements while traveling.
Science & Engineering
Perform precise unit conversions for scientific calculations, engineering projects, and academic work.
Shopping & Commerce
Compare prices per unit when products are sold in different measurements or quantities.
Frequently Asked Questions
Our converters use internationally recognized conversion factors. For most purposes, the results are as accurate as you'll need. For critical scientific applications, we display the full precision of the conversion.