📏 Unit Converter
Professional unit conversion tool with support for 8+ categories including length, weight, temperature, volume, area, speed, time, and energy. Convert between metric, imperial, and international systems instantly.
Select Unit Category
How to Use the Unit Converter
Select Category
Choose from 8 unit categories: Length, Weight, Temperature, Volume, Area, Speed, Time, or Energy. Each category contains the most commonly used units.
Enter Value & Units
Input the value you want to convert in the "From" field, then select your source and target units from the dropdown menus.
Get Instant Results
View the converted result immediately. Use quick conversion cards for common values or the swap button to reverse the conversion.
Why Use Our Unit Converter?
Precise Calculations
Get accurate conversions with high precision calculations. Our tool handles complex unit relationships and provides reliable results for all measurements.
Instant Results
Real-time conversion as you type with no delays. Perfect for students, professionals, and anyone who needs quick unit conversions.
International Standards
Supports metric, imperial, and international unit systems. Convert between different measurement standards used worldwide.
Mobile Friendly
Works perfectly on all devices - desktop, tablet, mobile, and TV screens. No app downloads required, use it directly in your browser.
Powerful Features
8 Unit Categories
Complete coverage of essential measurements: length, weight, temperature, volume, area, speed, time, and energy conversions.
Quick Swap Function
Instantly reverse your conversion with the swap button. Perfect for comparing values in both directions.
Real-time Conversion
See results as you type with instant calculations. No need to click buttons or wait for processing.
Conversion History
Automatic saving of recent conversions for easy reference. Access your previous calculations anytime.
Temperature Conversion
Special handling for temperature scales including Celsius, Fahrenheit, Kelvin, and Rankine with proper formulas.
Privacy Focused
All conversions happen in your browser. No data is sent to servers, ensuring complete privacy and fast performance.
Perfect For These Situations
Students & Education
Perfect for homework, assignments, and learning different measurement systems. Essential for physics, chemistry, and engineering studies.
Engineering & Construction
Convert measurements for blueprints, specifications, and project planning. Switch between metric and imperial systems seamlessly.
Cooking & Baking
Convert recipe measurements between cups, milliliters, ounces, and grams. Perfect for international recipes and precise baking.
Travel & International
Understand weather temperatures, distance measurements, and weights when traveling to countries using different unit systems.
Fitness & Health
Convert weight measurements, running distances, and understand BMI calculations across different measurement systems.
Professional Work
Essential for architects, scientists, doctors, and professionals who work with international clients and standards.
Pro Tips for Unit Conversion
Double-Check Critical Conversions
For important measurements like medical dosages or engineering specifications, always verify results with a second source.
Bookmark for Quick Access
Add this unit converter to your bookmarks for instant access. Perfect for students and professionals who convert units regularly.
Learn Common Conversions
Memorize frequently used conversions like 1 inch = 2.54 cm or 1 kg = 2.2 pounds for quick mental calculations.
Understand Precision
Consider the precision needed for your use case. More decimal places aren't always better - match precision to your requirements.
Frequently Asked Questions
Is the unit converter free to use?
Yes, our unit converter is completely free to use with no limitations. You can perform unlimited conversions across all 8 categories without any charges or registration requirements.
What unit categories are supported?
We support 8 major categories: Length (meters, feet, inches, etc.), Weight (kilograms, pounds, ounces), Temperature (Celsius, Fahrenheit, Kelvin), Volume (liters, gallons, cups), Area (square meters, acres), Speed (mph, km/h), Time (seconds, hours, days), and Energy (joules, calories, BTU).
How accurate are the conversions?
Our converter uses precise mathematical formulas and provides accurate results to 8 significant digits. For temperature conversions, we use exact mathematical relationships between scales.
Does it work on mobile devices?
Yes, our unit converter is fully responsive and works perfectly on all devices including smartphones, tablets, desktops, and TV screens. No app download required.
Can I use this offline?
Once the page loads, most conversions work offline since all calculations happen in your browser. However, an internet connection is required for the initial page load.