Universal Unit Converter
Instantly convert length, weight, volume, temperature, and more with our free, secure, and privacy-first online tool.
About What is a Unit Converter?
A Unit Converter is an essential online tool that enables instant and accurate conversion between different units of measurement. Whether you need to convert length (meters to feet, kilometers to miles), weight (kilograms to pounds, grams to ounces), volume (liters to gallons), temperature (Celsius to Fahrenheit), time, or data storage, this comprehensive converter handles all your conversion needs.
Understanding the difference between metric and imperial systems is crucial in our globalized world. The metric system (meters, kilograms, liters, Celsius) is used by most countries worldwide, while the imperial system (feet, pounds, gallons, Fahrenheit) is primarily used in the United States. Our unit converter seamlessly bridges both measurement systems.
All conversions happen entirely in your browser using client-side processing—your data never leaves your device. The tool is completely free, requires no registration, and works on all devices including desktops, tablets, and smartphones.
Key Features of Unit Converter
Everything you need for professional unit converter
Comprehensive Categories
Convert Length, Weight, Volume, Temperature, Time, Data Storage, and more, all in one place.
Instant & Accurate
Get real-time, precise conversion results as you type, powered by robust calculation logic.
Easy Swap Function
Quickly reverse your conversion with one click using the intuitive swap button.
One-Click Copy
Copy results to clipboard instantly for easy pasting into documents or applications.
Mobile Optimized
Fully responsive design works flawlessly on smartphones, tablets, and desktops.
100% Private
All calculations happen in your browser. No data is sent to servers or stored anywhere.
How to Use Unit Converter
Follow these simple steps to get started
Select Category
Choose the measurement category you want to convert (Length, Weight, Volume, Temperature, Time, or Data).
Enter Value
Type the numerical value you want to convert in the "From" input field.
Choose Units
Select your source unit from "From" and target unit from "To" dropdowns.
View & Copy Result
See the converted value instantly. Use copy button or swap to reverse conversion.
Pro Tips
- 1 meter = 3.28084 feet, 1 kilometer = 0.621371 miles for quick length estimates.
- 1 kilogram = 2.20462 pounds, 1 ounce = 28.3495 grams for weight conversions.
- 1 US gallon = 3.78541 liters, 1 cup = 236.588 milliliters for cooking.
- Use the swap button to quickly reverse any conversion without re-entering values.
- Temperature is the only non-linear conversion - it uses formulas, not simple ratios.
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Frequently Asked Questions
Everything you need to know about Unit Converter
What is a Unit Converter?
A Unit Converter is an essential online tool that instantly converts values between different measurement units. You need it for international travel, cooking, scientific work, construction projects, and everyday conversions.
How do I convert meters to feet?
Select the "Length" category, enter your value, choose "Meter (m)" as your source unit and "Feet (ft)" as your target unit. 1 meter equals 3.28084 feet.
How do I convert kilograms to pounds?
Select the "Weight" category, enter your kilogram value, choose "Kilogram (kg)" as from-unit and "Pound (lb)" as to-unit. 1 kilogram = 2.20462 pounds.
What measurement categories are supported?
We support 6 categories: Length, Weight, Volume, Temperature, Time, and Data Storage. Each includes the most commonly used units for both metric and imperial systems.
Is my data safe and private?
All unit conversions happen 100% in your browser using client-side JavaScript. No data is ever sent to our servers. Your conversions remain completely private.
Do I need to create an account?
No registration or account required! Simply visit the page and start converting immediately. There are no hidden fees or premium subscriptions.
Still need help?
Can't find what you're looking for? Our support team is here to assist you.
Contact Support