About Simply Convert

Your Free, Fast, and Accurate Unit Conversion Tool

Welcome to Simply Convert

Simply Convert is a free online unit conversion calculator designed to make your life easier. Whether you need to convert meters to feet, kilograms to pounds, Celsius to Fahrenheit, or perform any other unit conversion, we've got you covered.

Our mission is simple: provide fast, accurate, and easy-to-use conversion tools that are accessible to everyone, anywhere, anytime completely free.

Why Choose Simply Convert?

  • 100% Free: All conversion tools are completely free to use. No subscriptions, no hidden fees, no registration required.
  • Instant Results: Get accurate conversion results in real-time as you type. No waiting, no page reloads.
  • Easy to Use: Simple, clean interface designed for anyone to use—from students and professionals to home cooks and travelers.
  • Accurate Conversions: All conversion formulas are mathematically verified to ensure precision and reliability.
  • No Installation: Works directly in your browser. No apps to download, no software to install.
  • Mobile Friendly: Fully responsive design works perfectly on smartphones, tablets, and desktop computers.
  • Privacy Focused: Your conversion data stays in your browser—we don't store or track what you convert.
  • Always Available: Access our conversion tools 24/7 from anywhere in the world.

Comprehensive Unit Conversion Categories

Simply Convert offers a wide range of unit converters across multiple categories:

Length Conversion

Convert between metric and imperial length units including:

  • Centimeters to inches, inches to cm
  • Meters to feet, feet to meters
  • Kilometers to miles, miles to km
  • Millimeters to inches, yards to meters
  • And 20+ more length conversions

Weight and Mass Conversion

Easily convert weight units such as:

  • Kilograms to pounds, pounds to kg
  • Grams to ounces, ounces to grams
  • Tons to kilograms and more

Temperature Conversion

Convert temperature between:

  • Celsius to Fahrenheit, Fahrenheit to Celsius
  • Celsius to Kelvin, Kelvin to Celsius
  • Fahrenheit to Kelvin and vice versa

Volume Conversion

Perfect for cooking, chemistry, or everyday use:

  • Liters to gallons, gallons to liters
  • Milliliters to ounces, cups to ml
  • And more volume conversions

Area Conversion

Convert area measurements including:

  • Square meters to square feet
  • Acres to hectares
  • Square kilometers to square miles

Speed Conversion

Convert speed and velocity units:

  • KM/h to MPH, MPH to KM/h
  • Meters per second to KM/h
  • Knots to kilometers per hour

Time Conversion

Convert time units from seconds to years:

  • Hours to minutes, minutes to seconds
  • Days to hours, weeks to days
  • Years to days and more

Pressure Conversion

For scientific and engineering needs:

  • PSI to bar, bar to PSI
  • Pascal to PSI
  • Atmosphere to PSI

Energy & Power Conversion

Convert energy and power units:

  • Joules to calories, calories to joules
  • Watts to horsepower, HP to watts
  • Kilowatt-hours to joules

Data Storage Conversion

Digital storage conversions:

  • GB to MB, MB to GB
  • TB to GB, bytes to KB

Number System Conversion

Convert between number systems:

  • Decimal to binary, binary to decimal
  • Decimal to hexadecimal
  • Roman numerals to decimal

And More!

We also offer converters for fuel consumption, angles, force, currency, and text case conversion—all free and easy to use.

Who Uses Simply Convert?

Our free unit conversion tools are trusted by:

  • Students: For homework, projects, and exam preparation
  • Teachers: As a teaching aid and quick reference
  • Engineers: For technical calculations and conversions
  • Cooks & Bakers: Converting recipe measurements
  • Travelers: Understanding foreign measurements
  • DIY Enthusiasts: For home improvement projects
  • Health & Fitness: Tracking weight, distance, and nutrition
  • Scientists: For lab work and research
  • Professionals: Quick conversions in various fields

How It Works

Using Simply Convert is incredibly easy:

  1. Choose Your Converter: Select the conversion category and specific converter you need
  2. Enter Your Value: Type the number you want to convert in the input field
  3. Get Instant Results: The conversion happens automatically—results appear as you type
  4. Copy or Use: Use the converted value for your needs

No clicking "Convert" buttons, no waiting—just instant, accurate results!

Our Commitment to Quality

At Simply Convert, we are committed to:

  • Accuracy: All conversion formulas are thoroughly tested and verified
  • Speed: Lightning-fast conversions with instant results
  • Simplicity: Clean, intuitive interface—no clutter, no confusion
  • Accessibility: Free for everyone, forever
  • Privacy: Your data stays private—conversions happen in your browser
  • Continuous Improvement: Regular updates and new converters based on user feedback

Free Forever

Simply Convert will always remain 100% free. We believe that access to accurate conversion tools should be available to everyone without barriers. No premium plans, no feature locks, no paywalls—just free, unlimited conversions whenever you need them.

Accuracy Disclaimer

While we strive for maximum accuracy in all our conversions:

  • Results may be subject to minor rounding errors
  • We cannot guarantee 100% accuracy for all use cases
  • For critical applications, please verify results independently
  • We are not liable for decisions made based on conversion results

If you find any errors or inaccuracies, please contact us so we can investigate and make corrections.

Get Started

Ready to start converting? Browse our extensive collection of free unit converters:

Contact Us

Have questions, feedback, or suggestions? We'd love to hear from you!

We typically respond to inquiries within 48 hours.