About Unit Converter

Our Mission

Unit Converter is a free online tool designed to make unit conversion fast, accurate, and accessible to everyone. Whether you're a student, engineer, scientist, cook, or just someone who needs a quick conversion, we've got you covered.

What We Offer

Our converter supports 16 categories with hundreds of units:

• Length — meters, feet, miles, kilometers, light years, and more
• Weight — kilograms, pounds, ounces, tonnes, carats, and more
• Temperature — Celsius, Fahrenheit, Kelvin, Rankine
• Area — square meters, acres, hectares, square miles, and more
• Volume — liters, gallons, cubic meters, cups, tablespoons, and more
• Speed — m/s, km/h, mph, knots, Mach
• Data Storage — bytes, KB, MB, GB, TB, KiB, MiB, and more
• Time — nanoseconds to centuries
• Pressure — Pa, bar, atm, psi, mmHg, and more
• Angle — degrees, radians, gradians, arcminutes, arcseconds
• Energy — joules, calories, BTU, kWh, eV, and more
• Power — watts, horsepower, kilowatts, and more
• Density — kg/m³, g/cm³, lb/ft³, and more
• Fuel Economy — km/L, L/100km, mpg (US/UK)
• Frequency — Hz, kHz, MHz, GHz, RPM, and more
• Force — newtons, dynes, kgf, lbf, and more

Multilingual Support

Our tool is available in 8 languages: English, Chinese (中文), Japanese (日本語), Korean (한국어), French (Français), German (Deutsch), Spanish (Español), and Russian (Русский). The interface language is automatically detected based on your location, and you can manually switch at any time.

Privacy First

All conversions happen directly in your browser. We do not send your data to any server, and we do not require account registration. Your privacy is our priority. Read our Privacy Policy for details.

Technology

This site is built with vanilla HTML, CSS, and JavaScript — no frameworks, no tracking, no unnecessary dependencies. It's hosted on Cloudflare Pages for fast global delivery with edge caching.

Contact

Have a suggestion, found a bug, or want to request a new unit? We'd love to hear from you at admin@zaerp.com.