Unit Converter Tools
Free online converters for length, weight, volume, temperature, area, speed, time, and storage
Length Converter
Convert meters, kilometers, miles, feet, inches, yards, and more.
Open Tool →Weight Converter
Convert kilograms, grams, pounds, ounces, metric tons, and stones.
Open Tool →Volume Converter
Convert liters, milliliters, cubic meters, gallons, cups, and spoons.
Open Tool →Temperature Converter
Convert Celsius, Fahrenheit, Kelvin, and Rankine instantly.
Open Tool →Area Converter
Convert square meters, hectares, acres, square feet, and more.
Open Tool →Speed Converter
Convert meters per second, kilometers per hour, miles per hour, and knots.
Open Tool →Time Converter
Convert milliseconds, seconds, minutes, hours, days, weeks, months, and years.
Open Tool →Digital Storage Converter
Convert bits, bytes, KB, MB, GB, TB, KiB, MiB, and GiB.
Open Tool →Unit Converter Tools - Frequently Asked Questions
What unit converters are available on ConverterBox?
ConverterBox includes browser-based tools for length, weight, volume, temperature, area, speed, time, and digital storage conversions.
Are these unit conversion tools free to use?
Yes. All unit converter tools are free, require no login, and run directly in your browser.
Do unit conversions upload my values to a server?
No. The conversion math runs locally in the browser, so the values you type stay on your device.
Can I convert between metric and imperial units?
Yes. The common converters include metric, imperial, and US customary units such as meters, feet, kilograms, pounds, liters, gallons, acres, and miles per hour.