Frequently asked questions.

Convertly is a free online unit conversion platform that helps you quickly convert measurements between different units.

Yes. Convertly's core conversion tools are free to use. You can perform conversions without creating an account.

No. Convertly works directly in your web browser, so there is no software or app installation required.

Select the converter you need, enter your value, choose the source and target units, and Convertly will calculate the converted result instantly.

Convertly supports many common categories including length, weight, temperature, area, volume, speed, time, data, pressure and energy.

Yes. Convertly can convert between commonly used metric and imperial units such as kilometers and miles, kilograms and pounds, and liters and gallons.

Yes. Temperature conversions include Celsius, Fahrenheit and Kelvin.

Convertly uses standard conversion factors and formulas to calculate results. Displayed values may be rounded for readability while calculations maintain appropriate precision.

Many units do not have an exact whole-number relationship. Decimal results help represent the converted value more accurately.

Convertly is designed for everyday calculations, education and general reference. For regulated, safety critical or highly specialized applications, independently verify important results.

No account is required to use the basic conversion tools.

Yes. Convertly is designed to work across desktop, tablet and mobile screen sizes.

Yes. Use the theme button in the header to switch between light and dark mode. Your preference can be remembered by your browser.