Introduce the input value and the units in the input fields and select the output system in the dropdown. Then push the convert button.

From

Input value

Input units

To

Calculated value Output units

Select output system

First select the magnitude, and push the update button. Then introduce the input value and the units and push the convert button.

Magnitude

Select magnitude

From

Input value

Select input units

To

Calculated value

Select output units

This is some placeholder content the Settings tab's associated content. Clicking another tab will toggle the visibility of this one for the next. The tab JavaScript swaps classes to control the content visibility and styling.