Use this function to compute selected areas in terms of other specified units.
Area (pixels). Displays the total number of pixels in the selected area of the image.
Use image resolution. Check this option to use the image resolution when converting pixels to output units.
Measured unit. Select the desired unit of measure for pixels in the image.
Dots per unit / Units per dot. Select Dots per unit if a pixel's size is less than one full unit. Select Units per dot if a pixel's size is greater than one unit.
Output unit. Select the output unit of measure. This measured unit above will be converted to this measure.
Area. Displays the area in converted units.