This type area calculator can help you determine the arrangement of a book page.
The Method defines the margin ratio. The grid9 method is equivalent to the classical construction and with a 2:3 ratio of the page leads to a 2:3:4:6 margin ratio. You can alternatively choose a fixed ratio and enter the width of one of the margins. Use the calculated values in a layout progrom of your choice.
This calculator was written in php and requires JavaScript.