Many of Piece By Number’s patterns are provided as 6 inch (15.2 cm) blocks, so as to fit easily on standard computer printer paper. However, you can easily enlarge or reduce patterns to the perfect size for your project with the help of your local copyshop. Also, see my post on using the latest version of Adobe Reader XI to resize PDF block patterns directly on your home printer.
The table below will help you convert any 6 inch square blocks to other block sizes in inches:
Click here for a PDF table to convert 6 inch square blocks to a range of popular METRIC sizes.
To resize ANY size of quilt block to whatever size you need, please see this article.