Box/Envelope Calculator is a free Android application developed by Homecraft.nl, falling under the Utilities & Tools category. This paper size and punch point calculator is a must-have tool for DIY enthusiasts who love creating custom boxes and envelopes of any size. It can be used with punching boards like the We R Memory Keepers Envelope Punch Board or the Joy!Crafts punch board - card & envelope maker.

The app's intuitive interface allows you to input the dimensions of the box or envelope you wish to create, and it provides you with all the necessary measurements to cut and punch the paper. This easy-to-use tool saves you time and effort, making it ideal for those who love to craft but don't want to spend hours figuring out the calculations.