This app is build to calculate, bending allowance, bending deduction, Plate or Sheet size required for bending. this app give easy and faster bending calculation plate finish size is calculate as per following finish size = length(L1) + length(L2) - bend deduction. this app is very useful in daily fabrication activity where bending are done frequently. this is very handy tool for fabricator. please consider that k factor is different for different metal normaly it taken in between 0.33 to