# Sheet Metal Bend Deduction Calculator

A - Bend angle
°
m
BA - Bend Allowance
T - Material thickness
m
Bend Deduction  =  -32.2558
CALCULATE

Sheet metal right angle bend deduction calculator - formula & step by step calculation to find the difference between the sum of flange lengths and the initial flat length. BD = {[2(R + T) x tan(A/2)] - BA}. The inside bend radius R in m, material thickness T in m, bend angle A in degrees & bend allowance BA are the key elements of this calculation.

## Formula for Sheet Metal Bend Deduction

In mechanical engineering, the below mathematical formula is used to find the difference between the sum of flange lengths and the initial flat length.

In the field of mechanical engineering, sometime, it's important to analyse the bend deduction of materials. The above formula & step by step calculation may useful for users to understand how the values are being used in the formula to find the change in material's right angle bend deduction, however, when it comes to online for quick calculations, this sheet metal bend deduction calculator helps the user to perform & verify such calculations as quick as possible.