Sheet Metal Bend Calculator
Sheet Metal Bend
Calculate bend allowance and deduction for sheet metal.
Formula
BA = (PI/180) x Angle x (Radius + K x Thickness)
Frequently Asked Questions
What is the K-factor?
The K-factor is the ratio of the neutral axis location to the material thickness.
What K-factor should I use for mild steel?
Use 0.33 for air bending and 0.42 for bottom bending mild steel.