Weld Joint Strength Calculator

Calculate weld capacity based on AWS D1.1 / AISC standards.

Fillet Weld Strength (E70, per inch)

Leg Size Throat Capacity (kips/in)
3/16" (5mm)0.133"2.78
1/4" (6mm)0.177"3.71
5/16" (8mm)0.221"4.64
3/8" (10mm)0.265"5.57
1/2" (13mm)0.354"7.42