Effective Throat Thickness Calculator

Calculate effective throat thickness for various weld types (fillet, partial penetration, flare)

Different weld types have different effective throat calculations per AWS D1.1.
For fillet welds: leg size. For groove welds: depth of groove preparation.
inches
Included groove angle for partial penetration groove welds. Affects effective throat deduction.

Results

Effective Throat (te)-inches
Effective Throat-mm
Throat Area per Inch-in²/in
Calculation Method-
References: AWS D1.1 Table 2.1 and 2.2 - Effective Throat of groove and fillet welds. Deductions per AWS D1.1-2020.