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Level 2
Mar 17, 2026 7:46 PM UTC
Solved

Form 1116

Form 1116 line 18 not calculating correctly, failing to minus 1040 line 14 as it indicated on the form.

    rogge1722Answer
    Level 10
    Mar 22, 2026 11:46 PM UTC

    In my case, the line 18 is bigger than my taxable income on form 1040, line 15. It is because line 18 did not minus schedule 1-A, line 37 (enhanced deduction for seniors).  


    For line 18 of form 1116, the formula from the 1040 is (line 11b - line 14) + (schedule 1-A, line 37).

    6 replies

    Level 10
    Mar 17, 2026 11:17 PM UTC

    Line 18 is subject to adjustments. The details are described in the form 1116 instructions on p.23.

    Level 2
    Mar 18, 2026 5:05 PM UTC

    Below is an instruction for form 1116 line 18 on IRS website, however turbo tax failing to adjust qualified deductions and not matching form 1040 line 15

     

     

    Individuals: Enter on line 18 the sum of (i) Form 1040,
    1040-SR, or 1040-NR, line 11b, minus Form 1040, 1040-SR,
    or 1040-NR, line 14; and (ii) Schedule 1-A (Form 1040),
    line 37.

    Level 2
    Mar 25, 2026 10:51 PM UTC

    Are you able to resolve the problem?