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South Carolina Form SC1040 (2025)
Your 2025 federal return, carried into South Carolina as a full-year resident. Every figure is computed in your browser from the return you have already entered, and anything this engine cannot yet figure says so at the line rather than printing a number that would be wrong.
This is a hypothetical South Carolina return, so the official layout is not offered for it. A page that looked exactly like the printed form would be mistaken for one.
Federal — Form 1040
Total income0
Adjusted gross income0
Taxable income—
Total tax—
South Carolina — Form SC1040
State income—
Taxable income—
Total tax—
Refund or amount owednot computed — not your resident state
Form SC1040 — South Carolina Resident Income Tax Return
A working replica. Not a South Carolina Department of Revenue form and not for filing.
South Carolina Department of Revenue
Tax year 2025
Tax year 2025
Federal starting figure
Federal starting figure: blankAdditions
Additions: blankSubtractions
Subtractions: blankState income
State income: blankDeduction
Deduction: blankExemptions
Exemptions: blankTaxable income
Taxable income: blankTax before credits
Tax before credits: blankNonrefundable credits
Nonrefundable credits: blankTax after nonrefundable credits
Tax after nonrefundable credits: blankTotal tax
Total tax: blankPayments, refund and amount owed
not figuredThis engine does not yet figure South Carolina’s withholding, estimated payments or settlement. Form SC1040 has those lines; they are missing from this page, not from the form.
Worksheets and schedules behind these figures
Age 65 deduction
Age 65 deduction: blankCapital gain deduction
Capital gain deduction: blankDependent exemption
Dependent exemption: blankMuni interest addition
Muni interest addition: blankRetirement deduction
Retirement deduction: blankSocial security subtraction
Social security subtraction: blankTwo wage earner credit
Two wage earner credit: blankWhat this South Carolina return is missing
- The state tax addback when itemizing (line a)too lowS.C. Code §12-6-1130(2) · the state income tax inside federal itemized deductions; nil for a standard-deduction filer
- Deduction for dependents under six years of age (line t)too highS.C. Code §12-6-1140(12) · a second exemption-sized deduction for each dependant under six
- Military retirement deduction (lines p-4 to p-6)too highS.C. Code §12-6-1171 · 100% of military retirement, less the $15,000 the age-65 lines already allow
- South Carolina-source municipal interest excluded from the line d addbacktoo highS.C. Code §12-6-1120(1) · the South Carolina-issuer share of tax-exempt interest, at up to 6%
- Interest from United States obligations (line m)too highS.C. Code §12-6-1120(2) · the Treasury share of taxable interest, at up to 6%
- Volunteer, National Guard, College Investment and Consumer Protection deductionstoo highS.C. Code §12-6-1140 · $6,000 per qualifying volunteer, plus 100% of Future Scholar contributions
- Active Trade or Business Income flat 3% election (line l and line 8)direction unknownS.C. Code §12-6-545 · nil for a filer with no pass-through business income
- Child and Dependent Care credit and the SC1040TC creditstoo highS.C. Code §12-6-3380 · 7% of the federal child and dependent care expense, plus the SC1040TC credits
- Lump-sum distribution tax and the catastrophe savings withdrawal tax (lines 7 and 9)too lowS.C. Code §12-6-510 · the separate SC4972 tax; nil for a filer with none
- Credit for taxes paid to another state (SC1040TC)too highS.C. Code §12-6-3400 · out of scope by NG7 — this engine computes no multi-state allocation
What this South Carolina return is not telling you
- blanksc1040.base_start could not be figured.
- blanksc1040.muni_interest_addition could not be figured.
- blanksc1040.additions could not be figured.
- blanksc1040.capital_gain_deduction could not be figured.
- blanksc1040.social_security_subtraction could not be figured.
- blanksc1040.retirement_deduction could not be figured.
- blanksc1040.age_65_deduction could not be figured.
- blanksc1040.dependent_exemption could not be figured.
- blanksc1040.exemptions could not be figured.
- blanksc1040.subtractions could not be figured.
- blanksc1040.deduction could not be figured.
- blanksc1040.state_agi could not be figured.
- blanksc1040.taxable_income could not be figured.
- blanksc1040.tax_before_credits could not be figured.
- blanksc1040.two_wage_earner_credit could not be figured.
- blanksc1040.nonrefundable_credits could not be figured.
- blanksc1040.tax_after_nonrefundable could not be figured.
- blanksc1040.total_tax could not be figured.