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LLC Tax Election Comparison Calculator (2025)

Compare LLC tax elections side by side — sole proprietor vs S-Corp vs C-Corp. Find the best tax structure for your LLC based on income, salary, and deductions.

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Best Option

S Corporation

19.02%

S Corporation Rate

Max Savings

$13,761

Lowest Tax

$28,524

Highest Tax

$42,285

Summary

For $150,000 in LLC income, the S Corporation election produces the lowest tax at $28,524, saving up to $13,761 compared to the most expensive option.

The S Corporation election produces the lowest total tax at $28,524 (19.02% effective rate), saving up to $13,761 compared to the most expensive option.

C-Corp taxation involves double taxation: after paying the owner a reasonable salary (with FICA on both sides), the corporation pays 21% on remaining profits, then shareholders pay 15% on qualified dividends.

S-Corp election requires paying yourself a reasonable salary ($60,000), but distributions above the salary avoid FICA taxes, potentially saving thousands.

Total Tax by Election Type

Sole Proprietor$37,608
S Corporation$28,524
C Corporation$42,285

Election Comparison

3 rows

ElectionPayroll TaxIncome TaxTotal TaxEffective RateQuarterly Est.
Sole Proprietor$21,194$16,413$37,60825.07%$9,402
S Corporation$9,222$19,302$28,52419.02%$7,132
C Corporation$9,222$33,063$42,28528.19%$4,482

Estimate based on federal taxes only. C-Corp scenario includes owner salary with FICA, then distributes remaining after-tax profits as qualified dividends. Does not include state taxes, compliance costs, or SSTB QBI phase-out rules. Not tax advice.

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