Should I choose an S-corp for my business in 2026 or 2027 planning?

Use this S-corp tax savings calculator to compare sole proprietor and S-corp tax outcomes. It estimates how reasonable salary, distributions, payroll taxes, self-employment tax, and administrative costs may affect the break-even point.

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S-corp tax savings calculator

Quick answer

An S-corp can reduce self-employment tax when business profit is high enough and reasonable salary, payroll taxes, and admin costs still leave net savings. This simulator estimates that tradeoff.

Also answers

  • sole proprietor vs S-corp calculator
  • LLC vs S-corp tax calculator
  • reasonable salary calculator
  • self-employment tax savings calculator

Good fit when

  • Comparing entity tax outcomes
  • Estimating S-corp break-even profit
  • Planning reasonable salary assumptions

Have ready

  • Business net profit
  • Reasonable salary and payroll assumptions
  • S-corp administrative costs

Result you get

Estimated sole prop tax, S-corp tax, net savings, and break-even notes.

How this calculation works

  • Estimates SE tax for a sole proprietor using net profit.
  • Models an S-corp salary and distribution split with payroll taxes.
  • Compares total federal tax and potential savings.

Common mistakes and caveats

  • Reasonable salary rules are complex and fact-specific.
  • Entity setup and payroll costs are not included.
  • State taxes can change the comparison.

FAQ

Does this account for payroll and setup costs?

No. It focuses on tax impact; setup and ongoing costs should be considered separately.

Last updated & sources

Last updated June 4, 2026.

TaxGuide Pro provides free state and federal tax calculators for individuals, freelancers, and small businesses.