For illustration purposes. These calculators give rough estimates using 2026 figures and simplified assumptions. Tax law may change, which may change calculations slightly. They are not tax advice; your real numbers come from your free tax analysis.
Calculator 01 · Structure
S corp savings calculator
Compare self-employment tax on all your profit with payroll tax on a reasonable salary. How the S corp election works →
- Self-employment tax as a sole prop or LLC
- Payroll tax on your salary as an S corp
- Profit taken as distributions
- Estimated payroll tax difference
Payroll and self-employment tax only (Social Security wage base $184,500). Doesn’t include income tax effects, the QBI deduction, the 0.9% additional Medicare tax, or S corp costs like payroll processing and a separate return.
Get My Real NumbersCalculator 02 · Retirement
Solo 401(k) contribution calculator
For S corp owners with no full-time employees other than a spouse. How the Solo 401(k) works →
- Employee contribution (incl. catch-up)
- Employer contribution (25% of salary)
- Total you could put away
- Federal income tax deferred
- Oklahoma income tax deferred
Personal tax (if made pre-tax)
2026 limits: $24,500 employee deferral, $72,000 total, plus catch-up of $8,000 at 50+ or $11,250 at ages 60–63. Sole proprietors use a different formula.
Get My Real NumbersCalculator 03 · Family
Augusta Rule calculator
Your business rents your home for real meetings, up to 14 days a year. How the Augusta Rule works →
- Rent deducted by the business
- Rent you report as income
- $0
- Federal income tax saved (up to)
- Oklahoma income tax saved (up to)
Business
Personal tax
Assumes a pass-through business whose profit flows to your personal return. Somewhat less if you also claim the QBI deduction.
Get My Real NumbersCalculator 04 · Family
Hiring your children calculator
Pay your children reasonable wages for real work in your business. How hiring your children works →
- Wages deducted by the business
- Payroll tax on the wages
- Federal income tax saved (up to)
- Oklahoma income tax saved (up to)
- Federal income tax on the wages
Business
Your personal tax
Each child’s personal tax
Wages up to the $16,100 standard deduction are generally free of federal income tax for a child with no other income. A child may owe a small amount of Oklahoma tax. Work and pay must be real and reasonable.
Get My Real NumbersCalculator 05 · Oklahoma
Oklahoma PTE election calculator
For Oklahoma S corps and partnerships with Oklahoma-resident owners. How the PTE election works →
- Oklahoma PTE tax paid by the business (4.75%)
- Oklahoma tax owners no longer pay personally (4.5% top rate)
- Federal income tax saved
Business tax
Personal tax
The PTE rate is a little higher than the top individual rate, so the business pays somewhat more Oklahoma tax in exchange for the federal deduction. Federal savings are a bit lower if you also claim the QBI deduction.
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