S Corp Tax Savings Calculator

What is an S Corp Tax Savings Calculator?

The S Corp Tax Savings Calculator estimates how payroll taxes and related costs may differ if you run your business as a sole-proprietor LLC or elect S corporation tax status. It compares self-employment tax on business profit with Social Security and Medicare taxes on an S corporation salary, then subtracts costs such as payroll service and an extra tax return.

As a sole proprietor, you generally calculate self-employment tax on 92.35% of profit. The calculation includes Social Security tax up to the 2026 wage base of $184,500, Medicare tax, and Additional Medicare Tax above the applicable threshold: $200,000 for a single filer or $250,000 for a joint filer. An S corporation generally pays Social Security and Medicare taxes on your salary, while remaining profit may pass through as distributions that are not subject to payroll tax.

Why S corporation tax savings matter

Changing your tax status can affect how much cash your business keeps, but the tax comparison is only useful when you include the costs and responsibilities that come with payroll and an S corporation return. A lower payroll-tax estimate does not automatically mean a better overall outcome.

Your salary must be reasonable for the work you do. Setting it too low just to increase distributions can create tax and compliance problems. The right salary depends on your role and business, so discuss it with a qualified tax professional before making an election.

This estimate focuses on the payroll taxes and costs listed in the calculator. It does not show your full federal income tax bill. S corporation profit can still pass through to your personal tax return, and distributions are not automatically tax-free. Confirm the tax and legal consequences with a qualified professional before changing your business structure or tax election.

How to use this S Corp Tax Savings Calculator

1. Enter your business profit before owner pay. Use a realistic estimate for the period the calculator covers, after business expenses but before your salary.
2. Enter the reasonable salary you expect the business to pay you. Base it on the work you perform, not on the amount that produces the largest estimated savings.
3. Add your expected yearly payroll service and extra tax-return cost. Check actual quotes and preparation fees rather than leaving out costs you already know you will incur.
4. Enter the Texas unemployment tax rate that applies to your business. The sample uses 2.7%; the tax applies to the first $9,000 of wages under the method shown.
5. Choose your filing status. It affects the Additional Medicare Tax threshold used in the self-employment-tax calculation. Review the result as an estimate, then compare it with advice based on your full tax and business circumstances.

S Corp Tax Savings Calculator example

How to read your S corporation savings result

A positive difference means the estimated payroll taxes and listed S corporation costs are lower than the LLC self-employment tax in the calculation. A small difference may not justify the extra work or uncertainty. A negative difference means the listed costs and taxes outweigh the estimated self-employment tax for the figures you entered.

Check the rows, not just the headline. The S corporation salary is subject to both the employee and employer shares of Social Security and Medicare, shown together as 15.3% in the method. The estimate also includes FUTA on the first $7,000 and Texas unemployment tax on the first $9,000. Remaining profit may be paid as distributions without payroll tax, but it can still be subject to income tax.

How to improve your S Corp tax savings estimate

1. 01

   Use a supportable salary

   Research compensation for the actual work you perform and keep a record of your duties and pay decisions. If your estimate is based on an unusually low salary, revise it before relying on the result. Ask a tax professional to review the amount.

2. 02

   Get the full cost of running payroll

   Ask payroll providers for a complete fee estimate and include the cost of preparing the S corporation return. Also account for the time and recordkeeping your business will take on.

3. 03

   Test more than one profit forecast

   Run the calculator with a conservative profit estimate and with your current forecast. If you expect to hire, change your pricing, or take on a large contract, update the profit and salary assumptions before making a decision.

4. 04

   Verify your unemployment rate

   Use the rate that applies to your business rather than assuming the sample rate fits. Check your account information or confirm the applicable rate with a tax or payroll professional.

Common S Corp tax savings mistakes

• Treating the result as total tax savings

  The estimate compares specified payroll taxes and costs. It does not calculate your complete federal income tax, so do not treat the difference as the amount your household will save overall.

• Choosing a salary only to increase distributions

  An S corporation owner who works in the business must receive reasonable compensation for the work. A salary that does not reflect your role can undermine the comparison and raise compliance concerns.

• Leaving out real operating costs

  Payroll processing and an extra tax return reduce the estimated savings. Enter what you expect to pay, and update the estimate if your provider quotes or filing costs change.

• Assuming every LLC is taxed the same way

  The comparison uses a sole-proprietor LLC as its starting point. If your LLC has another tax treatment or you have other wages that affect Social Security tax, the estimate may not fit your situation. Ask a tax professional to review your facts.

The S corp savings formula

Key terms

Self-employment tax

Social Security and Medicare tax calculated on self-employment income. The method here applies the tax to 92.35% of sole-proprietor profit.

Reasonable salary

Pay that reflects the work an S corporation owner performs for the business. The salary is subject to Social Security and Medicare payroll taxes.

Distribution

A payment of S corporation profit to an owner. Under the method shown, remaining profit paid as distributions is not subject to payroll tax, but it may still be subject to income tax.

FUTA

Federal unemployment tax. The calculation applies the listed rate to the first $7,000 of wages.

Social Security wage base

The annual earnings limit used to calculate Social Security tax. The calculator uses the 2026 wage base of $184,500.