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Free Financial Calculators.

Five free, accurate financial calculators built by our team. Use them as decision-support tools, the math is real, the assumptions are documented, and the results are yours.

S-Corporation Tax Savings Calculator

Estimate how much you would save in self-employment tax by electing S-corp status.

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Your Estimated Tax Savings

SE tax as sole prop / LLC$0
Payroll tax as S-corp$0
Annual savings$0
Annual S-corp compliance cost~$3,000
Net annual benefit$0
Assumes 15.3% self-employment tax on profit subject to SE tax. Distributions in excess of reasonable salary are not subject to payroll tax. Reasonable compensation must be supportable for your role. Consult a professional before electing.

Quarterly Estimated Tax Calculator

Estimate your quarterly federal estimated tax payment for the current tax year.

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Your Quarterly Estimate

Estimated annual federal tax$0
Self-employment tax$0
Less W-2 withholding$0
Total annual liability$0
Each quarterly payment$0
Estimates use 2026 federal brackets and standard deduction. SE tax uses 15.3% on net SE earnings up to the Social Security wage base. Does not include state tax. For planning use only.

Profit Margin Calculator

Calculate gross, operating, and net margins for your business.

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Your Margins

Gross profit$0
Gross margin %0%
Operating profit$0
Operating margin %0%
Net margin %0%
Industry benchmarks vary widely. Service businesses typically show 50%+ gross margins; product businesses often see 30-50%; commodities can run 10-20%. Net margins below 5% may signal margin pressure.

Cash Runway Calculator

Calculate how many months of operations your current cash will fund.

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Your Runway

Monthly net burn$0
Cash position$0
Months of runway0
Runway depletion dateIndefinite
If revenue exceeds expenses, runway is shown as indefinite. We recommend maintaining minimum six months of operating reserves. Below 90 days is the threshold at which most operators should be actively raising or cutting costs.

Effective Tax Rate Calculator

Calculate your true effective federal tax rate across income brackets.

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Your Tax Profile

Federal tax owed$0
Marginal bracket0%
Effective rate0%
After-tax income$0
Calculation uses 2026 federal brackets. Does not include payroll tax (15.3% for self-employed), AMT, NIIT, or state/local taxes. For planning purposes only.

Calculators answer general questions. We answer yours.

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