Equity Compensation Calculators
4 free calculators — all 50 states
Compare ISO vs. NSO stock option exercise taxes, estimate your Alternative Minimum Tax (AMT), and calculate the tax split on ESPP share sales — all with current 2026 federal exemption and rate brackets.
All Calculators
AMT (Alternative Minimum Tax) Calculator
Estimate your 2026 Alternative Minimum Tax (AMT) using the current federal exemption, phase-out thresholds, and 26%/28% rate brackets — including ISO exercise and capital gains.
AMT Credit (Form 8801 Minimum Tax Credit) Calculator
Estimate the Minimum Tax Credit (Form 8801) your AMT payment generates — and how much of it you can use to offset regular tax next year, e.g. after exercising ISOs.
ESPP (Employee Stock Purchase Plan) Tax Calculator
Calculate the ordinary income vs. capital gains tax split when you sell ESPP shares — compare a qualifying vs. disqualifying disposition and see your real after-tax proceeds.
ISO vs. NSO Stock Option Tax Calculator
Compare the tax cost of exercising Incentive Stock Options (ISOs) vs. Non-Qualified Stock Options (NSOs) — including an AMT estimate for ISOs and ordinary income tax + FICA for NSOs.
About Equity Compensation Calculators
Compare ISO vs. NSO stock option exercise taxes, estimate your Alternative Minimum Tax (AMT), and calculate the tax split on ESPP share sales — all with current 2026 federal exemption and rate brackets. All 4 calculators are free to use, require no sign-up, and provide instant, formula-based results — see each calculator's own methodology section below for exactly how its figures are calculated and sourced.
Each calculator includes a detailed methodology section explaining the formulas used, data sources cited with verification dates, and frequently asked questions to help you understand the results. Results are shareable and print-friendly.