Incentive Stock Option Calculator: Inputs
Number of Options
Options Strike Price ($)
Exercise FMV or Assessment/409A ($)
Sale Price ($)
Tax Bracket Information
Marginal Tax Rate (%)
Alternative Minimum Tax Rate (%)
Short Term Capital Gains Tax Rate (%)
Long Term Capital Gains Tax Rate (%)
📊 Compute ISO Return and Tax    Compute & Show Breakdown

Incentive Stock Option Calculator: Outputs
Held Grant | Exercise to Sale:	Any | Under 12 Months	< 24 months | > 12 Months	> 24 Months | > 12 Months
Exercise Cost (with worst case AMT)1 ($):
Bargain Element/AMTi ($):
Ordinary Income ($):
Capital Gains ($):
Income Tax (No AMT Adj) ($):
Capital Gains Tax ($):
Gross at Sale ($):
Total Tax ($)2:
Net3 ($):

^{1 - Assumes AMT charged from the first dollar of bargain element
2 - Not including AMT already paid
3 - After any credit for past AMT; includes cost basis}