ClearYear/Calculators

Stock comp

NSO Exercise Tax Calculator

Estimate ordinary income and withholding need when exercising nonqualified stock options.

Use this for

  • NSO exercises
  • same-day option sales
  • private-company option planning
Exercise cost$6,400
Ordinary income spread$13,600
Estimated tax need$5,712
Total cash need$12,112

NSO spread is generally ordinary income at exercise.

What changes the result

Small input changes can move the answer quickly.

NSO spread is usually ordinary wage income.

Payroll tax may apply.

Final withholding depends on employer process.