Keep an eye on your stock option taxes
The Stock Option Tax Calculator shows the costs to exercise your stock options, including taxes, based on your company's current valuation.
A higher valuation usually means higher stock option taxes
Taxes can be the most expensive part of exercising your stock options — and the most unexpected. We'll break your exercise costs down to show you how it's determined, and how the cost can change if you wait to exercise.
A calculator for your stock options taxes
Comprehensive equity compatibility
Incentive Stock Options (ISOs), Non-statutory Stock Options (NSOs), a variety of vesting schedules... our calculator is designed to handle most equity situations seamlessly.
Detailed tax calculations
Get a thorough breakdown of both federal and state tax implications, including the Alternative Minimum Tax (AMT).
Effortless data import from Carta
Easily import your equity data from Carta with just a few clicks, ensuring that all your information is up-to-date and accurately reflected in your tax calculations.
Need help covering the cost of exercising?
Exercising stock options can be one of the biggest financial costs you'll ever face. It’s a big decision and we’re here to help - from equity planning to stock option financing.
Learn more about financing
Check out more resources or get personalized advice
Our solutions for your equity
Non-Recourse Financing
Tap into the value of your shares without selling or get an advance to exercise.
Explore Financing