83(b) Election Savings Calculator
Free 83(b) election calculator compares tax at grant versus vest for restricted stock and computes net present value of the election tax savings instantly.
How It Works
Enter the inputs described in each field label for 83(b) Election Savings Calculator. Adjust the inputs above to see how changes affect the projection.
Section 83(b) election taxes restricted stock at grant so future appreciation may qualify for capital gains rates. Use QSBS Exclusion Calculator and ESO Value on portfolios.tools for equity compensation tax analysis. Numbers update instantly so you can pressure test assumptions quickly.
Use QSBS Exclusion Calculator and ESO Value on portfolios.tools for equity compensation tax analysis.
Bookmark the page for quick reruns without installing software.
Step by step
- Open 83(b) Election Savings Calculator and enter your current inputs.
- Review calculated outputs and summary tables.
- Adjust assumptions and compare scenarios side by side.
Worked example
Adjust one input at a time to see sensitivity.
Common mistakes
Confirm tickers, percentages, and dates before acting.
Running a single baseline scenario ignores tail risks.
The Formula
Tax at Grant = Shares × Grant Price × Ordinary Rate
Tax at Vest = Shares × Vest Price × Ordinary Rate
Savings = Tax at Vest − Tax at Grant
83(b) must be filed within 30 days of grant. Forfeit risk if shares never vest is material.
Limitations and assumptions
83(b) must be filed within 30 days of grant. Forfeit risk if shares never vest is material. 83(b) Election Savings Calculator does not replace personalized advice.
Key terms
- What does 83(b) Election Savings Calculator measure
- Section 83(b) election taxes restricted stock at grant so future appreciation may qualify for capital gains rates.
- How is the formula applied
- The formula block on this page shows every intermediate step so you can audit the math against textbook definitions.
- Model assumption
- Interpret results in context rather than as automatic buy, sell, or accept signals.
Compare alternatives
Use QSBS Exclusion Calculator and ESO Value on portfolios.
FAQ
What does 83(b) Election Savings Calculator measure?
Section 83(b) election taxes restricted stock at grant so future appreciation may qualify for capital gains rates. This calculator runs entirely in your browser on portfolios.tools. The formulas and any bundled reference data are documented below.
How is the formula applied in 83(b) Election Savings Calculator?
83(b) must be filed within 30 days of grant. Forfeit risk if shares never vest is material. You can change any input and rerun the calculation as many times as you like. Comparing scenarios side by side is the most reliable way to understand how sensitive the result is to each assumption.
How should I interpret 83(b) Election Savings Calculator results?
Section 83(b) election taxes restricted stock at grant so future appreciation may qualify for capital gains rates.
What are common input mistakes with 83(b) Election Savings Calculator?
Stress test with conservative and optimistic inputs before acting. Document assumptions when sharing outputs with colleagues or clients.
What are the limitations of 83(b) Election Savings Calculator?
83(b) must be filed within 30 days of grant. Forfeit risk if shares never vest is material.
Related Tools
Use QSBS Exclusion Calculator and ESO Value on portfolios.tools for equity compensation tax analysis.