What is an RSU?
Shares your company gives you that vest over time; you owe tax when they vest.
Run the numbers →
For tech workers building real wealth
Your equity, explained in plain numbers.
Clear calculators for decisions about RSUs, taxes and retirement accounts—so you can compare choices before committing money.
Learn the essentials.
Plain-language explanations for the choices behind the calculators.
What is a 401(k)?
A retirement account through your employer; money grows tax-deferred until you withdraw it.
Compare accounts →Roth vs Traditional
Traditional saves tax now. Roth saves tax later.
See the tradeoff →Employer match
Free money: your company adds to your 401(k) when you contribute. Don’t leave it unclaimed.
Plan your contribution →Backdoor Roth
High earners over the income limit can still fund a Roth via a two-step contribution.
Explore Roth choices →Start with the decision in front of you.
Each free tool turns a complicated financial choice into a side-by-side view you can understand and discuss.
RSU Tax Calculator
Estimate the tax impact when restricted stock units vest and see how supplemental withholding can differ from your likely tax rate.
- Federal tax
- Withholding gap
- Net proceeds
401(k) vs Roth Calculator
Compare paying taxes now with paying later, using your own contribution, growth and tax assumptions across the years.
- After-tax outcome
- Time horizon
- Tax-rate scenarios
Numbers first. Noise last.
Intelligent wealth, backed by superintelligence. WealthSI makes the math visible without pretending there is one right answer for everyone.
Step 1
Enter what you know
Use your actual vest, contribution and tax assumptions—not a generic profile.
Step 2
Compare the tradeoffs
See outcomes side by side, including where a change in assumptions matters.
Step 3
Take the next conversation
Bring a clearer question to your CPA, financial adviser or benefits team.
Watch in under a minute.
“Good financial decisions begin with seeing the whole tradeoff.”
Tech compensation creates unusual choices: shares arrive in batches, withholding can be misleading, and retirement decisions stretch across decades.
WealthSI makes those choices easier to inspect with free, direct tools designed around questions tech workers actually face.