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Mega Backdoor Roth Calculator
Find out how much you can contribute through the mega backdoor Roth strategy. Calculate your after-tax 401(k) space, compare tax-free growth vs a taxable brokerage, and see year-by-year projections.
Include federal + state + NIIT (3.8%)
Taxed annually in a brokerage account
Optionality · Mega Backdoor Roth Calculator
Mega Backdoor Roth vs Taxable Brokerage
Year-by-Year Projection
| Year | Age | Roth Value | Brokerage (After Tax) | Tax Advantage |
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