Free planning calculators designed to help people compare scenarios, understand assumptions, and make more informed decisions.
Featured calculators
Each calculator runs in your browser, requires no account, and includes plain-English result explanations where available.
Estimate a monthly investing target from an income goal, current savings, returns, and withdrawal assumptions.
Best for: People comparing retirement income goals, savings gaps, and contribution targets.
Open Retirement Calculator →Estimate mortgage payment, entered housing costs, extra-payment scenarios, and payoff-goal requirements.
Best for: Homeowners testing payment assumptions, extra principal, and payoff timelines.
Open Mortgage Calculator →Explore a simplified Roth conversion path, conversion taxes, and after-tax account values.
Best for: Users learning how conversion assumptions can affect taxable and after-tax estimates.
Open Roth Conversion Calculator →Use basic, scientific, and graphing modes with a restricted parser and local browser calculation.
Best for: Students, families, and professionals who need quick local math and graphing support.
Open Math Workspace Calculator →Responsible launch
Ad placements are planned around educational content and related calculators, not inside the calculator controls or result cards. The goal is to keep the tools trustworthy while the site grows.
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