Free tools
Calculators that show their assumptions.
No account, email, or tracking form required. Every formula links to the government source behind it and explains where a simple estimate stops being reliable.
Social Security Tax Estimator
Estimate combined income, taxable benefits, and the share of Social Security included in federal taxable income.
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Required Minimum Distribution Calculator
Estimate an annual RMD from prior-year balance and age using the IRS Uniform Lifetime Table.
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