CalcFi
The calculator you can cite — sourced to BLS, Census, and the Fed.
CalcFi is a free financial calculator platform built for clarity and trust. Every formula cites a federal or primary source — BLS, BEA, Census, FRED, Freddie Mac PMMS — with visible methodology, transparent provenance, and zero fabricated advice. The library covers 90+ calculators across mortgage affordability, paycheck take-home, retirement readiness, tax brackets, debt payoff, salary comparison, cost of living, and more. State and city variants auto-inject local tax rates, median rents, and re…
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