Tudo Cálculo

What it does

Tudo Cálculo is a free platform with 20+ online calculators for Brazilians. Compound interest, loans, income tax, severance, FGTS, PJ vs CLT, vehicle financing, BMI, ideal weight, ovulation, and more. All calculators use 2026 Brazilian data, show step-by-step explanations, and work great on mobile. No sign-up needed — just pick a calculator and get instant results. Built to help students, workers, and families make better decisions.

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