Loan Simulator

Calculate loan installments using the Price system (fixed payment) or SAC (constant amortization).

Created by: Renato Passos, Eng. de Software
Reviewed by: Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

Investment disclaimer. Simulations are informational and based on publicly available rate tables. See full disclaimer

About this tool

Price (francês): parcelas fixas do início ao fim. No começo a maior parte é juros; no fim, amortização.

SAC: amortização constante. Primeiras parcelas são maiores (mais juros), mas reduzem a cada mês. Total pago geralmente menor que Price.

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Mortgage: SAC vs PRICE

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Investment disclaimer

Simulations are informational and based on publicly available rate tables. They do not constitute investment advice, a securities offering or regulated financial consulting under SEC and FINRA rules (US) or MiFID II and ESMA guidelines (EU). Past performance does not guarantee future returns. Consult a licensed financial professional (CFP, CFA, RIA in the US; MiFID-authorized adviser in the EU) or your bank before making final decisions.

See all platform disclaimers