Loan Calculator

Calculate monthly payments and total interest for loans and mortgages.

Amortization System

Loan Amount ($)

Interest Rate (%)

Loan Term (Years)

Enter loan details to see the amortization.

How to use the Loan Calculator

Choose the amortization system: SAC (decreasing payments) or Price (fixed payments).
Enter the total loan amount.
Set the annual interest rate (e.g., 10.5%).
Enter the term in years.
Click Calculate to see the first payment, total interest, and the full month-by-month table.

Features

SAC and Price Tables
Full Amortization Schedule
Total Interest Paid
Month-by-Month Balance

Perguntas Frequentes

What is the difference between SAC and Price?

In SAC (Constant Amortization System), payments start higher and decrease over time. In Price, payments are fixed from start to finish. SAC usually results in less total interest.

Which system is better for mortgages?

It depends on your cash flow. SAC amortizes debt faster, reducing total interest. Price offers lower initial payments but higher total cost.

Is the interest rate nominal or effective?

This calculator uses the nominal annual rate and converts it proportionally to monthly. Additional costs like insurance and administrative fees (APR) are not included.

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