Compound Interest Calculator
Calculate compound interest on loans with visual graphs and detailed amortization tables.
This tool provides a comprehensive analysis of your loan payments and compound interest. With the ability to set service and financial fees, it generates an accurate estimate of your loan repayment costs.
Results are presented in two interactive graphs and a detailed amortization table breaking down the full calculations.
Prefilled with an example: R100 000 at 11.75% (the SA prime rate) over 5 years. Edit any field to calculate your own loan.
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Pay extra cash each month to see how much interest you save and how much sooner you pay off. From/to months are optional. Leave blank to apply for the whole term.
Enter an extra monthly amount on the left to see how much interest and time you would save.
Visual Breakdown
Loan Amount vs Compound Interest
How much compound interest adds to the loan.
Interest vs principal by month
How the first payments are affected by compound interest.