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Wealth Building
Compound Interest Calculator
Use this calculator to estimate how investment growth and regular contributions may compound over time. It is designed as a South African planning aid, not a guarantee of performance.
Estimated Result
Estimated future value
R 0
Total contributedR 0
Estimated growthR 0
Assumed annual return0%
Contribution frequencyMonthly
Compounding frequencyMonthly
Important Assumptions
- Illustrative growth only. Markets do not deliver a fixed return every year.
- Results exclude fees, tax, inflation, and product-specific restrictions.
- Use this as a discussion tool before making an investment decision.
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Calculator FAQ
Questions people usually have before using this calculator
What does a compound interest calculator show?
It shows how investment growth on both your starting capital and ongoing contributions may build on itself over time under a chosen return assumption.
Is compound interest guaranteed?
No. The calculator is illustrative only. Real returns vary, and fees, tax, and inflation can materially affect the actual outcome.