Compound Interest Calculator
Enter a starting amount, an annual rate, a time period and an optional monthly deposit to see how your balance can grow with compounding.
How to use it
- Enter the starting amount and the yearly interest rate.
- Enter the number of years and how often interest compounds.
- Optionally add a monthly deposit.
- Press Calculate to see the final balance and a yearly breakdown.
Limitations
- Assumes a fixed rate for the whole period. Real rates change.
- Monthly deposits are added at the end of each month.
- Does not include tax, fees or inflation. It is an estimate, not financial advice.
- For Islamic or profit-based products, check the provider’s own profit calculation method.
Frequently asked questions
What does compounding frequency mean?
How often earned interest is added to the balance. More frequent compounding gives slightly more growth.
Does it work in PKR?
Yes. The calculator uses plain numbers, so any currency works.
Why does my bank show a different number?
Banks may use different compounding dates, fees, taxes or rate changes.
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