Compound Interest Calculator
Calculate compound interest and maturity value with configurable principal, rate, time and compounding frequency.
Result
Principal vs interest
- Principal₹1,00,000.00(68.1%)
- Interest earned₹46,932.81(31.9%)
Growth over time
What is Compound Interest Calculator?
Compound Interest Calculator models the exponential growth of principal deposits over time across configurable compounding intervals. It allows comparing annual, semi-annual, quarterly, monthly, and daily compounding schedules to visualize how compounding frequency affects total interest earned on fixed deposits, bonds, and savings instruments.
How to use Compound Interest Calculator
- 1Enter the initial principal deposit amount in Rupees.
- 2Enter the nominal annual interest rate percentage.
- 3Enter the investment horizon in years.
- 4Select the compounding frequency (e.g. Quarterly for standard Indian bank FDs) to see maturity values.
Key features
Configurable Compounding Frequency
Switch between Annual (1x), Semi-Annual (2x), Quarterly (4x), Monthly (12x), and Daily (365x) compounding schedules.
Interactive Principal vs Interest Visualization
Visual donut chart displaying the exact proportional split between starting deposit and accrued interest.
Yearly Compounded Growth Chart
Inspect annual progression of accumulated capital over the full tenure.
Private Local Execution
Runs 100% inside your web browser without transmitting confidential financial details.
Examples & use cases
5-Year Fixed Deposit with Quarterly Compounding
₹1,00,000 principal at 8% annual interest for 5 years compounded quarterly
Principal: ₹1,00,000 | Rate: 8% | Duration: 5 Years | Frequency: Quarterly (4x/yr)
Principal: ₹1,00,000 | Interest Earned: ₹48,595 | Maturity Amount: ₹1,48,595
10-Year Annual Compounding Growth
₹5,00,000 principal at 7.5% annual interest for 10 years compounded annually
Principal: ₹5,00,000 | Rate: 7.5% | Duration: 10 Years | Frequency: Annually (1x/yr)
Principal: ₹5,00,000 | Interest Earned: ₹5,30,517 | Maturity Amount: ₹10,30,517
Frequently asked questions
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