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Compound Interest Calculator
Free compound interest calculator — compound a lump sum yearly, quarterly, or monthly.
Last updated 2026-09-18
Maturity
₹1,48,595
Interest
₹48,595
How it works
A = P (1 + r/n)^(n t).
How to use this calculator
- Enter the inputs shown above (amount, rate, tenure, income, or other fields).
- Read the live results — they update as you type.
- Check the formula, worked example, and assumptions on this page before you decide.
Formula
A = P (1 + r/n)^(n t).
Worked example
₹1 lakh at 8% for 5 years, quarterly, matures around ₹1.49 lakh.
Reading the result
Treat the output as a planning figure. Compare it with your sanction letter, payslip, or GST invoice rather than treating it as a filing or a loan offer.
See also: calculation methodology and disclaimer.
Frequently asked questions
Many bank FDs compound quarterly. Use the FD calculator for that default.
Assumptions and limits
- This is a planning estimate. Your lender, employer, or tax officer may use different inputs or rounding.
Results are educational estimates, not tax, legal, investment, or medical advice, and not a loan offer. Verify filings and payments with the official authority or a qualified professional.
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