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Compound interest calculator

For a lump sum, a recurring deposit, or any pot that earns a stated rate. A SIP has its own calculator, because the usual SIP formula is slightly different.

Starting lump sum50,000
Initial investment or current FD balance.
Optional monthly addition0
Additional cash added at the start of each month.
Annual return rate8%
Time horizon10 yrs
Compounding Frequency
Indian fixed deposits typically compound quarterly.

Total Future Value (Pre-tax)

Maturity

₹1,07,946

Principal combined with compound interest.

Total Deposited

₹50,000

Lump sum + monthly adds

Compound Growth

₹57,946

Total earned interest

Principal Put InTotal Value
Year by year
YearPut inValue
1₹50,000₹54,000
2₹50,000₹58,320
3₹50,000₹62,986
4₹50,000₹68,024
5₹50,000₹73,466
6₹50,000₹79,344
7₹50,000₹85,691
8₹50,000₹92,547
9₹50,000₹99,950
10₹50,000₹1,07,946

How the number is calculated

The annual rate is turned into an equivalent monthly rate for the compounding you picked, so a lump sum with yearly compounding still lands on that annual rate after twelve months. Money you add is included from the month you add it.

Monthly compounding at the same quoted rate ends a little higher than yearly compounding. That gap is the point of the toggle. It is not a reason to pick a product.

What this leaves out

Tax on the interest, and the chance the rate changes. A fixed deposit rate is a contract for a term. A fund return is not. Use the SIP calculator when the plan is a monthly market investment rather than a stated rate.

The 30-day checklist is on this site. The order is the useful part.

Open it