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FD calculator

FD calculator

Principal amount

Interest rate (p.a.)

%

Tenure (years)

year

Tenure (months)

month

Compounding frequency

Tax slab

Expected inflation rate (p.a.)

%
Maturity amount
₹ 1,41,478
Total interest earned
₹ 41,478
Post-tax returns
₹ 1,41,478
Real returns (after inflation)
₹ 1,05,720
70%
30%

Disclaimer: This is a pre-tax maturity estimate. Post-tax value accounts for TDS on interest earned.

Frequently Asked Questions

How is the maturity amount of a fixed deposit calculated?

A fixed deposit earns compound interest. The maturity amount is calculated using the formula:

A=P×(1+rn)nt

Where

A = Maturity amount

P = Principal (deposit) amount

r = Annual interest rate (as a decimal)

n = Number of times interest is compounded per year

t = Tenure in years

Example

Say you deposit ₹ 1,00,000 at 7% p.a. compounded quarterly for 5 years:

Principal (P) ₹ 1,00,000

Interest rate (r) 7%

Compounding (n) 4 times a year

Tenure (t) 5 years

Plugging these values into the formula, your deposit grows to about ₹ 1,41,478, earning roughly ₹ 41,478 in interest.

What does the Goal-Based FD calculator do?

It works backwards from a target amount. You enter the amount you want to reach and the time you have, and it calculates how much you need to invest today in a fixed deposit to get there.

How does compounding frequency affect FD returns?

The more frequently interest is compounded, the higher the maturity amount for the same interest rate. Monthly compounding yields slightly more than quarterly, which yields more than half-yearly or yearly, because interest starts earning interest sooner.

Is FD interest taxable?

Yes. Interest earned on a fixed deposit is added to your income and taxed as per your income tax slab. Banks also deduct TDS on FD interest above the prescribed threshold. This calculator estimates your post-tax returns based on the tax slab you select.

What are real returns after inflation?

Real returns show the purchasing power of your maturity amount in today's money. It adjusts the maturity amount for the expected inflation rate over the tenure, so you can see what your FD is actually worth after rising prices are taken into account.