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Free FD Calculator – Fixed Deposit Maturity & Interest

FD Calculator estimates your fixed deposit maturity value and interest online for free. Compute FD returns with compounding instantly in your browser.

Maturity ValueTotal InterestFlexible CompoundingInstantFree

Maturity Value

141,478

Principal

100,000

Interest Earned

41,478

Gross maturity before tax. Interest is usually taxable and TDS may apply.

100% Private

All calculations run locally in your browser. Nothing is uploaded.

How to Use FD Calculator

1

Enter Principal

Type the lump-sum amount you plan to deposit.

2

Set Rate & Tenure

Enter the annual rate, tenure, and compounding frequency.

3

View Maturity

See your maturity value and total interest earned.

Estimate Your Fixed Deposit Maturity Value

The Helperzy FD Calculator estimates the maturity value of a fixed deposit from the principal, the annual interest rate, the tenure, and how often interest compounds. Banks usually compound FD interest quarterly, and the tool defaults to that while letting you choose monthly, half-yearly, or yearly compounding to match your bank. It uses the standard compound-interest formula, so the maturity amount reflects interest earning interest over the term. The calculator shows the maturity value, the principal, and the total interest separately, making it easy to see exactly how much your deposit grows. Savers use it to compare FD offers from different banks, to decide between tenures, to plan for a goal with a known maturity date, and to understand how compounding frequency affects returns. A deposit that compounds quarterly earns slightly more than the same rate compounded annually. Note that the figure shown is the gross maturity value before tax; interest on fixed deposits is usually taxable, and banks may deduct TDS, so your in-hand amount can be lower. Use the current rate your bank offers for the most accurate estimate. The calculator runs entirely in your browser and never stores your numbers.

Frequently Asked Questions – FD Calculator

Enter the principal, annual interest rate, tenure, and compounding frequency in the Helperzy FD Calculator. It applies the compound-interest formula and instantly shows your maturity value and the total interest earned.