FD Calculator

FD Details

What is a Fixed Deposit (FD) and How Does It Work?

A Fixed Deposit (FD) remains one of the most popular and safest investment options in India. It offers guaranteed returns, making it ideal for risk-averse investors who want to grow their savings without market volatility. When you open an FD with a bank or NBFC, you agree to lock in a specific amount for a fixed tenure at a predetermined interest rate. In return, the institution pays you interest, which is calculated using compound interest formulas.

Understanding how much your money will grow is crucial before you commit your funds. That's exactly where our FD Calculator helps. It instantly shows your maturity amount and the total interest you will earn. Whether you are planning to invest in SBI, HDFC, ICICI, or any other bank, this tool uses standard financial formulas to give you accurate results.

The Formula Behind FD Calculation

FDs generally use compound interest, where you earn interest not only on your principal but also on the accumulated interest. The mathematical formula is:

Maturity Amount = P × (1 + r/n)^(n×t)

Where:
P = Principal amount (your deposit)
r = Annual interest rate (as a decimal, e.g., 7.5% = 0.075)
n = Number of times interest is compounded per year (Quarterly = 4, Monthly = 12)
t = Time period in years

Most Indian banks use quarterly compounding for FDs, which is set as the default in this calculator.

Examples to Understand Better

Example 1: You deposit ₹1,00,000 at 7% interest for 5 years with quarterly compounding.
Maturity Amount = ₹1,41,478 (approx). Total Interest Earned = ₹41,478.

Example 2: You deposit ₹5,00,000 at 6.5% for 10 years.
Maturity Amount = ₹9,53,000 (approx). Total Interest = ₹4,53,000. Notice how your money nearly doubles over a decade.

Example 3: A short-term FD of ₹2,00,000 at 7.5% for 3 years.
Maturity Amount = ₹2,49,931 (approx). Total Interest = ₹49,931.

Taxation on Fixed Deposits

Interest earned from FDs is fully taxable as per your income tax slab. If your total interest from all FDs exceeds ₹40,000 in a financial year (₹50,000 for senior citizens), the bank will deduct 10% TDS (Tax Deducted at Source). If you fall in the 20% or 30% tax bracket, you will need to pay the remaining tax when filing your ITR.

Senior Citizen Benefits

Senior citizens usually get an additional 0.50% to 0.75% interest rate on FDs. They also enjoy a higher TDS exemption limit of ₹50,000 per year.

Frequently Asked Questions (FAQs)

Q: What happens if I withdraw my FD before maturity?
A: Premature withdrawal usually attracts a penalty. Banks typically reduce the applicable interest rate by 0.5% to 1% if you break the FD early.

Q: Can I take a loan against my FD?
A: Yes, most banks allow you to borrow up to 90% of your FD value as a loan without breaking the deposit.

Q: Are corporate FDs better than bank FDs?
A: Corporate FDs offer higher interest rates but come with slightly higher risk. Bank FDs are the safest as deposits up to ₹5 lakh per bank are insured by DICGC.

When Should You Use This Calculator?

Use this FD calculator whenever you want to compare interest rates across different banks or plan your savings for a future goal. It helps you make informed decisions by showing exactly how much you'll earn over a specified period.

Related Calculators

• RD Calculator — Recurring Deposit maturity
• Compound Interest Calculator — Interest on Interest
• PPF Calculator — Tax-free long-term investment