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FD Calculator

finance

Free online FD calculator — calculate Fixed Deposit maturity amount, interest earned, and Certificate of Deposit (CD) returns easily.

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What is FD Calculator? Complete Guide 2026

A Fixed Deposit (FD) is one of India's most popular and safest investment options. Banks offer guaranteed returns over a fixed period. Our free FD Calculator helps you instantly calculate the maturity amount and total interest earned for any FD investment. Whether you're planning a short-term FD for 3 months or a long-term FD for 5 years, our calculator supports both cumulative (interest compounds) and non-cumulative (periodic payout) options.

Understanding FD Calculator

A Fixed Deposit is a financial instrument where you deposit a lump sum amount with a bank for a fixed tenure at a predetermined interest rate. At maturity, you receive your principal plus accumulated interest. Types of FD: - **Cumulative FD**: Interest compounds and is paid at maturity (higher returns) - **Non-Cumulative FD**: Interest paid monthly/quarterly (regular income) - **Tax-Saving FD**: 5-year lock-in with Section 80C benefit

How to Use FD Calculator - Step by Step Guide

1. Enter your deposit amount (principal) 2. Enter the annual interest rate offered by your bank 3. Enter the tenure (months or years) 4. Select cumulative or non-cumulative 5. Click Calculate — see maturity amount and interest earned instantly

FD Calculator Formula & Calculation Method

**For Compound Interest FD (Cumulative):** A = P × (1 + R/n)^(n×T) Where: P=Principal, R=Annual rate (decimal), n=compounding frequency per year, T=time in years **For Simple Interest FD:** Maturity = P + (P × R × T / 100) Example: ₹1,00,000 at 7% for 2 years (quarterly compounding): A = 1,00,000 × (1 + 0.07/4)^(4×2) = ₹1,14,888

Practical Example with Step-by-Step Solution

**Example: SBI FD Calculation** Principal: ₹2,00,000 Interest Rate: 6.8% per annum Tenure: 3 years Compounding: Quarterly Maturity Amount = ₹2,00,000 × (1 + 0.068/4)^12 = **₹2,44,316** Interest Earned = ₹44,316

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Benefits of Using Our FD Calculator

✓ Instant FD maturity calculation ✓ Supports all compounding frequencies ✓ Compare different FD tenures side by side ✓ Free, no registration needed ✓ Works for all banks' FD schemes

Expert Tips & Best Practices

1. Compare FD rates across banks before investing 2. Laddering FDs (multiple short-term FDs) gives flexibility 3. Senior citizens get 0.25-0.5% extra interest rate 4. TDS is deducted if interest > ₹40,000/year (₹50,000 for seniors) 5. Use Form 15G/15H to avoid TDS if income is below taxable limit

Frequently Asked Questions (FAQ)

What is the FD formula?

Cumulative FD: A = P × (1 + R/n)^(nT). Non-cumulative: Interest = P × R × T / 100. Our calculator applies the correct formula automatically.

What is the best FD tenure?

1-3 year FDs often offer the best rates. For tax saving, 5-year FD is required. Senior citizens should check special rates across banks.

Is FD interest taxable?

Yes. FD interest is added to your income and taxed as per your slab. TDS is deducted at 10% if annual interest exceeds ₹40,000 (₹50,000 for senior citizens).

Difference between cumulative and non-cumulative FD?

Cumulative FD reinvests interest to compound — better for wealth building. Non-cumulative pays interest periodically — better for regular income.

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