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Understanding Recurring Deposits
A Recurring Deposit (RD) is a systematic savings instrument offered by banks, post offices, and financial institutions. It allows you to invest a fixed amount every month for a predetermined tenure, earning compound interest at a fixed rate. Unlike lump-sum investments, RDs cultivate financial discipline and are ideal for salaried individuals, students, and anyone aiming to build a corpus through regular savings.
Real-World Use Cases for RD (2026)
Case 1: Building an Emergency Fund
Scenario: Priya, a 28-year-old software engineer, wants to build a ₹3 lakh emergency fund over 4 years. She opts for a bank RD with a monthly deposit of ₹6,000 at 7% p.a.
Calculation: Using our calculator, her maturity value after 48 months would be approximately ₹3,22,560, earning ₹34,560 in interest. This provides a risk-free, accessible corpus for unforeseen expenses.
Case 2: Saving for a Child's Education
Scenario: The Sharma family starts a 10-year RD when their child is 8, saving ₹10,000 monthly at 6.8% p.a. for future college fees.
Calculation: At maturity, they will have invested ₹12 lakhs. With compound interest, the maturity amount will be approximately ₹17,24,000, generating over ₹5 lakhs in interest, helping counter education inflation.
Case 3: Planning for a Wedding or Down Payment
Scenario: Rohan plans to marry in 3 years. He starts an RD with ₹15,000/month at 6.5% p.a.
Calculation: Total investment: ₹5,40,000. Estimated maturity: ₹5,97,800. The guaranteed returns of an RD make it superior to volatile market options for such short-term, crucial goals.
The RD Formula Explained
The maturity value of an RD is calculated using the future value of a series formula, as interest is compounded quarterly in most banks. Here's the breakdown:
Where:
• R = Monthly installment amount
• i = Quarterly interest rate = (Annual Rate / 4) / 100
• n = Number of quarters = (Tenure in months / 3)
• 1/3 in the denominator accounts for the monthly deposit adjustment for quarterly compounding.
Example Calculation: For ₹5,000/month, 6.5% p.a., 1-year tenure:
Quarterly rate (i) = (6.5/4)/100 = 0.01625. Quarters (n) = 12/3 = 4.
M = 5000 × [ {(1.01625)^4 - 1} / (1 - (1.01625)^(-1/3)) ] ≈ ₹62,412 (Total Interest: ₹2,412).
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