RD Calculator India — Recurring Deposit Calculator 2026
Calculate your Recurring Deposit maturity value with quarterly compounding, compare RD vs SIP returns side-by-side, and see the exact tax impact on your RD interest. Updated for FY 2025-26 with latest SBI, HDFC, and Post Office RD rates.
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How to Use This Calculator
RD Maturity tab
Enter your monthly RD deposit, interest rate, and tenure. The calculator shows your total amount deposited, interest earned with quarterly compounding, and the maturity value. Toggle the senior citizen option to automatically add the 0.50% bonus rate offered by most banks.
RD vs SIP tab
Enter the same monthly amount for both instruments. The calculator compares a guaranteed RD return (e.g. 7%) against a market-linked SIP return (e.g. 12%). See the side-by-side maturity values, the difference, and the opportunity cost of choosing RD over SIP. Use this to decide the right mix for your risk profile.
Tax on RD tab
Enter your total RD interest earned and select your income tax slab. The calculator computes your tax payable, checks whether TDS applies (above ₹40,000 for general citizens, ₹50,000 for seniors), and shows your effective post-tax return. Useful for understanding the real yield of your RD after tax.
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The Formula
Recurring Deposit interest is compounded quarterly. Since you deposit monthly but compounding happens every quarter, the calculation sums the future value of each monthly instalment:
M = R × [(1 + i)n − 1] / [1 − (1 + i)−1/3]
Where:
R = Monthly deposit amount
i = Quarterly interest rate (annual rate / 400)
n = Number of quarters (tenure in years × 4)
M = Maturity value
Simplified per-instalment method:
Each monthly deposit of ₹R earns compound interest for the remaining quarters, plus simple interest for any partial quarter. The maturity value is the sum of all such future values.
Post-tax effective return:
Effective Rate = RD Rate × (1 − Tax Slab Rate)
Example: 7% RD at 30% slab → 7% × (1 − 0.30) = 4.90% effective
Banks calculate interest from the date of each monthly instalment, compounded at the end of each calendar quarter (March, June, September, December). The total maturity amount is the sum of all deposits plus accumulated compound interest.
Example
Rahul — Pune IT professional, ₹10,000/month RD for 5 years
Rahul is 32, works at a software company in Pune, and wants to save ₹10,000/month in a bank RD at 7% for a down payment on a flat. He also wants to understand how much more he could earn via SIP and what tax he will owe on the interest.
Step 1: RD Maturity calculation
Step 2: RD Result
Step 3: RD vs SIP comparison
Step 4: Tax on RD interest
Rahul's ₹10,000/month RD at 7% grows to ~₹7.16 lakh in 5 years. A SIP at 12% would yield ~₹8.25 lakh but with market risk. After 30% tax, his effective RD return drops to 4.9% — he may consider mixing RD with PPF (tax-free) and SIP for better overall returns.