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Recurring deposits (RD) Calculator

Use this easy Recurring deposits RD calculator to understand how your investment will grow over time,adjusted for inflation.

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RD Calculator — Calculate Recurring Deposit Maturity With Inflation Adjustment

A Recurring Deposit is one of the simplest and most accessible savings tools available to Indian investors. You commit to depositing a fixed amount every month for a set tenure, and at maturity you receive your total deposits plus compound interest. The structure is low-risk, predictable, and demands no market knowledge. But there's one thing most RD calculators don't show you: what that maturity amount is actually worth after inflation. This RD Calculator fills that gap — giving you both the nominal maturity value and the inflation-adjusted real value, so you can plan with complete clarity.

Enter your monthly deposit amount, the annual interest rate offered by your bank or post office, your chosen tenure, and optionally your expected inflation rate. The calculator instantly shows total invested, interest earned, maturity amount, and how much that corpus will be worth in today's purchasing power.

How a Recurring Deposit Works

An RD is a term deposit product where you make monthly instalments instead of one lump sum (which is how an FD works). Each instalment earns interest from the date it's deposited until maturity. The interest is compounded quarterly by Indian banks — matching the standard FD compounding convention — and the full maturity amount (principal + interest) is paid at the end of the tenure.

The Post Office Recurring Deposit (PORD), offered through India Post, works similarly but has a fixed 5-year tenure and currently offers around 6.7% p.a., compounded quarterly. Post Office RDs are backed by the Government of India and carry sovereign guarantee — making them extremely safe for risk-averse savers.

Bank RDs are covered by DICGC insurance up to ₹5 lakh per depositor per bank (principal + interest combined). Interest rates on bank RDs vary by bank and tenure — typically 6–7.5% for most scheduled banks, with Small Finance Banks offering 7.5–9% for certain tenures.

The RD Maturity Formula

The standard formula for RD maturity used by Indian banks (quarterly compounding) is:

M = P × [(1 + r/4)4n − 1] ÷ [1 − (1 + r/4)−1/3]

Where:

  • M = Maturity amount
  • P = Monthly instalment amount
  • r = Annual interest rate in decimal (e.g., 6.5% = 0.065)
  • n = Tenure in years

Example: ₹5,000/month for 3 years at 6.5% p.a. compounded quarterly. Total invested = ₹1,80,000. Using the formula, maturity amount ≈ ₹2,00,193. Interest earned ≈ ₹20,193.

The inflation-adjusted real value = M ÷ (1 + inflation rate)n. At 6% inflation over 3 years: ₹2,00,193 ÷ (1.06)3 ≈ ₹1,68,100 in today's purchasing power. Your real return is slightly negative — meaning the RD barely keeps pace with inflation at this rate. This insight is what makes the inflation toggle valuable.

RD vs FD vs SIP — Which Is Right for You?

RD vs FD: Both offer fixed, guaranteed returns and are safe. The key difference is cash flow: FDs require a lump sum upfront; RDs require small monthly deposits. If you have a lump sum available, an FD at the same interest rate will yield more because the entire principal starts compounding immediately. If you're saving from monthly income, an RD is the natural fit.

RD vs SIP: A SIP invests monthly instalments into mutual funds and is market-linked — expected returns are higher (10–14% for equity funds) but not guaranteed. An RD offers guaranteed returns at a fixed rate with no market risk. For risk-averse savers or those with a short savings horizon (1–3 years), RDs are more appropriate. For long-term wealth creation (5+ years) where you can tolerate market volatility, equity SIPs have delivered significantly better inflation-adjusted returns historically.

When to use an RD: RDs are ideal for specific, time-bound savings goals — a holiday next year, a car down payment in 2 years, a child's school fee in 3 years. The fixed maturity date and guaranteed maturity amount make planning straightforward. They are also useful as a disciplined savings mechanism for individuals who tend to spend surplus monthly income instead of saving it.

How Inflation Erodes RD Returns

An RD at 6.5% sounds attractive — but if inflation is running at 6%, your real return is only about 0.47% per year (using the precise formula: Real Return = (1 + nominal rate) ÷ (1 + inflation rate) − 1). This near-zero real return means your money is barely maintaining purchasing power, not growing it.

This is why long-term financial planning should not rely on RDs alone. They are excellent for short-term goals and capital preservation, but for goals 5–10 years away, a combination of RD (for stability) and equity SIP (for growth) tends to produce better inflation-adjusted outcomes.

Use this calculator's inflation adjustment to stress-test your RD plan. If the real value falls short of your goal amount in today's money, you know to either increase your monthly deposit, extend tenure, or supplement with a higher-return instrument.

Tax on RD Interest

RD interest is fully taxable as "Income from Other Sources" and is taxed at your applicable income slab rate. Banks deduct TDS at 10% if the total interest from that bank's deposits (FD + RD combined) exceeds ₹40,000 per financial year (₹50,000 for senior citizens). If your income is below the taxable limit, file Form 15G (or 15H for senior citizens) annually to avoid TDS deduction.

Post Office RDs are also taxable, but Tax Deducted at Source (TDS) is not applicable on Post Office interest — the onus of declaration falls on the investor's annual ITR filing.

Frequently Asked Questions About RD

Most banks allow a grace period of a few days for RD instalments. If you miss a payment, a penalty is charged — typically ₹1–2 per ₹100 per month for the delayed instalment. Repeated defaults may lead to the RD being closed prematurely. Post Office RDs allow up to 4 missed instalments — if you miss more, the account becomes irregular and may not earn interest at the full rate.
Yes, most banks allow premature closure of an RD after a minimum period (usually 3–6 months of operation). Interest is paid at the rate applicable for the actual holding period, minus a penalty of 0.5–1% p.a. Post Office RDs allow premature closure after 3 years, at the savings account rate of interest.
Post Office RDs are backed by the Government of India and carry sovereign guarantee with no upper deposit limit on protection. Bank RDs are covered by DICGC insurance up to ₹5 lakh per depositor per bank. For deposits above ₹5 lakh in a single bank, the Post Office or spreading deposits across multiple banks is safer from a credit risk perspective.
Yes. Banks typically offer a loan or overdraft of up to 80–90% of the RD's current value at 1–2% above the RD interest rate. This provides emergency liquidity without breaking the RD and losing accrued interest. Post Office RDs also allow loans after 1 year of operation, up to 50% of the balance.
Bank RDs typically start at ₹500–₹1,000 per month with no upper limit. Post Office RDs start at ₹100 per month with no maximum. There is no maximum on the number of RD accounts you can hold in banks, and the Post Office allows multiple RDs in your name or as joint accounts.
Standard RDs (bank or post office) do not qualify for any tax deduction under Section 80C or other provisions. Only 5-year tax-saving FDs (not RDs) qualify for 80C deduction. The interest earned on RDs is fully taxable as per your income slab. If tax efficiency is important, consider ELSS mutual funds or PPF for the tax-saving component of your portfolio.
The inflation-adjusted value is calculated by discounting the nominal maturity amount back to present value using the formula: Real Value = Maturity Amount ÷ (1 + inflation rate)tenure in years. This tells you what your maturity amount will be worth in today's money — accounting for the reduction in purchasing power caused by inflation over the investment period.