What is this Calculator?
A Recurring Deposit (RD) is a popular term deposit service offered by Indian banks and post offices. It allows you to save a fixed amount of money monthly over a predefined tenure (ranging from 6 months to 10 years) while earning interest rates comparable to Fixed Deposits. FDs require a lump sum payment, whereas RDs allow retail savers with monthly salaries to build up a lump sum corpus gradually. RD interest is compounded quarterly, providing guaranteed, market-risk-free returns.
How the Calculation Works
We use a layered approach to explain the mathematics behind our calculations: human-friendly details first, followed by a real-world example, and the advanced formula for math transparency.
1. Plain English Explanation
A Recurring Deposit (RD) allows you to invest a fixed sum monthly. Unlike an FD where the entire sum earns interest from day one, each monthly RD installment earns interest for a decreasing period (installment 1 earns for 12 months, installment 2 for 11 months, etc.). In India, interest is compounded quarterly.
2. Worked Real-World Example
Suppose you start a monthly Recurring Deposit of ₹5,000 with a bank interest rate of 6.5% for a period of 3 years (36 months).
- Monthly Deposit (P): ₹5,000
- Interest Rate: 6.5% per year
- Duration: 3 years (36 months)
- Total Invested Capital: ₹1,80,000
- Total Interest Earned: ₹18,905
- Total Maturity Value (M): ₹1,98,905
3. Show Advanced Mathematical Formula
In Indian banking, RD maturity is calculated using the formula for the sum of quarterly compounded monthly deposits:
$$M = P \times \frac{(1 + i)^n - 1}{1 - (1 + i)^{-1/3}}$$
Where:
- M: Maturity value of the RD
- P: Monthly installment amount
- i: Quarterly interest rate, calculated as $\text{Annual Rate} / 4 / 100$
- n: Number of compounding quarters (Number of Quarters = $\text{Months} / 3$)
How to Use the Calculator
To calculate your RD maturity returns:
1. Adjust the Monthly Deposit slider to set the amount you wish to save each month.
2. Adjust the Rate of Interest slider to the annual interest rate offered by your bank (typically 6.5% to 7.5%).
3. Adjust the Time Period slider to set the deposit tenure in years (typically 1 to 10 years).
4. View the maturity value, principal invested, and interest earned immediately in the visual results dashboard.
Advantages & Benefits
- Encourages Savings Habits: Allows individuals to save a fixed portion of their monthly paycheck regularly, building financial discipline.
- No Market Risks: RDs provide assured returns that are locked in at the time of opening and completely insulated from stock market fluctuations.
- Guaranteed Returns: Comparable to fixed deposits, making them highly attractive for short-term and medium-term conservative goals.
Assumptions & Limitations
- Interest is Taxable: RD interest is added to your income and taxed according to your applicable slab rate, reducing the net yield.
- Fixed Installment Size: Once opened, the monthly installment amount cannot be increased or decreased during the tenure.
- No Prepayments: Missing a monthly payment may attract minor penal interest or cause the bank to terminate the RD mandate.
Frequently Asked Questions
What is the minimum tenure for opening a Recurring Deposit?
Most banks in India permit RDs with a minimum tenure of 6 months. The maximum tenure is typically 10 years.
How is interest compounded in a Recurring Deposit?
Recurring deposit interest is compounded quarterly (every three months) by Indian banks, which is the same frequency used for Fixed Deposits.
Are Recurring Deposit interest returns taxable in India?
Yes. RD interest is fully taxable. It is added to your total income and taxed at your applicable tax slab rate. Banks also deduct TDS (Tax Deducted at Source) at 10% if the total interest across all FDs/RDs in a bank exceeds ₹40,000 (₹50,000 for senior citizens) in a year.
Can I skip a monthly installment in my RD?
If you miss an installment deadline, banks will charge a small penalty fee (usually ₹1 to ₹2 per ₹100 of installment amount per month). If you miss payments for three to six consecutive months, the bank may close the account and return the principal with reduced interest.
Do senior citizens get extra interest on Recurring Deposits?
Yes. Banks offer senior citizens an additional interest rate of 0.50% on recurring deposits, matching the policy for fixed deposits.
What happens if I withdraw my RD prematurely?
You can close your RD prematurely. The bank will calculate interest for the period the deposit actually remained with them, minus a premature closure penalty (usually 0.5% to 1%).
Can I change the date of my monthly RD installment?
No. The installment date is fixed at the time of opening the account (usually the date the account was created or your chosen auto-debit date) and cannot be changed.
What is a Post Office Recurring Deposit?
A Post Office RD is a government-backed savings scheme with a fixed tenure of 5 years. It offers attractive interest rates set by the Government of India quarterly and carries zero default risk.
Can I take a loan against my Recurring Deposit?
Yes. Most banks permit you to take a loan or overdraft of up to 90% of the accumulated balance in your RD account at a slightly higher interest rate than the RD rate.
Which is better: RD or SIP?
RD is better for short-term goals (<3 years) where capital safety is critical. SIP (in equity mutual funds) is better for long-term goals (>5 years) as it offers much higher inflation-beating returns, though it carries market risk.