Use this recurring deposit (RD) calculator to estimate your maturity amount, total investment, and total interest earned. Enter your monthly deposit, interest rate, and tenure, then click Calculate.
What is a Recurring Deposit (RD)?
A recurring deposit is a savings product where you invest a fixed amount every month for a chosen period and earn interest on it. It is popular among people who want disciplined savings with predictable returns. Instead of investing a lump sum at once, you build your corpus gradually.
RDs are commonly offered by banks and post offices. The interest rate is usually fixed when you open the account, and your maturity value is known upfront with a calculator like this one. For conservative savers, this can be a straightforward way to create a fund for education, travel, emergencies, or planned purchases.
How this RD calculator works
This tool estimates your maturity value using a future-value annuity approach. Since deposits are made monthly, the calculator converts the selected annual compounding convention into an effective monthly rate for consistency.
- Monthly Deposit: The amount you invest every month.
- Annual Interest Rate: The rate offered by your bank/post office.
- Tenure: Total investment period in years and months.
- Compounding: Monthly, quarterly, half-yearly, or yearly.
- Installment Timing: End-of-month or beginning-of-month deposits.
The result section shows total amount invested, estimated maturity amount, and total interest earned. It also shows a year-wise growth schedule so you can visualize progress.
RD formula (conceptual)
Step 1: Convert annual rate to effective monthly rate
If nominal annual rate is r and compounding frequency per year is m, effective annual rate is:
Effective Annual Rate = (1 + r/m)m - 1
Then monthly equivalent rate is:
Monthly Rate = (1 + Effective Annual Rate)1/12 - 1
Step 2: Future value of monthly installments
For monthly deposit P, monthly rate i, and months n:
FV = P × [((1 + i)n - 1) / i] (for end-of-month deposits)
If deposits are made at the beginning of each month, multiply by (1 + i).
Why people use an RD calculator
- To plan goal-based savings with clear maturity estimates.
- To compare tenures (for example 3 years vs 5 years).
- To test different monthly deposits and rates quickly.
- To understand how compounding and tenure impact final value.
Example: Quick RD projection
Suppose you deposit ₹5,000 per month at 7.5% annual interest for 5 years with quarterly compounding. Your total investment would be ₹3,00,000. Because each installment earns interest for a different duration, your maturity amount may be significantly higher than principal, and the difference is your interest earned.
Try changing the tenure from 5 years to 7 years in the calculator. You will notice that the maturity growth is not linear—longer tenure gives compounding more time to work.
RD vs FD vs SIP: where does RD fit?
RD (Recurring Deposit)
- Fixed monthly investment
- Fixed/known return (subject to institution terms)
- Lower risk, good for disciplined savers
FD (Fixed Deposit)
- Lump-sum investment at one time
- Fixed return for selected tenure
- Suitable when you already have a large amount
SIP in mutual funds
- Market-linked monthly investing
- Returns are not guaranteed
- Higher long-term growth potential with higher risk
Tips to maximize RD benefits
- Start early: More time can improve compounding outcomes.
- Avoid missed installments: Irregularity may reduce effective returns and may attract penalties.
- Compare rates: Even small rate differences matter over long periods.
- Choose tenure based on goal date: Align maturity with your expense timeline.
- Reinvest maturity smartly: Consider laddering into FD/RD/SIP based on your risk profile.
Important notes and assumptions
This calculator gives an estimate. Actual maturity can vary by institution due to specific interest calculation methods, day-count conventions, penalty rules, tax treatment, and rounding policy. Always verify exact terms with your bank or post office.
Also remember that interest earned on RD is taxable as per your applicable income tax slab and prevailing regulations. If tax is deducted at source or payable at filing time, your net post-tax return will be lower than gross maturity shown here.
Frequently asked questions
1) Is RD better than a savings account?
For goal-based savings, RD usually offers a higher interest rate and better discipline than a regular savings account.
2) Can I close an RD early?
Many institutions allow premature closure, but reduced interest and penalties may apply.
3) What is the minimum tenure for RD?
It depends on the provider. Many offer tenures from 6 months onward.
4) Is the maturity amount guaranteed?
If the institution has fixed RD terms and you make all installments on time, the maturity estimate is generally predictable.
Final takeaway
A recurring deposit is a practical way to build wealth steadily without taking market risk. Use this RD deposit calculator to test multiple scenarios, set realistic goals, and create a monthly savings habit you can maintain for years.