Recurring Deposit (RD) Calculator: Plan Your Monthly Savings
A Recurring Deposit (RD) is a highly popular and secure savings scheme offered by Indian banks and post offices. It allows you to deposit a fixed amount every month and earn an interest rate equivalent to a Fixed Deposit. Our Smart RD Calculator utilizes the exact banking formula (quarterly compounding) to help you accurately predict your maturity value and plan your financial goals effortlessly.
How Does a Recurring Deposit Work?
Unlike a Fixed Deposit where you invest a lump sum all at once, a Recurring Deposit allows you to save consistently on a monthly basis. The interest on your RD is calculated on each individual monthly deposit based on the remaining time until maturity. Because banks compound this interest every quarter (every 3 months), calculating the exact returns manually can be incredibly complex. Our tool automates this process using the standard iterative banking algorithm.
Why Choose an RD over an FD?
- No Large Capital Required: You can start an RD with as little as ₹500 or ₹1,000 per month, making it highly accessible for salaried individuals looking to build a corpus.
- Inculcates Saving Habits: Since a fixed amount is deducted automatically from your account each month, it enforces strict financial discipline.
- Locked-in Returns: The interest rate you secure when you open the RD is locked in for the entire tenure. You don't have to worry about fluctuating market rates affecting your existing deposits.
The RD Interest Formula
In India, banks use a fractional compounding formula to calculate the exact maturity value of a Recurring Deposit, based on quarterly compounding:
M = R × [ (1 + i)^n - 1 ] / [ 1 - (1 + i)^(-1/3) ]
- M: Maturity Value
- R: Monthly Installment
- i: Interest rate per quarter (Annual Rate / 400)
- n: Total tenure in quarters
Note: Our calculator uses an iterative monthly loop matching the exact algorithm banks use to process individual deposits, guaranteeing 100% precision.
Frequently Asked Questions (FAQs)
In India, RD interest is compounded quarterly. This means the interest is calculated every three months and added back to your principal amount. Because you deposit money monthly, the first deposit earns interest for the full tenure, the second deposit earns interest for the tenure minus one month, and so on. The final maturity value is the sum of all deposits plus their accumulated interest.
Yes. The interest earned on a Recurring Deposit is fully taxable under the head "Income from Other Sources." It is added to your total income and taxed according to your applicable slab rate. If your interest income exceeds ₹40,000 in a year (₹50,000 for senior citizens), the bank will deduct a 10% TDS (Tax Deducted at Source) automatically.
No. Once you commit to a standard RD, you cannot change the fixed monthly installment amount. If you miss a payment, the bank may charge a penalty. However, some banks offer a "Flexi RD" scheme that allows you to vary your monthly contribution up to a certain pre-defined limit.