Recurring Deposit (RD) Calculator

₹
₹500 ₹1 L
% p.a.
1% 15%
1 Yr 25 Yrs
Estimated Maturity Value
₹0
Total Principal Invested
₹0
Interest Earned
₹0
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RD Investment Specifications

Specification Details

What is a Recurring Deposit (RD)?

A **Recurring Deposit (RD)** is a popular and structured savings tool offered by banks and post offices in India. It is designed for individuals who want to save a fixed sum of money every month over a specific period while earning guaranteed interest rates comparable to Fixed Deposits.

Unlike FDs, which require a single lump-sum investment, RDs allow you to build wealth step-by-step. The interest rate remains locked throughout the tenure, protecting your deposits from future interest rate drops.

How RD Compounding Works: The IBA Mathematical Formula

In India, commercial banks compound Recurring Deposit interest **quarterly** using the guidelines set by the **Indian Banks' Association (IBA)**. Each monthly installment is treated as a separate deposit earning compound interest for the remaining months of the tenure.

The mathematical formula for the Maturity Value of an RD is the sum of the maturity values of each individual installment:

M = ∑ [ P × (1 + R / 400)(n - i + 1) / 3 ]

Where the summation runs from i = 1 to n, and:

  • M is the final Maturity Value of the Recurring Deposit.
  • P is the fixed Monthly Deposit amount.
  • R is the nominal annual rate of interest (e.g. 6.8% p.a.).
  • n is the total number of months in the RD tenure.
  • i represents the installment number (e.g. 1st installment, 2nd installment).
  • The exponent (n - i + 1) / 3 represents the number of quarters that the specific installment earns interest.

Standard RD Compounding Example

Suppose you open a monthly Recurring Deposit of ₹5,000 for a tenure of 5 years (60 months) at an interest rate of 6.8% per annum.

  • Monthly Deposit (P) = ₹5,000
  • Annual Interest (R) = 6.8%
  • Tenure (n) = 60 months
  • Total Principal Invested = ₹5,000 × 60 = ₹3,00,000

The bank calculates interest on each installment individually:

  • The 1st installment (i=1) earns interest for 60 months (20 quarters): 5,000 × (1 + 6.8/400)20 = ₹7,003.
  • The 2nd installment (i=2) earns interest for 59 months: 5,000 × (1 + 6.8/400)59/3 = ₹6,964.
  • The final 60th installment (i=60) earns interest for 1 month: 5,000 × (1 + 6.8/400)1/3 = ₹5,028.

Summing all 60 installments gives a total maturity value of **₹3,57,489**. The total interest earned is **₹57,489** on your ₹3,00,000 principal. The DigitalFino RD calculator performs these complex calculations instantly.

Tax Implications on Recurring Deposits (TDS)

RD interest tax laws are identical to those of Fixed Deposits:

  • Taxable Income: Interest earned on RDs is fully taxable under "Income from Other Sources" and must be declared in your annual Income Tax Return (ITR). It is taxed based on your personal income slabs.
  • Tax Deducted at Source (TDS): Banks will deduct TDS at **10%** if the total interest earned across all branches of a bank exceeds **₹40,000** in a financial year (limit is **₹50,000** for senior citizens).
  • Avoiding TDS: You can submit Form 15G (Form 15H for senior citizens) if your total yearly taxable income falls below the exemption threshold.

Frequently Asked Questions (FAQs)

If you miss a monthly installment, banks usually charge a nominal penalty (typically ₹1 to ₹2 per ₹100 of the deposit amount per month). If you miss consecutive installments, the bank may close the account and convert it to a regular savings account.
Yes. Post Office RDs have a fixed tenure of 5 years (60 months) and compound interest quarterly based on rates set by the Ministry of Finance. Bank RDs are more flexible, offering tenures from 6 months to 10 years.
Yes, banks allow premature closure of RDs. Similar to FDs, they typically apply a penalty of 0.5% to 1.0% on the applicable interest rate for the duration the deposit remained with the bank.
Yes, most banks allow you to take a loan or overdraft facility against your RD account. You can typically borrow up to 90% of the accumulated deposit value at an interest rate that is 1% to 2% higher than the RD rate.
No, Post Office RDs are exempt from TDS deductions at source. However, the interest earned is still taxable in your hands and must be declared in your annual Income Tax Return.