Insights/Personal Finance

RD Calculator: How It Works, Formula and a Worked Example

Calculate maturity value of a Recurring Deposit. Here is the formula, a worked example, the mistakes to avoid, and a free calculator with a downloadable PDF report.

Abhishek sharma

17 Sep 20264 min read

RD Calculator: How It Works, Formula and a Worked Example

If you have landed here, you probably already have a rough figure in your head and want to confirm it. Good instinct. Rough figures are usually off by more than people expect, and the difference compounds. Here is how the calculation really runs, and how to check yours in under a minute.

Cover image slot — add a screenshot or illustration from Admin → Blog when it is ready.

Prefer to start with your own figures? Use the RD Calculator now, or continue for the formula and a worked example.

How this is worked out

Regular monthly savings with quarterly compounding interest.

The formula behind it:

Standard RD compounding formula
Symbol What it means
M Monthly Deposit

Nothing is rounded away quietly and nothing is assumed on your behalf. If a figure appears in the result, it came from something you entered.

A worked example you can follow

Saving ₹5,000 every month for 5 years.

Change any one input and watch the result move — that sensitivity is the real lesson. It is far more useful than memorising a single outcome, because your own rate, tenure or contribution will never match the example exactly.

Using the RD Calculator, step by step

  1. Open the RD Calculator.
  2. Enter your figures. Use the ones on your statement, sanction letter or scheme document rather than a remembered number.
  3. Read the result card — the headline figure plus the breakdown that produced it.
  4. Adjust one input at a time to see what genuinely moves the outcome.
  5. Tap Download PDF to keep a copy of the calculation, with your inputs and assumptions printed on it.

The PDF takes a few seconds to build because it is a properly typeset report, not a screenshot. You will see a progress message while it is being prepared, and the download starts on its own.

Practical pointers

  • Ideal for building short-term goal-based funds.
  • TDS is applicable on RD interest.

Common mistakes worth avoiding

  • Missing monthly payments can lead to penalties.

If you want to go a level deeper afterwards, read up on rd vs sip. Both come up the moment you start comparing options seriously.

Interactive calculator

Try the RD Calculator

Enter your own figures below. The same calculator and PDF report remain available on the focused calculator page.

For FY 2026-27 · India

The fixed amount deposited every month.

Your own input — check the rate your bank offers.

RD tenure in years.

Quick examples

Estimated maturity value₹3,59,664

Depositing ₹5,000/month for 5 years at 7% a year, compounded quarterly.

Y1Y5
Total depositedBalance at year end
What you are seeing: Deposits rise steadily to ₹3,00,000; with interest, the balance reaches ₹3,59,664.
Total deposited₹3,00,000
Interest earned₹59,664
Maturity value₹3,59,664

What each result means

Total deposited

What it is: Monthly deposit × number of months.

Your value: ₹3,00,000

Your own money.

Interest earned

What it is: Maturity value minus deposits.

Your value: ₹59,664

Growth at your assumed rate.

Maturity value

What it is: Deposits plus interest.

Your value: ₹3,59,664

The headline figure.

Year-by-year breakdown

RD Calculator year-by-year schedule
YearDeposited this year (₹)Total deposited (₹)Interest so far (₹)Balance at year end (₹)
1₹60,000₹60,000₹2,311₹62,311
2₹60,000₹1,20,000₹9,099₹1,29,099
3₹60,000₹1,80,000₹20,686₹2,00,686

How to read this: each row is one year. Each monthly deposit earns interest, compounded quarterly, until maturity. The highlighted row is your final year.

Showing the first 3 of 5 years. Want charts, formulas and the full schedule? Get the detailed PDF.

What this calculator does

A recurring deposit (RD) takes the same deposit every month. Indian banks usually compound RD interest quarterly; this calculator grows each deposit at the quarterly-compounded rate for the months it stays invested.

What your result means

The maturity value is what the numbers show at your chosen rate. Actual bank figures can differ by a few rupees because of each bank's rounding and day-count conventions.

Formula

1. Maturity of one RD instalment

M = Σ R × (1 + r ÷ 4)^(k ÷ 3), k = months remaining

Symbols

R
Monthly deposit (₹)
r
Annual rate (decimal)
k
Months each deposit stays invested

Why this formula works

Interest compounds quarterly, so a deposit held k months grows by (1 + r/4) raised to k/3 quarters. Adding every instalment gives the maturity value.

Unit check

₹ = ₹ × (pure ratio). ✓

Worked example

₹5,000/month, 7%, 5 years (60 deposits): M ≈ ₹3,59,664 by this method.

Common mistakes

Compounding monthly instead of quarterly. Treating the RD like a single lumpsum.

Working for your numbers

  1. Quarterly factor = 1 + 7 ÷ 400 = 1.017500
  2. Months = 60
  3. Sum of ₹5,000 × 1.017500^(k/3) for k = 1…60 = ₹3,59,664
  4. Interest = ₹3,59,664 − ₹3,00,000 = ₹59,664

Frequently asked questions

Is RD interest taxable?

Yes, at your slab rate, and TDS applies above the threshold. Figures here are pre-tax.

Is the rate on this page guaranteed?

No. The rate is your own input. Banks and markets set actual rates, and they can change. This page shows what the numbers give under your assumptions.

When should I talk to a professional instead?

Before a real borrowing or investment decision, check the lender's Key Facts Statement or speak to a qualified adviser. This page is educational and does not consider your full situation.

Symbols and assumptions

R
Monthly deposit (₹)
r
Annual rate (%)
n
Number of months
  • Deposits are made at the start of each month.
  • Interest compounds quarterly (fractional quarters use the same rate).
  • Does not account for income tax, TDS, fees or inflation.
  • Figures are in Indian Rupees (₹).

Sources and review

Reviewed 2026-09-29 · Next review 2027-09-29

  • Reserve Bank of India — Master Directions & Fair Practices Code for Lenders
  • DICGC — Deposit insurance (₹5 lakh per depositor per bank)
Not investment advice. VIA Capital is not a SEBI-registered investment adviser and this calculator does not recommend any fund, product or investment strategy. Market-linked investments are subject to market risk; assumed returns are not indicative of future results.
Important limitation. This is an educational estimate based solely on the values and formula shown. It is not financial, tax or investment advice. Actual returns will differ from any assumed rate. Verify with a qualified financial professional before making any investment decision.
FD CalculatorCompound InterestSimple InterestLumpsum CalculatorSIP Calculator
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What else you will find on VIA Capital

The calculator is one corner of a much bigger free toolkit. While you are here:

  • Explore 56+ financial calculators for investments, loans, tax, retirement, small-savings schemes and market maths in the VIA Capital calculator library.
  • PDF reports on every calculator, so a calculation you did today can be opened again in six months.
  • Practise decisions with virtual money in the VIA Trade Simulator, including charts, an option chain and an order book. No real trades are placed.
  • Read market breadth visually with the Nifty 50, Bank Nifty and Sensex heatmap.
  • Follow dates, price bands, subscription figures and listing history in the IPO Centre.
  • Continue with daily financial insights and explainers written in the same plain-English style.

New tools and sections go live regularly, and each one gets written up here the same way.

Questions people ask us

Is the RD Calculator free to use? Yes. Every calculator on VIA Capital is free, works without a login, and nothing you type is stored on our servers.

How accurate is it? The arithmetic is exact — it is the formula shown above, nothing hidden. Accuracy of the answer depends on your inputs. Rates, tenures and charges change, so use the figures from your own statement or sanction letter rather than a number you remember.

Can I save or share the result? You can download a formatted PDF report of your calculation and share it with your family, your CA or your bank. The download link sits right under the result.

Does it work on a phone? It does. The rd calculator is built mobile-first, which is how most people in India actually search for "rd".

Is this investment advice? No. VIA Capital is an education platform. We show you the maths and the assumptions; the decision, and the responsibility for it, stays with you. For anything personalised, speak to a SEBI-registered professional.

The short version

Calculate maturity value of a Recurring Deposit. The formula is public, the assumptions are printed on the page, and the calculation is yours to keep as a PDF.

👉 Run your own numbers in the RD Calculator

VIA Capital publishes financial education only. Nothing here is investment advice or a personalised recommendation, and no calculator output should be treated as a promise of returns.

Educational content only. Educational content only. Not investment advice or a personalised recommendation.

Written by

Abhishek sharma

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