🐖 RD Calculator

Calculate how your regular deposits grow over time — also known as Recurring Deposit (RD) in India

💼 Savings Details
$
Typical rates: US 4–5% · UK 3–4% · EU 2–3% · India 6.5–7.5% · Brazil 10–12%
📈 Results
Maturity Amount
Total Invested
Interest Earned
Investment vs Returns
Savings Growth
🐖

Enter Your Savings Details

Set your deposit amount, interest rate, and tenure to calculate the maturity value.

Guide

What Is the RD Calculator?

Last updated: July 2026 · Reviewed by the NeftCal editorial team

An RD calculator projects the maturity value of a Recurring Deposit (RD) — a bank savings product where you commit to depositing a fixed amount at regular intervals (weekly, bi-weekly, or monthly) in exchange for a guaranteed interest rate. Unlike an FD, where you deposit a lump sum once, an RD builds up through disciplined periodic installments, making it the go-to tool for savers who don't have a large amount on hand today but can commit a fixed sum every period. This RD maturity calculator and RD interest calculator supports 8 currencies (USD, EUR, GBP, AUD, CAD, SGD, JPY, INR), with content built primarily around Indian RD conventions.

You enter your installment amount, deposit frequency, annual interest rate, compounding frequency, and tenure, and the calculator applies the recurring deposit annuity formula, M = P × q × (qᴺ − 1) ÷ (q − 1), which accounts for the fact that every installment compounds for a different length of time depending on when it was deposited — the first installment earns interest for the whole tenure, the last installment for barely any time at all.

Who Should Use This Calculator

This tool suits salaried savers building an emergency fund from monthly income, anyone saving toward a specific short-term goal without a lump sum ready, and savers comparing an RD against a lump-sum alternative like an FD once they do have money to deposit all at once.

Why It Matters for Financial Planning

An RD's real strength isn't the interest rate — it's the discipline it enforces. Committing to a fixed installment every week or month builds a savings habit that a one-time lump-sum deposit doesn't, and because the rate is locked in and guaranteed, you know in advance exactly what your money will be worth at maturity. Understanding how deposit frequency and compounding frequency interact — since each installment starts compounding from a different date — helps you set a realistic target and choose the right combination of installment size and tenure to reach it.

Common Scenarios

  • Building toward a lump sum you'll later move into an FD or CD once you have enough saved
  • Comparing a bank RD against a Post Office Recurring Deposit before opening an account
  • Saving toward a down payment, wedding, or planned purchase 1–5 years out
  • Testing whether weekly vs. monthly installments meaningfully change your maturity value
  • Estimating how a senior citizen RD rate bump changes retirement-income planning

Tips for Accurate Results

  • Match the Compounding Frequency dropdown to your bank's actual method — quarterly compounding is standard for most Indian bank RDs
  • Remember more frequent installments (weekly vs. monthly) slightly improve total returns since money compounds sooner, though the difference is usually modest
  • RD interest is generally taxable and may be subject to TDS above certain thresholds — this calculator shows gross returns before tax
  • If comparing accounts across countries, switch currencies to run the same installment amount and tenure through each of the 8 supported currencies for a fair comparison
  • Double-check whether your bank compounds RD interest quarterly (most common in India) or uses a simpler simple-interest method (some Post Office RDs) before comparing figures
Formula

How RD (Recurring Deposit) Maturity Is Calculated

Compounding frequency varies by bank and country — select your bank's method above

RD Maturity Formula (Recurring Deposit Annuity Formula)
M = P × q × (qN − 1) / (q − 1)

where q = (1 + r/c)c/f  —  growth factor per installment period

P = RD installment per period  |  N = total installments  |  r = annual rate (decimal)
c = compounding frequency/year  |  f = installment frequency/year

⚙️ Why This Formula Works

Each RD installment is really its own mini-deposit that compounds for a different length of time — the first installment compounds for nearly the full tenure, the last for almost none of it. The formula sums up this whole series of differently-aged deposits using the geometric-series identity q + q² + ... + qᴺ = q(qᴺ−1)/(q−1), where q is the per-installment-period growth factor. Multiplying by the installment amount P gives the total maturity value across every installment at once.

🎯 When to Use This Formula

  • Projecting the maturity value of a bank or Post Office recurring deposit
  • Comparing RD offers that quote different compounding or installment frequencies
  • Deciding how much to deposit each period to hit a specific savings target
  • Sanity-checking a bank's RD passbook or maturity advice

📋 Assumptions

  • Every installment is the same fixed amount, deposited on schedule with no missed payments
  • The interest rate stays fixed for the entire tenure — no mid-term rate resets
  • The first installment is deposited at the start of period 1 (standard RD convention)
  • No fees, penalties, or partial withdrawals during the tenure

⚠️ Limitations of the Formula

  • Doesn't model missed or delayed installments and their penalty impact
  • Doesn't apply actual TDS mechanics — shows gross returns before tax
  • Doesn't account for premature-closure interest-rate reductions
  • Assumes one consistent compounding frequency for the full tenure
Walkthrough

Step-by-Step: How to Use the RD Calculator

From currency to maturity value in under a minute

Choose your currency

Select from 8 supported currencies — this sets a sensible default installment amount and typical rate for that market, around 6.5–7.5% for INR.

Pick your deposit frequency

Choose weekly, bi-weekly, or monthly installments to match how you plan to save — monthly is the standard RD structure at most banks.

Enter your installment amount and interest rate

Input the fixed amount you'll deposit each period and the annual interest rate your bank offers.

Choose the compounding frequency

Select daily, monthly, quarterly, or annual compounding to match your bank's actual RD terms — quarterly is most common in India.

Set the tenure and review your results

Enter the tenure in months or years, then click Calculate Maturity to see your maturity amount, total invested, and interest earned, plus a growth chart.

Example

Worked Example

A realistic INR recurring deposit calculation, step by step

Scenario

Suppose you deposit ₹5,000 every month into an RD at 6.5% annual interest, compounded quarterly, for a 24-month tenure — this calculator's own INR defaults.

Installment (P)₹5,000/month
Annual Rate (r)6.5%
Compounding (c)Quarterly (4)
Deposit Freq (f)Monthly (12)
Tenure24 months
Installments (N)24
Step 1 — Growth factor per installment period: q = (1 + 0.065/4)^(4/12) = (1.01625)^0.3333 ≈ 1.005388.
Step 2 — Apply the maturity formula: M = P × q × (q²⁴ − 1) ÷ (q − 1) = 5,000 × 1.005388 × (1.005388²⁴ − 1) ÷ 0.005388 ≈ ₹1,28,425.
Step 3 — Total invested and interest: Total invested = 5,000 × 24 = ₹1,20,000. Interest earned = 1,28,425 − 1,20,000 ≈ ₹8,425.
Maturity Amount
₹1,28,425
Total Invested
₹1,20,000
Interest Earned
₹8,425

Explanation: Interest earned (₹8,425) is a much smaller share of the total than on a comparable lump-sum FD, because most of the ₹1,20,000 invested was only deposited recently — the last few installments barely have time to compound before maturity. This is the defining trade-off of an RD: it trades some compounding efficiency for the ability to save without needing the full amount upfront.

Interpretation

Understanding Your Results

What your interest-to-invested ratio actually tells you

A quick way to gauge an RD's efficiency is the interest-to-invested ratio — interest earned divided by total amount invested. Because installments arrive gradually, this ratio is always lower than the nominal annual rate might suggest, and it drops further for shorter tenures.

Interest-to-Invested RatioGeneral ReadTypical Context
10%+Strong return for the tenureLonger tenures (5+ years) at competitive rates
4% – 10%Typical range1–3 year RDs at moderate rates (India ~6.5–7.5%)
Under 4%Modest return — expected for short tenures6–12 month RDs, where little time exists to compound

For short-term savers: a lower interest-to-invested ratio on a 6–12 month RD isn't a red flag — it's mathematically expected, since most installments barely have time to earn interest before maturity. The main value is the savings discipline, not the yield.

For long-term savers: if you're committing to a 3–5 year tenure and the ratio still looks thin, compare against a lump-sum FD funded incrementally, or a market-linked SIP if your risk tolerance allows — both can outperform an RD's return once you already have savings to redeploy.

Risk considerations: this calculator assumes every installment is made on time for the full tenure. Missed installments, premature closure, and TDS deductions all reduce the actual amount you receive versus this projection. Use the result as a planning estimate, not a guaranteed payout.

ℹ️

This tool provides general financial estimates for educational purposes only and does not constitute personalized financial or tax advice. RD rates, tax rules, and penalty terms vary by bank and country — confirm final figures with your bank or a licensed financial advisor before opening an account.

Use Cases

Practical Use Cases for the RD Calculator

Where this RD calculator earns its keep

🆘

Emergency fund building

Build an emergency cushion gradually through disciplined monthly installments.

🎯

Short-term goal saving

Save toward a wedding, vacation, or gadget purchase 6 months to 3 years out.

💰

Building toward a lump sum

Accumulate enough through an RD to later move into a lump-sum FD or CD.

🏤

RD vs Post Office RD comparison

Compare a bank RD's maturity value against a Post Office Recurring Deposit.

👴

Senior citizen savings planning

Model a senior-citizen RD rate for predictable, disciplined retirement savings.

📆

Frequency comparison

Compare weekly vs. bi-weekly vs. monthly installments to see the effect on maturity value.

🎓

Education fund building

Save gradually toward tuition, exam fees, or a child's education expenses.

🏠

Down payment savings

Build a home or vehicle down payment through consistent monthly deposits.

📊

Rate-shopping across banks

See how a 0.5–1% rate difference between banks changes your maturity value.

💱

Cross-border comparisons

Compare RD-equivalent savings plans across 8 currencies for relocation or remote-work planning.

Pros & Cons

Advantages and Limitations

What this RD calculator does well, and where it can't replace professional advice

✅ Advantages

  • Uses the exact recurring-deposit annuity formula banks apply internally
  • Free, instant, and requires no signup or personal information
  • Runs entirely in your browser — your financial data is never sent to a server
  • Supports 8 currencies for cross-border comparisons
  • 3 installment frequencies (weekly, bi-weekly, monthly) and 4 compounding frequencies
  • Tenure entry in months or years for flexible planning
  • Visual charts (investment vs. returns, growth over time) for quick interpretation
  • Downloadable plain-text summary of your results
  • Works for a quick sanity check or detailed rate-shopping across banks
  • Mobile-friendly, fast-loading, no ads blocking the calculator itself

⚠️ Limitations

  • Assumes every installment is made on schedule with no missed payments
  • Doesn't model premature-closure interest-rate penalties
  • Doesn't apply exact TDS deduction rules — shows gross returns before tax
  • Doesn't support flexible/variable installment amounts mid-tenure
  • Results are estimates — actual bank figures may differ slightly due to rounding conventions
  • Not a substitute for a bank's official maturity advice or licensed financial advice
Reference

Deposit Products Compared

How an RD stacks up against FD, CD, and Post Office schemes

FeatureRD (Recurring Deposit)FD (Fixed Deposit)CD (Certificate of Deposit)Post Office RD/NSC
Deposit styleFixed installments (weekly/monthly)One lump sum upfrontOne lump sum upfrontFixed monthly installments (RD) or lump sum (NSC)
Typical minimum₹100–500/month₹1,000–5,000$500–$1,000₹100/month (RD)
Best forSavers without a lump sum on handA lump sum you already haveUS-based savers wanting a locked rateSovereign-backed, disciplined savers
Interest efficiencyLower — most installments compound brieflyHigher — full principal compounds from day oneHigher — full principal compounds from day oneSimilar to bank RD
Backed byBank (DICGC insured up to ₹5L)Bank (DICGC insured up to ₹5L)Bank (FDIC insured up to $250K)Government of India (sovereign)

Common Mistakes and Expert Tips

❌ Common Mistakes

  • Expecting an RD's total interest to match a lump-sum FD at the same rate and tenure — it won't, since installments compound for less time on average
  • Missing installments and triggering a penalty fee or reduced payout
  • Forgetting RD interest is taxable even though no TDS may be visibly deducted each month
  • Comparing RD offers by nominal rate alone instead of by projected maturity value
  • Assuming weekly installments dramatically beat monthly — the difference is usually small

💡 Expert Tips & Best Practices

  • Automate the installment via standing instruction so you never miss a due date
  • Compare RD rates across banks, including small finance banks, which often pay more
  • Use this calculator to size the installment amount needed to hit a specific target by a target date
  • Consider laddering multiple RDs with staggered start dates for more frequent maturities
  • Once you've built up savings via RD, compare redeploying the maturity amount into an FD for better compounding efficiency
FAQ

Frequently Asked Questions

Common questions about RD (Recurring Deposit) accounts

What is an RD (Recurring Deposit)?
An RD is a bank deposit product where you commit to depositing a fixed installment amount at set intervals — typically monthly — for a fixed tenure, in exchange for a guaranteed, pre-agreed interest rate. The interest compounds over the tenure, so you earn interest on your interest. RD is the standard term in India; equivalent products exist elsewhere under names like a standing order savings plan (UK) or automatic savings plan (US/Canada). Minimum tenure and available rates vary by bank and country.
How is RD maturity value calculated?
NeftCal uses the recurring deposit annuity formula, M = P × q × (qᴺ − 1) ÷ (q − 1), where q = (1 + r/c)^(c/f) is the growth factor per installment period, P is the installment amount, N is the total number of installments, r is the annual rate, c is the compounding frequency per year, and f is the deposit frequency per year. This accounts for each installment compounding for a different length of time depending on when it was deposited.
What compounding frequencies does this RD calculator support?
You can choose daily, monthly, quarterly, or annual compounding. Maturity value is calculated using q = (1 + r/c)^(c/f), where r is the annual interest rate, c is the compounding frequency per year, and f is the installment frequency per year.
What's the difference between weekly, bi-weekly, and monthly RD installments?
These control how often you deposit into the recurring deposit — every week, every two weeks (bi-weekly), or once a month. More frequent installments (weekly vs monthly) slightly improve overall returns since money is deposited sooner and compounds for longer.
Which currencies does this RD calculator support?
The calculator supports 8 currencies: USD, EUR, GBP, AUD, CAD, SGD, JPY, and INR.
Is RD interest earned taxable?
Yes, in most countries interest earned on an RD is treated as ordinary income. In India, banks deduct TDS if your total interest income across deposits exceeds ₹40,000/year (₹50,000 for senior citizens); the interest is still fully taxable at your slab rate regardless of TDS. In the US, RD-equivalent account interest is reported on Form 1099-INT. In the UK, most savers have a Personal Savings Allowance (£500–£1,000 depending on tax band) before interest is taxed. Always consult a local tax advisor for your specific situation.
How does an RD compare to an FD or a SIP?
An RD (Recurring Deposit) offers predictable, guaranteed returns on fixed periodic installments, ideal for short-to-medium-term goals. An FD (lump-sum term deposit) suits a windfall you can invest all at once. Market-linked plans like SIPs offer higher potential returns but carry volatility that an RD does not.
Can I withdraw my RD before maturity?
Most banks allow premature RD withdrawal, but it usually comes with a penalty — commonly a reduced interest rate (0.5–1% lower than the contracted rate) applied for the period the RD was actually held. Some banks also charge a flat premature-withdrawal fee. Check your specific RD's terms before opening an account, since penalty structures vary significantly by bank.
What happens if I miss an RD installment?
Most banks charge a small penalty fee for each missed or delayed RD installment, and typically allow a short grace period of a few days. If you miss too many consecutive installments, the bank may close the RD account early and pay out the accumulated balance at a reduced interest rate. Some banks now offer flexible RDs that waive this penalty — check your specific account's terms before opening.
What's the difference between a bank RD and a Post Office Recurring Deposit?
Both work the same way mechanically — fixed monthly installments compounding quarterly — but a Post Office RD is backed directly by the Government of India rather than an individual bank, and its interest rate is set quarterly by the Ministry of Finance. Bank RDs may offer more flexible tenures and deposit frequencies (weekly or bi-weekly), while Post Office RDs are strictly monthly.
Do banks offer a higher RD rate for senior citizens?
Yes. Most Indian banks offer senior citizens an additional 0.25–0.75% interest rate over the standard RD rate, similar to the senior citizen benefit on fixed deposits. Enter your bank's senior citizen rate directly into this calculator to see the difference in maturity value.
How do you calculate RD maturity manually?
Use the recurring deposit annuity formula: M = P × q × (qᴺ − 1) ÷ (q − 1), where q = (1 + r/c)^(c/f). For example, a ₹5,000 monthly RD at 6.5% annual interest compounded quarterly for 24 months gives q ≈ 1.005388, N = 24, and a maturity value of approximately ₹1,28,425 — about ₹8,425 in interest on ₹1,20,000 invested. NeftCal's RD calculator automates this so you don't have to compute it by hand.
Can I increase or decrease my RD installment amount mid-tenure?
Standard RDs lock in a fixed installment amount for the entire tenure — you can't change it once the account is opened. Some banks offer flexible or variable RDs that allow you to adjust the installment within a set range each month; if you have one, calculate the average installment separately for an approximate projection.
Is this RD calculator free to use, and is my data safe?
Yes, it's completely free with no signup. All calculations run locally in your browser using JavaScript — the installment amount, rate, and tenure you enter are never transmitted to or stored on a server.
Learn More

Authoritative Resources on Recurring Deposits

Official guidance to complement this calculator — not a substitute for licensed financial advice

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