Calculate Recurring Deposit maturity with quarterly compounding. Compare Post Office vs banks. Senior premium for banks only.
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Source: DEA Q1 FY 2026-27 small savings memo. Rates change without prior notice; verify on value date with your institution.
3-month increments (RD quarter alignment)
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Calculate Recurring Deposit maturity with quarterly compounding using the Indian Banks' Association formula. Compare Post Office RD (6.70%) vs SBI / HDFC / ICICI / Axis bank RDs (6.45-6.80%) with effective dates per preset. Senior premium of +0.50% applies to bank RDs only - Post Office schemes have a uniform rate for all citizens. TDS info per Section 194A as amended by Finance Act 2025 (Rs 50K general / Rs 1L senior threshold). Bank rates change without prior notice; verify on the value date.
| Compounding | Quarterly (every 3 months) - standard across SBI / HDFC / ICICI / Axis / Post Office |
| Math convention | IBA closed-form: M = P x [(1+i)^N - 1] / [1 - (1+i)^(-1/3)] where i = quarterly rate, N = quarters |
| Post Office RD rate | 6.70% (DEA Q1 FY 2026-27, unchanged from Q4 FY 2025-26; next review 30 Jun 2026) |
| Bank RD rates (May 2026) | SBI 6.80%, HDFC 6.50%, ICICI 6.50%, Axis 6.45% (5-year). Bank rates change without prior notice. |
| Senior citizen premium | +0.50% on bank RDs (typical). NOT applicable to Post Office RD - rate is uniform per India Post rules. |
| Tenure (Post Office) | 5 years standard; can be extended in 5-year blocks. Premature closure permitted after 3 years. |
| Tenure (Banks) | Typically 6 months to 10 years in 3-month increments |
| TDS threshold (Section 194A) | Rs 50,000 general / Rs 1,00,000 senior - per Finance Act 2025 amendment effective 1 April 2025. Rate 10% with PAN, 20% without. |
| Where computation happens | 100% in your browser; no upload, no signup, no PII collected |
| Companion tool | Use FD Calculator for lump-sum deposits with cumulative or non-cumulative interest |
A Recurring Deposit is a savings instrument where you deposit a fixed amount every month for a fixed tenure (typically 6 months to 10 years), earning compound interest at a pre-agreed rate. Unlike a Fixed Deposit which takes a single lump sum, an RD lets you build a corpus through regular monthly contributions - useful for salaried savers who want disciplined accumulation without the volatility of mutual fund SIPs.
Two main flavours in India: Post Office RD (sovereign-backed, 5-year tenure, rates set quarterly by the Department of Economic Affairs) and Bank RDs (rates set by each bank, more flexible tenure, with a +0.50% senior citizen premium typically). Post Office RD does not offer a senior premium - the rate is uniform across all citizens.
The Indian Banks' Association formula for RD maturity assumes monthly deposits with quarterly compounding. Each monthly deposit accrues at a fractional-quarter compound rate within a quarter and at the full quarterly rate thereafter. The closed form:
M = P x [(1 + i)^N - 1] / [1 - (1 + i)^(-1/3)]
Post Office RD currently pays 6.70% per annum (Q1 FY 2026-27, unchanged from Q4 FY 2025-26 per the DEA Finance Ministry memo dated 30 March 2026; next review 30 June 2026). The standard tenure is 5 years (60 months / 20 quarters), extendable in 5-year blocks.
Worked example for Rs 5,000/month at 6.70% over 5 years (verified via the calculator above):
Same Rs 5,000/month for 5 years across institutions. Numbers below are computed via the calculator using rates effective on the dates shown.
| Institution | Rate | As of | Maturity | Interest |
|---|---|---|---|---|
| Post Office (5-yr) | 6.70% | 30 Mar 2026 | Rs 3,56,829 | Rs 56,829 |
| SBI | 6.80% | 15 Dec 2025 | Rs 3,57,771 | Rs 57,771 |
| HDFC Bank | 6.50% | 6 Mar 2026 | Rs 3,54,954 | Rs 54,954 |
| HDFC Bank (senior) | 7.00% | 6 Mar 2026 | Rs 3,59,664 | Rs 59,664 |
| Axis Bank | 6.45% | 7 Apr 2026 | Rs 3,54,487 | Rs 54,487 |
SBI currently leads on bare rate, but bank rates change without prior notice and senior citizens at HDFC / ICICI / Axis end up ahead of Post Office once the +0.50% senior premium is applied. Post Office is the choice when sovereign backing matters more than 0.10-0.30% of yield. Verify the rate on your value date before opening any RD.
RD interest is fully taxable in India - it does NOT enjoy the EEE status of PPF / SSY. The interest you earn is added to your total income each financial year and taxed at your slab rate. Two layers:
This calculator does NOT compute your final tax. The TDS callout above the donut shows whether the per-FY interest from this single deposit is likely to trigger TDS at source. Aggregate interest across all your RDs / FDs at the same institution; if combined per-FY interest stays below Rs 50K (or Rs 1L for senior), no TDS is expected.
Post Office RD: premature closure permitted after 3 years; if closed early, the savings-account interest rate (currently 4%) applies. Banks: premature closure typically attracts a penalty of 0.50-1.00% lower than the contracted rate; rules vary by bank, so verify before opening. Loan against RD: most institutions offer up to 50-90% of the deposit balance after 12 regular installments at a small spread over the RD rate. None of this is computed here - the calculator assumes the deposit runs to full maturity.
Last reviewed in May 2026. Post Office rate verified against DEA Q1 FY 2026-27 memo. Bank rates verified against each bank's interest-rate page on the dates shown in the comparison table. Bank rates change without prior notice; ascertain the rate on your value date with the institution before depositing. Re-verify Post Office rate after each DEA quarterly review (next: 30 Jun 2026).
Looking for a lump-sum deposit instead of monthly installments? Use the FD Calculator for cumulative or non-cumulative Fixed Deposits. For tax-free long-term savings, see PPF Calculator (15-year, EEE status). For a girl-child specific scheme, see SSY Calculator. For market-linked monthly investing, compare with SIP Calculator.