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Post Office Monthly Income Scheme Calculator

Kaushik RabadiyaCreated by Kaushik RabadiyaLast updated: September 25, 2026

Post Office Monthly Income Scheme instantly calculates results using account nature, amount invested, amount invested joint. Use the calculator above for instant answers in your browser.

The Post Office Monthly Income Scheme Calculator is a reliable digital tool designed to help savers determine their exact monthly payouts from government-backed fixed-income accounts. Whether you are opting for a single account or a joint holding, this utility removes manual guesswork by instantly computing your regular earnings and applicable premature closure deductions. Retirees, conservative investors, and risk-averse planners utilize this calculator to secure a steady cash flow and manage household budgets effectively.

How the Post Office Monthly Income Scheme Works

The core logic behind the POMIS calculator relies on simple annual interest distributed evenly across twelve calendar months. The primary formula for calculating your monthly payout is expressed as Monthly Income = (Amount Invested multiplied by Interest Rate) divided by 1200. For joint accounts, the same mathematical principle applies using the combined investment limit. Additionally, the calculator factors in premature closure penalties if funds are withdrawn between one and three years (deducting 2 percent of the principal) or between three and five years (deducting 1 percent of the principal) as per official postal guidelines.

Worked Calculation Example

Consider an individual investor who deposits $10,000 in a POMIS account at an annual interest rate of 7.4 percent. To find the monthly return, apply the standard formula: $10,000 multiplied by 7.4, which equals 74,000. Dividing this product by 1200 results in a guaranteed monthly income of $61.67. Over the five-year tenure, the investor collects this exact monthly dividend while retaining the right to withdraw the full $10,000 principal intact upon maturity, provided no early closure penalties apply.

Best Practices for POMIS Investments

Maximize your fixed-income strategy by keeping these key guidelines in mind: First, always verify the current quarterly interest rates announced by the governing authority before locking in your funds for the full five-year term. Second, remember that while the monthly payout provides excellent liquidity, the interest is not automatically reinvested, so you must have a plan for those recurring cash inflows. Finally, evaluate your liquidity needs carefully to avoid incurring the 1 percent to 2 percent premature withdrawal penalties triggered by closing the account before maturity.

FAQs

What is the investment limit for the Post Office Monthly Income Scheme?

The scheme enforces strict maximum deposit thresholds to protect small savers. For a single account holder, the maximum allowable investment cap is typically set at a fixed monetary ceiling, while joint accounts managed by up to three adults enjoy a higher combined investment limit. Exceeding these limits requires transferring or refunding the excess amount without earning interest.

What is the lock-in period for a POMIS account?

POMIS accounts carry a mandatory lock-in period of five years from the exact date of account opening. While premature withdrawals are permitted after completing one year, doing so attracts a penalty fee of 2 percent of the principal if withdrawn within three years, and 1 percent if withdrawn between three and five years.

How is the interest rate determined for POMIS?

The interest rate for the Post Office Monthly Income Scheme is reviewed and updated by the central government on a quarterly basis. Once you open an account and lock in a specific rate, that exact percentage remains unchanged and guarantees your monthly payouts for the entire five-year duration of the deposit.

Is Post Office Monthly Income Scheme interest taxable?

While the principal amount deposited into a POMIS account may or may not qualify for tax deductions depending on current fiscal codes, the monthly interest payout earned by the investor is entirely taxable. The interest must be reported under income from other sources on your annual tax return according to your applicable tax slab.

Formula verified against Standard financial formulas — all calculations use deterministic, standards-based formulas.

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