Post Office Monthly Income Scheme Calculator

Written by Great Medico

Updated September 25, 2026 •2 min read

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The fastest way to make a finance estimate useful is to know exactly what went into it. Post Office Monthly Income Scheme Calculator puts the relevant inputs beside the result so you can test the calculation instead of treating the number as a black box. On this page, it estimates monthly interest income from an entered deposit and annual rate.

What this calculator does

Post Office Monthly Income Scheme Calculator estimates monthly interest income from an entered deposit and annual rate. Its visible inputs are Nature of account, Amount invested, Interest rate. The article follows those fields and the calculation that is actually available on this page; it does not silently add live market feeds, tax tables, legal eligibility tests, or other variables that are not present in the tool.

How to use it

Enter Nature of account, Amount invested, Interest rate. Use the units and percentage scale shown beside each field, and keep values on the same time basis when the formula compares income, rates, prices, balances, or work hours.

How the calculation works

Monthly income = amount invested × annual interest rate ÷ 12. The page also reports annual interest while leaving principal unchanged in this simple interest-income view.

Example

Using the page’s demonstration values (Nature of account = single; Amount invested = 500,000; Interest rate = 7.4) and leaving the remaining defaults unchanged, the calculator returns ₹3,083.33 / month for monthly income. Replace the sample inputs with values from the same period and definition before interpreting your own result.

How to interpret the result

Use the number as a mathematical projection from the entered contribution, rate, term, or tax assumption. Scheme eligibility, statutory caps, credited rates, tax treatment, lock-ins, withdrawal rules, and lender practices are separate questions that can change over time.

Limitations and notes

The interest rate and deposit limits for the Post Office Monthly Income Scheme are government-set and can change by quarter. Enter a current rate and verify the applicable account limits. Government schemes and tax rules can change by financial year or notification. Interest rates may be reset, contribution limits can apply, and tax/withdrawal treatment may depend on eligibility. Verify the current official scheme or tax rule before acting.