SCSS Calculator

What is an SCSS Calculator?

An SCSS calculator estimates the quarterly interest income and total interest from the Senior Citizens Savings Scheme, a 5-year post office scheme for people aged 60 and above with a deposit limit of ₹30 lakh.

SCSS Calculator shows the regular income from the Senior Citizens Savings Scheme, which pays simple interest every quarter and returns the deposit at maturity. It is open to people aged 60 and above, and to some retirees from 55.

How does the SCSS Calculator work?

SCSS pays simple interest every quarter; the interest is not added back to the deposit, and the principal is returned at maturity.

Quarterly interest = P × rate ÷ 4
Total interest = Quarterly interest × 4 × years

How to use the SCSS Calculator

1. Enter the investment amount (anywhere from ₹1,000 to ₹30,00,000). Type it in the box or drag the slider.
2. Enter the interest rate (p.a.) (anywhere from 1.0% to 12.0%). Type it in the box or drag the slider.
3. Choose tenure: 5 years or 8 years (extended).
4. Read the interest every quarter at the top of the results, then check the breakdown below it.
5. Change one input at a time to compare scenarios, and note how much each change moves the result.

Benefits of using the SCSS Calculator

• Applies the scheme’s own rules (deposit limits, tenure and how interest is credited) rather than a generic formula.
• Shows the year-by-year picture so you can see how the balance builds over the life of the scheme.
• Lets you check the effect of a rate change, since government scheme rates are revised every quarter.
• Free and instant, with the assumptions listed, so you know what the estimate does and does not include.

Mistakes to avoid with the SCSS Calculator

The common mistake is reading the quarterly payout as a monthly figure.

SCSS pays simple interest every quarter; the deposit does not grow.

Helpful checks before using the result

These checks make a scss more useful in practice.

• Start with a realistic base case rather than the first value that fits the range slider.
• Change one major assumption at a time so the effect stays easy to interpret.
• Use the result to compare scenarios, not as a final provider quote or guaranteed outcome.
• Verify rates, rules, and product terms separately before acting on the estimate.

SCSS rules that matter for income planning

SCSS is built for regular income, not growth.

• Interest is paid on 1 April, 1 July, 1 October and 1 January; it does not compound.
• The rate in force when you open the account is fixed for the 5-year term (and the extension period uses the rate at extension).
• The combined limit across all SCSS accounts is ₹30 lakh per person.
• Deposits qualify for Section 80C under the old regime; the interest is taxable.

SCSS income examples

At 8.2% a year.

SCSS Calculator FAQs