Post Office Time Deposit Calculator

How the Post Office Time Deposit Calculator works

Each tenure has its own rate: 1 year 6.9%, 2 year 7%, 3 year 7.1%, 5 year 7.5%. The government sets small savings rates every quarter. This guide uses the rates the calculator uses, notified for Jul–Sep 2026.

Interest is compounded quarterly and paid out with the deposit at maturity in this calculator.

Interest is taxable. The 5-year TD can also count toward Section 80C when eligible.

Formula

A = P × (1 + r ÷ 4)^(4 × t)

• P = amount deposited
• r = yearly rate for the tenure (as a decimal)
• t = tenure in years

Worked example: ₹1,00,000 in a 5-year TD at 7.5%

1. Quarterly rate = 7.5% ÷ 4 = 1.875%, over 20 quarters.
2. Growth factor = 1.4499.
3. Maturity value = ₹1,44,995, so interest earned = ₹44,995.

Tips

• The 5-year TD pays the highest rate, 7.5%, but has the longest term.
• Split a large sum across tenures so that part of it matures every year or two.
• Because interest is taxable, compare the post-tax return with your slab in mind.

Want to know if your whole plan is on track? Get your free money score in about two minutes. No PAN, no Aadhaar.

About the Post Office Time Deposit Calculator

Free Post Office Time Deposit (TD) calculator. Find the maturity value and interest for a 1, 2, 3 or 5-year deposit at notified rates of 6.9%–7.5%.

Frequently asked questions

What are current Post Office TD rates?

For Jul–Sep 2026: 1-year 6.9%, 2-year 7.0%, 3-year 7.1%, 5-year 7.5% - compounded quarterly.

Does a Post Office Time Deposit save tax?

Only the 5-year deposit qualifies for Section 80C in the old regime, up to ₹1.5 lakh a year.

Can I close a Post Office Time Deposit early?

Yes, after 6 months. Closing before 1 year pays savings account interest; later closures pay a reduced rate.