NSC Calculator
Finance & InvestmentCalculate National Savings Certificate maturity value and interest earned on a 5-year lump-sum investment at the current 7.7% p.a. rate, compounded annually.
Reviewed by the thecalcu.com team · Last updated 23 July 2026
Maturity Amount
Corpus Breakdown
How your investment grows over time
What is a NSC?
The NSC Calculator helps you project the maturity value of an investment in the National Savings Certificate, a government-backed small savings scheme issued through India Post. NSC works on a simple premise: you invest a lump sum once, the government pays a fixed interest rate that compounds annually, and at the end of a strict 5-year tenure you receive the entire accumulated amount, principal plus interest, as a single payout. Unlike instruments that disburse interest periodically, NSC retains every rupee of interest inside the certificate until maturity, which is what makes the compounding effect on your initial investment so significant over the five years.
NSC sits alongside the PPF Calculator and Fixed Deposit Calculator as one of the core fixed-income, government-linked savings options available to Indian investors. Because the interest rate is reset by the Ministry of Finance every quarter (currently used here at 7.7% p.a.) and locked in for the full tenure of your specific certificate, the rate you get depends entirely on when you invest, not on rates that apply later. This calculator uses that quarterly-notified rate as an assumption you can adjust, so you can model your specific certificate's terms precisely.
Why Use a NSC Calculator?
Manually compounding a lump sum annually for five years and then working out the tax-eligible and taxable portions is tedious and error-prone to do by hand. This calculator removes that friction: enter your investment amount and the applicable rate, and it instantly returns your exact maturity amount, the total interest you'll earn, and how much of your original capital was deployed.
It's especially useful when comparing NSC against other Section 80C options before the financial year-end tax-planning rush. If you're deciding between NSC, a tax-saving FD, or ELSS, running the same lump sum through each calculator side by side gives you a like-for-like comparison of final maturity value rather than relying on rough mental math.
Who Should Use This Calculator?
Conservative savers nearing a financial goal, anyone who wants a guaranteed, government-backed return over a known 5-year horizon, without market exposure, will find NSC a natural fit, and this calculator tells them exactly what to expect at maturity.
Salaried taxpayers planning Section 80C investments, if you're allocating your ₹1.5 lakh 80C limit across PPF, NSC, life insurance, and ELSS, this calculator helps you see how much of that allocation should go toward NSC based on the maturity value you need.
Parents saving toward a near-term milestone, a 5-year tenure aligns well with goals like funding a school admission or a planned purchase a few years out, and the reverse-mode option lets you work backward from that target amount.
Investors comparing fixed-income options, anyone weighing NSC against Kisan Vikas Patra or a Fixed Deposit can use this calculator's output directly in that comparison.
What Insights Does the NSC Calculator Give You?
Maturity Amount is the headline figure, the total amount you receive at the end of the 5-year tenure, including your original investment and all accumulated interest. This is the number to use when deciding whether NSC meets your target for a specific financial goal.
Total Invested simply restates your one-time lump sum, useful as a reference point alongside the other two figures.
Total Interest Earned isolates exactly how much the government's compounding has added to your money over five years. This figure is what helps you compare the "return efficiency" of NSC against other fixed-income instruments of similar tenure, since you can directly compare interest earned per rupee invested.
How to use this NSC calculator
- Enter your one-time lump sum in the Investment Amount field, this is the amount you intend to put into your NSC certificate.
- Check the Interest Rate field, which defaults to 7.7% p.a., adjust it if you're calculating for a certificate purchased at a different quarter's rate.
- Review the Maturity Amount shown in the highlighted result card, this is your total payout at the end of the 5-year tenure.
- Check Total Invested and Total Interest Earned below it to see the split between your original capital and the interest the certificate has earned.
- If you have a specific maturity target in mind, switch to reverse mode and enter your desired Maturity Amount, the calculator will tell you the lump sum you need to invest today.
- Use the share option to save or send the calculation if you're comparing NSC against other 80C instruments with a family member or financial advisor.
Show formula & methodology ↓Show less ↑
Formula & Methodology
NSC uses annual compounding over a fixed 5-year tenure, with the entire maturity value paid out at the end: Maturity Amount = P × (1 + r)⁵ Where: - P = principal (lump-sum investment amount) - r = annual interest rate, expressed as a decimal (e.g. 7.7% → 0.077) - The exponent is fixed at 5, reflecting NSC's standard tenure Worked example: For a ₹1,00,000 investment at 7.7% p.a.: Maturity Amount = ₹1,00,000 × (1.077)⁵ ≈ ₹1,44,907 Total Interest Earned = ₹1,44,907 − ₹1,00,000 = ₹44,907 This calculator uses the 7.7% p.a. rate as a working assumption for the current quarter's small savings scheme notification. Always verify the rate in effect on your actual investment date with India Post or your bank, since the Ministry of Finance can revise small savings rates every quarter, and whatever rate applies on your purchase date is locked in for your certificate's full 5-year term.
Frequently Asked Questions