What is the 5th Day Rule in SSY?

According to government rules, interest for a month is calculated on the lowest balance in your account between the close of the 5th day and the end of the month. Always invest before the 5th to maximize returns.

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Advanced SSY Calculator

Plan your daughter's future perfectly. Calculate Sukanya Samriddhi Yojana returns with precision, decode the '5th-Day Rule', and discover inflation realities.

🔒 100% Secure • Processed Locally • No Server Uploads

Current SSY Rate:8.2% p.a.

Yearly Investment

₹ 1,50,000

Min: ₹250Max Limit: ₹1.5 Lakhs

Daughter's Current Age (Years)

Account can only be opened before age 10.

Deposit Timing (The 5th Day Rule)

Expected Inflation Rate6%

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Secure her future

Adjust the sliders and we will accurately map out the 21-year maturity journey.

NaviWebTools Advanced SSY Calculator

Sukanya Samriddhi Yojana (SSY) is one of the highest-paying, government-backed tax-saving schemes designed to secure a girl child's education and marriage. However, calculating its exact maturity isn't as simple as flat compounding. The NaviWebTools Advanced SSY Calculator is explicitly engineered to apply actual Post Office and Banking rules.

Unlike basic calculators online, our engine integrates the strict "5th-Day Interest Rule" and provides a stark Inflation-Adjusted Reality Check so you know exactly what your returns will be worth after 21 long years.

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Developer's Insight

"As a developer building financial tools, I saw a major flaw in how SSY calculators work. They assume interest is calculated evenly. In reality, the government calculates SSY interest based on the lowest balance between the 5th and the end of the month. I programmed this calculator to simulate month-by-month logic so users can see exactly how much money they lose if they deposit after the 5th. It runs entirely in your browser to protect your financial privacy."

The Secrets No One Tells You About SSY

1
The 5th Day Rule (Timing Matters)
According to govt rules, interest for a month is calculated on the lowest balance in your account between the close of the 5th day and the end of the month. If you deposit your money on the 6th, you lose the entire month's interest on that new deposit. Always invest before the 5th!
2
15 Years vs 21 Years
You are only required to deposit money for the first 15 years. After that, your account sits idle for the next 6 years until it matures at the 21-year mark, continuing to earn hefty compound interest without needing fresh capital.
3
100% Tax-Free (EEE Status)
SSY falls under the coveted Exempt-Exempt-Exempt (EEE) status. The money you invest is tax-deductible (80C), the interest earned is tax-free, and the final maturity amount is completely exempt from income tax.

Frequently Asked Questions

Can I withdraw money before 21 years?

Yes, partial withdrawal up to 50% of the balance is allowed for the girl child's higher education once she turns 18 or passes the 10th standard. Premature closure is also permitted for her marriage after she turns 18.

Why does the tool show Inflation Adjustment?

Because ₹70 Lakhs today will not have the same buying power in 21 years. Assuming an average 6% inflation, the cost of goods doubles roughly every 12 years. Our tool helps you set realistic financial goals by showing the true future value.

Financial Disclaimer: The NaviWebTools SSY Calculator is provided for educational and estimation purposes only. Government interest rates for Sukanya Samriddhi Yojana are subject to change quarterly. The calculations reflect current regulations but may change based on government policies. Please consult a certified financial planner or your bank before making any investment decisions.

NaviWebTools Advanced SSY Calculator