Sukanya Samriddhi Calculator
Project a Sukanya Samriddhi account to maturity: 15 years of deposits, 21 years of growth
Maturity Amount at Age 23
₹47,88,079
- Total Deposited
- ₹15,00,000
- Interest Earned
- ₹32,88,079
- 80C Tax Saved
- ₹4,68,000
Tax-free at maturity. A projection at one rate — the real rate changes quarterly.
How the 21 years split
- Yearly deposit
- ₹1,00,000
- Deposits (years 1–15)
- ₹15,00,000
- Balance at the end of year 15
- ₹29,83,993
- Growth in years 16–21, nothing added
- ₹18,04,087
- Most she can withdraw at 18
- ₹16,14,340
- Maturity amount
- ₹47,88,079
Composition
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How this is calculated
Formula
closingₙ = (closingₙ₋₁ + depositₙ) × (1 + r)
- closingₙ
- = balance at the end of account year n
- depositₙ
- = the year’s deposit in years 1–15, nil after
- r
- = annual rate as a decimal
With your numbers
- 1Rate as a decimalr = rate ÷ 1008.20% ÷ 100 = 0.0820
- 2Deposit years 1–15D × [((1 + r)¹⁵ − 1) / r] × (1 + r)₹1,00,000 a year grows to ₹29,83,993
- 3Years 16–21, nothing addedbalance₁₅ × (1 + r)⁶₹29,83,993 × 1.6046 = ₹47,88,079
- About ₹18,04,087 — 38% of the maturity amount — is earned in the last six years, when nothing is being paid in.
- Each year’s deposit is assumed made by 5 April, so it earns the full year’s interest. Interest is reckoned on the lowest balance between the 5th and the month end, so a deposit made later earns less.
- The deduction is under Section 123 (formerly 80C), within the ₹1.5 lakh pool shared with PPF, EPF, ELSS and life premiums, and only under the old regime.
What is Sukanya Samriddhi?
A government small-savings account for a girl child, opened by a parent or guardian before she turns 10, at a post office or an authorised bank.
Deposits run for 15 years and the account matures 21 years after opening. One account per girl, and at most two per family (three with twins or triplets).
Key rules
- • ₹250 minimum and ₹1.5 lakh maximum a financial year
- • A year below the minimum makes it a default account (₹50 penalty a year to revive)
- • Up to 50% withdrawable for education from age 18
- • Can be closed early on her marriage after 18
- • EEE: deposit deductible (old regime), interest and maturity tax-free
Frequently Asked Questions
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