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Sukanya Samriddhi Calculator
Project the maturity amount for a girl child's savings account. Adjust any input below and your results update instantly.
Understanding Sukanya Samriddhi Yojana
The concept, the motivation, and what to watch out for.
A savings account only a girl child can hold — and only until she's 10
Sukanya Samriddhi Yojana pays the highest interest rate of any government small savings scheme, backed entirely by the government, but it comes with two fixed windows that don't bend: deposits are only accepted for the first 15 years after the account opens, and the account itself only matures 21 years after opening — not when the girl turns 21, a common mix-up.
This calculator models both windows directly — see how much you contribute in the first 15 years, and how much more the balance quietly compounds for the remaining years with no further deposits.
Deposits stop well before maturity
You only contribute for 15 years — the account then keeps earning interest, untouched, for the rest of its 21-year life.
Timing your deposit matters
A lump sum paid by 5 April earns a full year's interest on the entire amount; monthly instalments only earn interest on each portion from its own deposit month onward.
How this calculator helps
Enter her age, your contribution, and the rate — see the maturity value, how much is pure interest, and what a full 15 years of contributions is worth versus stopping early.
Project her SSY maturity value
Fill in the starred fields on the left — your results update instantly on the right.
Your details
Deposit as one yearly lump sum
Off spreads it across 12 monthly instalments.
e.g. 5 years old
≈ ₹1.50 L
e.g. ₹1,50,000 a year
e.g. 8.2% (current rate)
These are example numbers. Edit any input on the left to see your own.
Her SSY account could grow to
₹69.33 L
3.1x your total contribution · matures at age 26
Total contributed
₹22.50 L
Interest earned
₹46.83 L
Balance vs. contributed
SSY balanceAmount contributed
Year-by-year breakdown
Deposits stop after year 15 — years after that show the balance compounding with no further contributions.
YearSSY balanceContributedStatus
1₹1.57 L₹1.50 L
1.0x contributed
4% is interest
4₹7.08 L₹6.00 L
1.2x contributed
15% is interest
7₹14.06 L₹10.50 L
1.3x contributed
25% is interest
10₹22.91 L₹15.00 L
1.5x contributed
35% is interest
13₹34.12 L₹19.50 L
1.7x contributed
43% is interest
16₹46.75 L₹22.50 L
No deposits left
52% is interest
19₹59.22 L₹22.50 L
No deposits left
62% is interest
21₹69.33 L₹22.50 L
No deposits left
68% is interest
Compare scenarios
See how your deposit pattern changes things, and how much of the final value comes purely from the years after deposits stop.
Your plan
Monthly · matures year 21
₹69.33 L
Maturity value
Baseline
Yearly lump sum instead
Same total contribution
₹71.82 L
Maturity value
+₹2.49 L
Balance at year 15
When deposits stop
₹43.21 L
Maturity value
-₹26.12 L
Worked example, using your numbers
A step-by-step walkthrough of how your inputs become the maturity value.
Step 1 · Monthly rate
Your 8.2% annual rate converts to a monthly rate of
0.683%
Step 2 · Total contributed (15 years)
Contributing ₹1.50 L/year for the 15-year deposit window, you put in a total of
₹22.50 L
Step 3 · Maturity value (year 21)
Compounding annually at 8.2% for the full tenure, it grows to
₹69.33 L
✓
Of the final balance, 68% (₹46.83 L) is compounded interest — entirely tax-free, and she can access up to 50% of it early once she turns 18 (in 13 years).
Personalised insights
What your numbers reveal, and what changing them would do.
68% of the maturity value is interest
₹22.50 L contributed over 15 years grows to ₹69.33 L — ₹46.83 L is compounded interest.
Switching to a yearly lump sum would add ₹2.49 L
Paying the full year's contribution by 5 April instead of spreading it monthly earns interest on the whole amount from month one.
₹26.12 L comes from compounding after deposits stop
The balance is ₹43.21 L the moment your last contribution lands in year 15 — it then grows untouched for 6 more years to reach maturity.
You're already contributing the maximum allowed
Your ₹1,50,000 contribution already claims the full ₹1,50,000 annual cap.
How this is calculated
Every step of the math behind your result, shown in the open.
Monthly rate from the annual rate
r = annual SSY interest rate, r_m = monthly rate used for each month's interest calculation
SSY interest compounds using this monthly rate, even though it's only credited to the balance once a year.
Example: 8.2% ÷ 12 → 0.683% monthly rate
Interest, computed monthly but credited yearly
Balance_m = balance after that month's deposit (if any), Year Interest = the sum credited once at year-end
Each month's interest is based on the balance at that point — a lump sum sitting there all year earns interest every month; a fresh monthly deposit only earns interest from the month it lands.
Example: Year 1: 12 months of interest at 0.683%/mo on a growing balance → credited once at year-end
Maturity value
Total Contributed = sum of every year's contribution across the 15-year deposit window, Total Interest = every year's credited interest across all 21 years, Maturity = final balance at account maturity
Contributions only run for 15 years, but interest keeps compounding on the balance for the full 21-year tenure.
Example: ₹22.50 L contributed + ₹46.83 L interest → ₹69.33 L
Assumptions
- Deposits are assumed to land by the 5th of the relevant month (or 5 April, for the yearly lump sum) — depositing later reduces actual interest earned below this estimate.
- The interest rate is held constant across the full tenure — in reality, the Ministry of Finance can revise it every quarter.
- Partial withdrawals (available from age 18) aren't modeled — this projects an account with no withdrawals until maturity.
- Figures are indicative — not financial advice.
Did you know?
A few facts behind Sukanya Samriddhi Yojana and how it compounds.
8.2%
The highest rate of any small savings scheme
At 8.2%, SSY pays more than PPF, the National Savings Certificate, or any other government-backed small savings instrument — a deliberate incentive for girl-child savings.
9
The account must open before she turns 10
There's no provision to open an SSY account for a girl who has already turned 10 — this is a hard cutoff, not a soft guideline.
15 of 21
You stop contributing years before the account matures
Deposits are only accepted for 15 years — the account then quietly compounds on its own for the remaining years until it matures at year 21.
EEE
One of the few investments taxed nowhere at all
Contribution, interest, and maturity amount are all exempt from tax — a rare "triple exemption" status very few other instruments in India offer.
2
Usually capped at two accounts per family
One account per girl child, and normally at most two per family — an exception only exists for twins or triplets born in the same delivery as (or after) a first daughter.
Frequently asked questions
Straight answers to the questions we hear most about SSY.
Does the account really mature 21 years after opening, not when she turns 21?
Yes — maturity is fixed at 21 years from the date the account was opened. Since an account can be opened any time before she turns 10, she could be anywhere between 21 and 30 at maturity, not necessarily exactly 21.
Do I have to keep depositing for the full 21 years?
No — deposits are only accepted for the first 15 years after opening. After that, you stop contributing, but the balance stays invested and keeps earning interest for the remaining years until maturity.
Can I withdraw money before the account matures?
Once she turns 18 (or has passed 10th standard, whichever is earlier), you can withdraw up to 50% of the account's balance as it stood at the end of the previous financial year — for education or marriage expenses only, at most once a year.
What are the minimum and maximum I can deposit each year?
At least ₹250 a year to keep the account active, and no more than ₹1,50,000 — deposits beyond that cap don't earn interest or a Section 80C deduction.
Is the interest and maturity amount taxable?
No — SSY has "EEE" status: your contribution qualifies for a Section 80C deduction (old regime only), the interest earned every year is tax-free, and the maturity amount is fully exempt too.
Can I open more than one account for the same girl, or for more than two daughters?
No — only one account per girl child, and at most two accounts per family (three only in the specific case of twins or triplets on a second birth).
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Learn more
Articles to go deeper on the ideas behind this calculator.
Fundamentals
SSY's 15-year and 21-year windows, explained
Why you stop depositing years before the account actually matures.
4 min read
Strategy
PPF vs EPF vs NPS: picking the right mix
Three tax-advantaged accounts, three different trade-offs.
7 min read
Strategy
Using SSY's partial withdrawal for education costs
How the 50% rule works, and when it's actually available.
5 min read