KVP Calculator
InvestmentFind out exactly how long Kisan Vikas Patra takes to double your money at the current rate — and see the year-by-year growth to maturity.
In short: Kisan Vikas Patra (KVP) is a government-backed Post Office certificate that doubles your investment at a fixed rate of 7.5% p.a. compounded annually — currently in about 115 months (roughly 9 years 7 months) — but it offers no Section 80C deduction and the interest earned is fully taxable.
Your inputs
Your inputs
- Investment amount
- ₹1,00,000
- Interest rate
- 7.5%
Results
Invested amount
₹1,00,000
Years to double
10
About 115 months
Maturity value (2×)
₹2,00,000
AI insights
- You put in ₹1,00,000 and it grows to ₹2,00,000 — about 2.0× your money, with ₹2,00,000 earned on top.
- Roughly 100% of the final value is growth, not your own contributions — the compounding is doing the heavy lifting.
- Staying invested longer, or stepping the amount up each year, tilts this even further in your favour.
KVP value growth
How your investment compounds each year until it doubles.
Year-wise growth
| Year | Interest earned | Value |
|---|---|---|
| 1 | ₹7,500 | ₹1,07,500 |
| 2 | ₹15,562 | ₹1,15,562 |
| 3 | ₹24,230 | ₹1,24,230 |
| 4 | ₹33,547 | ₹1,33,547 |
| 5 | ₹43,563 | ₹1,43,563 |
| 6 | ₹54,330 | ₹1,54,330 |
| 7 | ₹65,905 | ₹1,65,905 |
| 8 | ₹78,348 | ₹1,78,348 |
| 9 | ₹91,724 | ₹1,91,724 |
| 10 | ₹1,06,103 | ₹2,06,103 |
Balance compounded annually until it reaches double the investment.
How the KVP Calculator works
Formula
- t
- Time (in years) for the money to double
- r
- Annual interest rate (decimal)
- ln
- Natural logarithm
- A
- Maturity value = 2 × principal
Step-by-step calculation
Worked with the default values.
- 1
Annual rate (r)
7.5% p.a.
= 7.5%
- 2
Time to double (t)
ln(2) ÷ ln(1 + r)
= 9.58 yrs (≈ 115 months)
- 3
Maturity value
A = P × 2
= ₹2,00,000
How it works
- You invest a lump sum and the amount compounds annually at a fixed government-set rate.
- The scheme is designed so the money doubles over a defined period — currently about 115 months at 7.5% p.a.
- At maturity you receive exactly twice your investment; the return is assured and unaffected by markets.
Examples
₹1,00,000 at 7.5% p.a.
Doubles to ₹2,00,000 in about 9 years 7 months (≈ 115 months).
₹5,00,000 at 7.5% p.a.
Grows to ₹10,00,000 over the same roughly 115-month doubling period.
Understanding the KVP Calculator
What Kisan Vikas Patra is
Kisan Vikas Patra (KVP) is a certificate savings scheme offered by India Post and guaranteed by the Government of India. Its defining feature is simple: the money you invest doubles over a fixed period at a government-set rate. At the current rate of 7.5% per annum, compounded annually, that doubling takes about 115 months — roughly 9 years and 7 months. Because the return is fixed and sovereign-backed, the outcome is completely predictable from the day you invest, which appeals to risk-averse savers.
How the doubling works
KVP compounds your money annually at the prevailing rate. The time it takes to double follows a straightforward mathematical identity — t = ln(2) ÷ ln(1 + r) — where r is the annual rate. The calculator uses this to show the exact doubling period for any rate you enter, then charts the balance growing year by year until it reaches twice your investment. Whenever the government revises the KVP rate (reviewed quarterly), the doubling period shifts accordingly, but the rate in force when you buy a certificate stays locked for its whole term.
The tax treatment — read this carefully
This is where KVP differs sharply from schemes like NSC and PPF:
- KVP offers no Section 80C deduction. The amount you invest gives you no tax break at all.
- The interest is fully taxable as "Income from Other Sources" at your slab rate.
- There is no TDS at the Post Office, so the onus is on you to declare the interest and pay tax on it.
So while the "double your money" headline is attractive, the post-tax return is lower than the gross rate suggests, especially for savers in higher tax brackets.
Who KVP suits
KVP fits conservative investors who want a safe, predictable, lump-sum growth product and do not need liquidity for several years. There is a lock-in of 30 months before premature encashment is allowed, so it is unsuitable for short-term or emergency funds. It can be transferred between people and Post Offices and pledged as collateral for a loan.
If your goal is tax saving, NSC or PPF are better choices — both offer 80C deductions, and PPF's returns are entirely tax-free. Choose KVP mainly when you value certainty and capital safety over tax efficiency, and when you can comfortably park the money for close to a decade.
Pros
- Sovereign-backed and completely safe, with a guaranteed doubling of your money.
- Fully predictable outcome — you know the exact maturity value from day one.
- Low entry barrier of ₹1,000 with no upper investment limit.
- No TDS is deducted at the Post Office, aiding cash flow.
- Can be transferred between people and Post Offices, and pledged as loan collateral.
Cons
- No Section 80C deduction — you get no tax break on the amount invested.
- Interest is fully taxable at your slab rate, reducing the effective return.
- Long doubling period (~115 months) with a 30-month lock-in before premature exit.
- Returns may barely outpace inflation, limiting real wealth creation.
Tips
- 1Use KVP only for safe, goal-based lump-sum saving — not as a tax-saving tool.
- 2If you want an 80C deduction with similar safety, compare NSC before choosing KVP.
- 3Remember the interest is taxable each year; set aside for the tax so maturity is not a surprise.
- 4Lock in when rates are high — the rate on your purchase date stays fixed for the full term.
- 5Keep the certificate safe or hold it in electronic form; it can be pledged for a loan if needed.
Frequently asked questions
Everything you need to know about the KVP Calculator.
What is Kisan Vikas Patra (KVP)?
How long does KVP take to double my money?
What is the current KVP interest rate?
Does KVP qualify for a Section 80C deduction?
Is KVP interest taxable?
Is TDS deducted on KVP?
What is the minimum and maximum I can invest in KVP?
Can I withdraw KVP before maturity?
Is KVP safe?
How is KVP different from NSC?
Methodology & sources
How the KVP Calculator is calculated, and where the underlying rules come from.
How we calculate it
Every result is produced by a single, shared and tested financial-formula library used across the whole site — so the maths is consistent from one calculator to the next. Figures are estimates based on the inputs you enter and standard assumptions (such as regular compounding and constant rates); real-world outcomes vary with taxes, fees and changing rates. All calculations run in your browser — nothing you type is stored or sent to a server.
Editorial policy & disclaimer. FinCalcHub provides free educational tools and estimates — not personalised financial, tax or investment advice. Verify important decisions with a qualified professional. Read our editorial approach, disclaimer and privacy policy.
Last reviewed for accuracy on .
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