SIP Calculator With Inflation

See the real value of your SIP returns after accounting for rising prices. Estimate future investment value and its purchasing power in today's terms.

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Investment Details

Monthly SIP Amount

₹

Investment Period

years

Expected Returns (%)

Annual Step-Up (%)

Inflation Rate (% p.a.)

Estimated Maturity Value

₹ 0

Total Investment

₹ 0

Wealth Gained

₹ 0

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Growth Trajectory

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Asset Allocation

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Invested

Est. Returns

Yearly Investment Growth Breakdown

See exactly how your invested principal and compounded future value grow year over year.

You can also download this data as an SIP calculator Excel sheet with inflation for offline reference and planning.

Year	Invested	Maturity
Enter values to see your year-wise breakdown.

Enter values to see your year-wise breakdown.

calendar_todayLast Updated: 2026•personBy Mohit Aggrawal•fact_checkMethodology Reviewed

A SIP calculator with inflation helps you understand what your investment could be worth in the future after considering the effect of rising prices. A SIP projection may show that you could accumulate a large amount after several years, but that future amount will not have the same purchasing power as the same amount today.

This calculator lets you estimate your SIP's future value and then see how inflation can affect its purchasing power. You can enter your monthly SIP amount, investment period, expected return, annual step-up percentage, and an assumed inflation rate to see both the projected investment value and its estimated real worth in today's money.

Why Should You Adjust SIP Returns for Inflation?

When you invest through a SIP, the returns compound over time and grow your money in nominal terms. But inflation also rises over the same period, which means the goods and services you plan to buy in the future will generally cost more than they do today.

For example, if someone expects to accumulate ₹1 crore after 20 years, that does not mean the future ₹1 crore will buy the same amount of goods and services as ₹1 crore today. At 6% inflation, ₹1 crore in 20 years has the estimated purchasing power of approximately ₹31.18 lakh in today's money.

This calculator therefore helps you understand both:

Projected investment value — the estimated future value of your SIP based on assumed returns
Estimated value in today's purchasing power — what that future amount could be worth in today's terms after adjusting for assumed inflation

The inflation-adjusted value is an estimate based on the inflation assumption you enter. Actual inflation may vary.

How to Use the SIP Calculator With Inflation

Step 1: Enter your monthly SIP

Enter the amount you plan to invest each month. For example, ₹10,000. This is the starting monthly contribution before any annual step-up.

Step 2: Enter your investment period

Enter how many years you plan to stay invested. For example, 20 years. Longer periods generally allow more time for compounding, but also give inflation more time to affect purchasing power.

Step 3: Enter expected return

Enter the assumed annual return rate. For example, 12%. This is only an assumption — actual mutual fund returns depend on market performance and may be higher or lower than the assumed rate.

Step 4: Enter annual step-up (optional)

If you plan to increase your SIP each year, enter the step-up percentage. For example, 10% means your SIP increases by 10% every year. Enter 0% if you want a regular flat SIP.

Step 5: Enter expected inflation

Enter the assumed annual inflation rate. For example, 6%. This means prices are assumed to increase by approximately 6% per year for the calculation. The calculator will use this to estimate what your future investment value would be worth in today's purchasing power.

Understanding the results

After clicking Calculate, you will see the estimated maturity value (the projected future value of your SIP), total amount invested, wealth gained, and the inflation-adjusted value (what the future amount could be worth in today's money). Below the results, a growth chart and year-by-year breakdown show how the investment is projected to grow over time.

SIP Calculator With Inflation Example

Here is a simple example to show how the calculator works:

Inputs: ₹10,000 monthly SIP · 20-year investment period · 12% expected annual return · 0% step-up · 6% assumed inflation

Metric	Value
Total Amount Invested	₹24,00,000
Estimated Future Value	₹91,98,574
Estimated Nominal Returns	₹67,98,574
Inflation-Adjusted Value (Today's Purchasing Power)	₹28,68,159
Difference Between Future Value and Today's Purchasing Power	₹63,30,415

Notice that while the SIP is projected to grow to nearly ₹92 lakh, its estimated purchasing power in today's money is approximately ₹28.68 lakh. The difference shows the estimated impact of 6% inflation over 20 years.

How Does Inflation Affect SIP Returns?

Inflation means the same amount of money usually buys fewer things in the future. When you invest through a SIP, your money grows through compounding. But if prices also rise over the same period, the real value of your future corpus — what it can actually buy — is lower than the nominal number suggests.

The basic inflation-adjustment relationship is:

Inflation Adjustment Formula

Inflation-Adjusted Value = Future Value ÷ (1 + Inflation Rate)^{Number of Years}

Future Value = projected investment value from your SIP

Inflation Rate = assumed annual inflation (e.g., 6% = 0.06)

Number of Years = investment period

For example, if your SIP is projected to grow to ₹1 crore after 20 years and inflation is assumed to be 6%, the estimated purchasing power today would be: ₹1,00,00,000 ÷ (1.06)²⁰ = ₹1,00,00,000 ÷ 3.2071 ≈ ₹31,18,047.

This is a simplified calculation. The actual purchasing power depends on the specific goods and services you plan to buy and how their prices change over time.

Nominal Returns vs Inflation-Adjusted Returns

It is important to understand the difference between nominal and real (inflation-adjusted) returns when evaluating your SIP projections.

Nominal return is the investment growth before accounting for inflation. If your SIP grows from ₹10 lakh to ₹50 lakh, your nominal return is ₹40 lakh.

Real return considers the effect of inflation on purchasing power. It tells you what your investment growth is worth in today's terms.

If an investment grows at 12% and inflation is 6%, the real return is not simply "12% minus 6%". The more precise annualized real-return calculation is:

Real Return Formula

Real Return = ((1 + Nominal Return) / (1 + Inflation Rate)) - 1

For 12% nominal return and 6% inflation:

Real Return = (1.12 / 1.06) - 1 = 0.0566 = 5.66%

This is a simplified annualized concept. The actual SIP outcome depends on the timing of each monthly investment and how compounding works over the full period. The calculator accounts for this by computing month-by-month compounding before applying the inflation adjustment.

What Will ₹1 Crore Be Worth in Today's Money?

This table shows the estimated purchasing power of ₹1 crore in today's money, depending on the assumed inflation rate and time horizon:

Inflation Rate	After 10 Years	After 20 Years	After 30 Years
4%	₹67,55,642	₹45,63,869	₹30,83,187
5%	₹61,39,133	₹37,68,895	₹23,13,774
6%	₹55,83,948	₹31,18,047	₹17,41,101
8%	₹46,31,935	₹21,45,482	₹9,93,773

Key takeaway: At 6% inflation, ₹1 crore in 20 years has the estimated purchasing power of approximately ₹31.18 lakh today. At 8% inflation over 30 years, the same ₹1 crore could be worth less than ₹10 lakh in today's terms. This is why understanding inflation-adjusted values matters for long-term financial planning.

Why Inflation Matters for Long-Term SIP Investments

Inflation is especially important when planning for long-term financial goals because the impact compounds over time. The longer the time horizon, the greater the gap between the nominal future value and its real purchasing power.

Consider these common long-term goals:

Retirement — If you need ₹50 lakh today to cover retirement expenses, the amount required 15–20 years from now could be significantly higher because of inflation. Planning only for today's cost may leave you short.
Children's education — Education costs tend to rise over time. The fees for a professional course that costs ₹20 lakh today could be much higher when your child is ready to enroll.
Buying a house — Property prices generally rise with inflation. The target amount you need 10–15 years from now may differ considerably from today's property prices.
Financial independence — Building enough wealth to sustain your lifestyle requires accounting for the rising cost of living over decades.

This calculator helps you set more realistic targets by showing what your future investment corpus could actually be worth in today's purchasing power.

Inflation-Adjusted SIP for Different Financial Goals

Retirement

Retirement planning should consider the future cost of living rather than today's expenses. If your current annual expenses are ₹8 lakh, the amount needed to maintain the same lifestyle 20 years from now could be much higher at even moderate inflation. Use this calculator to estimate what your retirement SIP corpus could be worth in today's purchasing power.

Children's Education

Education costs can rise faster than general inflation in some cases. Planning only for today's cost may underestimate the required corpus. If a professional course costs ₹25 lakh today, the estimated cost 15 years from now could be significantly higher at 6–8% inflation.

House Purchase

If you are saving for a home down payment, the future target amount may differ from today's property price. The inflation-adjusted calculator helps you understand what your current SIP savings could actually be worth when you are ready to buy.

Step-Up SIP and Inflation

A step-up SIP lets you increase your monthly contribution annually, which helps you invest more as your income grows. This is especially useful when planning for goals where inflation pushes the required target higher over time.

While a higher step-up increases your nominal investment amount, it does not automatically solve the inflation problem. The inflation adjustment applies to whatever final corpus you accumulate, regardless of how much you stepped up. Both concepts — step-up and inflation adjustment — address different aspects of financial planning: step-up helps you invest more, while inflation adjustment helps you understand what your future corpus could actually buy.

If you want to see how increasing your SIP every year changes the projected corpus, try our Step-Up SIP Calculator.

Important Assumptions

SIP returns are not guaranteed. The expected return rate is only an assumption used for estimation.
Inflation is also an assumption. Actual inflation may be higher or lower than the rate entered.
Mutual fund returns vary over time depending on market conditions.
The calculator uses monthly compounding for SIP projections.
The inflation adjustment uses a standard present-value formula and provides an estimate, not a guarantee.
The calculator is intended for estimation and educational purposes only.
Actual investment outcomes may differ significantly from the projected values shown.

Related Calculators

Explore our other calculators to plan your investments more effectively:

Step-Up SIP Calculator — See how increasing your SIP every year affects projected returns.
Step-Up SIP vs Regular SIP Calculator — Compare a regular SIP with a step-up SIP side by side.
Step-Up SIP Calculator with Initial Investment — Include your existing lumpsum investment in the projection.
Inflation-Adjusted SIP Calculator with Tax — Factor in capital gains tax (LTCG/STCG) along with inflation.
Step-Up SIP for Retirement Calculator — Plan your retirement corpus with step-up contributions.
SIP Calculator Excel Template — Download a free Excel template for offline SIP planning.

Frequently Asked Questions

Answers to common questions about the SIP Calculator With Inflation.

What is an inflation-adjusted SIP calculator?expand_more

An inflation-adjusted SIP calculator is a financial tool that estimates your SIP's future value and then adjusts it for inflation to show what that amount would be worth in today's purchasing power. A standard SIP calculator may show a large future number, but that number will not buy the same goods and services in the future as it would today. This calculator helps you see both the projected investment value and its estimated real value after accounting for rising prices.

Why should I consider inflation when calculating SIP returns?expand_more

Inflation reduces the purchasing power of money over time. If your SIP grows at 12% annually but inflation runs at 6%, the real value of your future corpus is lower than the nominal number suggests. Without accounting for inflation, you may overestimate what your investments will actually be able to buy. This calculator helps you plan with more realistic numbers by showing the estimated purchasing power of your future investment value.

How is SIP value adjusted for inflation?expand_more

The calculator first projects your future SIP value using standard compounding. Then it applies an inflation adjustment using the formula: Inflation-Adjusted Value = Future Value ÷ (1 + Inflation Rate)^Number of Years. This converts your projected future amount into an estimate of what that money would be worth in today's terms.

What is the difference between nominal and real returns?expand_more

Nominal return is the investment growth before accounting for inflation. Real return considers the effect of inflation on purchasing power. For example, if your investment grows at 12% and inflation is 6%, the approximate real return is not simply 12% minus 6%. The more precise calculation is: Real Return = ((1 + Nominal Return) / (1 + Inflation Rate)) - 1, which gives approximately 5.66% in this case.

What inflation rate should I use?expand_more

There is no single correct inflation rate for all situations. For Indian investors, the Reserve Bank of India targets an inflation rate of 4% with a tolerance band of +/- 2%, so 5% to 7% is a commonly used range for long-term planning. However, the appropriate assumption depends on the purpose and time horizon of your calculation. Our calculator lets you test different rates so you can compare outcomes.

Can inflation reduce the value of my SIP returns?expand_more

Yes. Even if your SIP investments grow in nominal terms, high inflation can significantly reduce what that future amount will actually buy. For example, at 6% inflation, ₹1 crore in 20 years has the purchasing power of approximately ₹31.18 lakh in today's money. This is why accounting for inflation matters, especially for long-term financial goals.

Is the SIP return guaranteed?expand_more

No. The calculator uses assumed rates of return and inflation to estimate future values. Actual mutual fund returns depend on market performance and can be higher or lower than the assumed rate. Inflation also varies over time. The projections are for estimation and educational purposes only.

Can I use this calculator for retirement planning?expand_more

Yes. Enter your expected monthly SIP, the number of years until retirement, your expected return rate, and the assumed inflation rate. The calculator will show both the projected future value and its estimated purchasing power in today's terms, which is especially useful for retirement planning where the goal is often expressed in today's money.

Can I use the calculator with a Step-Up SIP?expand_more

Yes. This calculator includes an annual step-up option. If you want to see how increasing your SIP every year changes the projected corpus, enter a step-up percentage. For a dedicated Step-Up SIP comparison, you can also try our Step-Up SIP Calculator.

Can I use this calculator for SIPs with SBI Mutual Fund or other AMCs?expand_more

Yes. This calculator is independent of any specific fund house. It works based on the numbers you enter (SIP amount, step-up percentage, expected return, tenure, and inflation rate), regardless of whether your actual investment is with SBI Mutual Fund, HDFC, ICICI Prudential, or any other AMC.

Can I download the calculation as Excel?expand_more

Yes. After calculating, click the Download Excel button to get a spreadsheet with your input parameters, summary results, and year-by-year breakdown including inflation-adjusted values.

The calculators, charts, and projections provided on Step-Up SIP are for illustrative and educational purposes only. They do not constitute financial advice, investment recommendations, or an offer to buy or sell any mutual fund schemes or securities.