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Inflation Calculator India

Everyday

See what today's expense will cost you after inflation. Enter the current cost, inflation rate and years to get the future cost in rupees instantly.

Reviewed by the thecalcu.com team · Last updated 30 July 2026

🇮🇳This tool is specific to India

one lakh rupees

₹100₹1,00,00,000
120
150

Future Cost

₹1.79 L
Cost Increase
₹79,085
Total Inflation
79.08%
Purchasing Power Lost
44.16%

This calculator computes your Future Cost, Cost Increase, Total Inflation, Purchasing Power Lost from the values you enter.

Inputs
Current CostExpected Inflation RateTime Period
Outputs
Future CostCost IncreaseTotal InflationPurchasing Power Lost

What is a Inflation?

The Inflation Calculator India projects what a current expense will cost after a chosen number of years of inflation, using the same compounding math that governs investment growth, just running in the opposite direction, against your money's buying power instead of for it. Enter today's cost of anything, from a monthly grocery bill to a child's college tuition, and see what it becomes at 6%, 8%, or any inflation rate you choose.

Most financial planning mistakes in India come from anchoring to today's numbers. A retirement corpus that comfortably covers ₹50,000 a month right now can fall badly short 25 years out, once inflation has quietly doubled or tripled the cost of living. This calculator exists to catch that gap before it becomes a real problem, and it pairs naturally with the SIP Calculator, which shows what a monthly investment grows to over the same horizon.

Why Use an Inflation Calculator?

It's easy to save toward a number that sounds big today and turns out to be modest by the time you actually need it. Say you're planning for a child's education that currently costs ₹10,00,000, at 8% inflation over 15 years, that cost roughly triples to about ₹31,70,000. Without running the numbers, a parent might save toward the wrong target entirely.

The same logic applies to retirement: your current monthly expenses are the wrong number to plan against if retirement is 20 or 30 years away. Feed today's cost into this calculator, then use the result as the real, inflation-adjusted target for your PPF or NPS planning.

Who Should Use This Calculator?

Retirement planners need to know what their current monthly expenses will actually cost by the time they stop working, not what they cost today. Parents saving for education can project tuition and related costs years or decades ahead, where inflation in this category has historically run hot. Anyone comparing a fixed-return investment to a variable one can check whether the fixed return actually beats inflation, or just keeps pace with it. People negotiating a salary or planning a long-term budget get a concrete sense of how much prices are likely to rise before their next major decision point. Once you have a future cost figure, the SIP Calculator shows what monthly investment gets you there.

What Insights Does the Inflation Calculator Give You?

Future Cost is the headline number, what your entered expense is projected to cost after the chosen number of years at your chosen inflation rate.

Cost Increase is the rupee gap between today's cost and the future cost, useful for sizing exactly how much more you'll need to budget for.

Total Inflation expresses that same gap as a percentage of the current cost, which is often the more intuitive way to communicate "how much more expensive" something has become.

Purchasing Power Lost flips the perspective to your money rather than the expense, it shows how much of a rupee's real value has eroded over the period, which is the number that matters most when you're deciding how much to save, not just how much things will cost.

How to use this Inflation calculator

  1. Enter the Current Cost of the expense you want to project, a monthly budget, a lump-sum cost, or anything else.
  2. Set the Expected Inflation Rate, 6% is a reasonable general-purpose default for India, but adjust it for specific categories like education or healthcare.
  3. Choose the Time Period in years, match it to your actual planning horizon, such as years to retirement.
  4. Review the Future Cost result, which updates instantly as you adjust any input.
  5. Check Cost Increase and Total Inflation to see the gap in both rupee and percentage terms.
  6. Use the Future Cost figure as your real savings target in the SIP Calculator, PPF Calculator, or NPS Calculator.

Formula & Methodology

Future cost:

Future Cost = Current Cost × (1 + r)ⁿ

where r is the annual inflation rate and n is the number of years.

Total inflation:

Total Inflation % = [(Future Cost − Current Cost) ÷ Current Cost] × 100

Worked example: ₹1,00,000 current cost, 6% inflation, 10-year period:

- Future Cost = ₹1,00,000 × (1.06)¹⁰ ≈ ₹1,79,085
- Cost Increase = ₹1,79,085 − ₹1,00,000 = ₹79,085
- Total Inflation ≈ 79.1%

Frequently Asked Questions

Inflation is the rate at which prices rise over time, which quietly erodes what a fixed sum of money can buy. ₹1,00,000 today won't buy the same basket of goods in 10 years, this calculator shows exactly how much more that basket will cost, given an inflation rate you choose.
India's long-run CPI inflation has typically averaged 5-7% per year, so 6% is a reasonable default for general planning. For specific categories like education or healthcare, real-world inflation has often run higher, closer to 8-10%, so it's worth adjusting the rate depending on what you're estimating.
Future Cost = Current Cost × (1 + inflation rate)^number of years. It's the same compounding formula used for investment growth, just applied to a rising cost instead of a growing corpus.
It's the percentage of your money's real buying power that's eroded by inflation over the period, if purchasing power lost is 45%, then a rupee today effectively buys 45% less at the end of the period than it does now, even though the rupee amount hasn't changed.
Total inflation is how much the cost itself has risen, expressed as a percentage of the starting cost. Purchasing power lost looks at it from the other direction, showing how much of your money's value has been eaten away, and the two numbers are related but not identical.
Because a retirement corpus that looks comfortable today can fall well short decades from now if it's sized using today's expenses. Run your current monthly costs through this calculator at your expected retirement horizon before you finalise a number with the [SIP Calculator](/in/sip-calculator/) or [NPS Calculator](/in/nps-calculator/).
Yes, enter the current cost of tuition, a procedure, or any specific expense, along with a category-appropriate inflation rate, and the calculator projects what that same expense will cost by your target year.
Generally, yes, since a higher assumed inflation rate pushes up the future cost you're planning against. It's worth stress-testing your retirement or savings plan at a couple of different inflation assumptions rather than relying on a single number.
Enter the Current Cost of whatever expense you're projecting, set the Expected Inflation Rate you want to plan around, and choose the Time Period in years. The Future Cost updates instantly, along with the Cost Increase and the inflation impact in percentage terms.
Use it as the real target for whatever you're saving toward, plug it into the [SIP Calculator](/in/sip-calculator/) as the corpus you're aiming for, or compare it against your projected [PPF](/in/ppf-calculator/) or [NPS](/in/nps-calculator/) maturity amount to check you're actually on track.

Planning this?

This calculator is step 5 of 5 in our Retirement Planner.

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Planning a first investment guide?

This calculator is step 4 of 4 in our First Investment Guide.

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Planning this?

This calculator is step 1 of 4 in our Child Education Planner.

See the full journey →
Also known as
inflation calculator Indiafuture cost calculatorinflation impact calculatorcost of living calculator Indiapurchasing power calculator