General
Inflation Calculator
See how inflation erodes purchasing power over the years.
Scenario
India CPI avg ~5–6%
Future cost
₹1,79,085
10 years from now at 6% inflation
- Today’s amount
- ₹1,00,000
- Purchasing power lost
- ₹79,085
- Real value of today’s ₹ in future
- ₹55,839
Formula: Future = PV × (1 + i)ⁿ. Real value = PV / (1 + i)ⁿ.
Rising cost over time
Formula
How the math works
Future Cost = PV × (1 + i)ⁿ; Real value today = PV / (1 + i)ⁿ
- PV
- Today’s amount
- i
- Annual inflation rate
- n
- Years
Method
How it works
- 1
Enter today’s amount — the cost of something you plan to buy later.
- 2
Pick an expected inflation rate — India CPI averages 5–6%.
- 3
Set how many years into the future.
- 4
CalcPe shows the future cost and today’s real value of that amount.
Worked example
A quick walkthrough
Inputs
Today’s expense ₹1,00,000 at 6% inflation for 10 years.
Steps
- FV = 1,00,000 × (1.06)¹⁰
- ≈ ₹1,79,085
Result
In 10 years you’ll need ₹1.79 L for what ₹1 L buys today.
Why use it
Why CalcPe’s Inflation Calculator
- Understand the true target for retirement and long-term goals.
- See why parking cash in savings account is a losing game.
- Make investment decisions with real (post-inflation) returns.
- Great teaching tool for personal finance.
FAQ
Frequently asked questions
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