Inflation Calculator
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yrs
1 yr40 yrs
Future Cost of This Amount
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Today's Amount
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Lost to Inflation
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What today's amount will feel worth
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Based on the inflation rate you enter — actual inflation varies by year and by what you spend on.
An inflation calculator shows how rising prices erode the purchasing power of money over time. An amount that feels comfortable today will need to be larger in the future just to buy the same things.
This matters directly for financial planning: if you're targeting a fixed rupee amount for retirement or a future goal, inflation means you'll likely need more than you think.
How This Calculator Works
Future cost is calculated as FV = P × (1 + i)t, where i is your assumed annual inflation rate. This tells you what today's amount will cost to replicate in the future.
Frequently Asked Questions
What inflation rate should I use for India?
India's retail inflation (CPI) has generally ranged between 4–7% annually in recent years, though it varies by year and by what you're buying. A commonly used long-term planning assumption is around 6%.
Why does my retirement corpus need to be so much bigger than I expected?
Because inflation compounds just like investment returns do. Over a 20–30 year retirement horizon, even moderate inflation dramatically increases the rupee amount you'll need.
How is this different from the Real Return Calculator?
This calculator shows the erosion of a fixed amount over time. The Real Return Calculator shows how inflation eats into your investment returns specifically.