Inflation Calculator
See how inflation reduces purchasing power. Find what a past amount is worth today.
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Compound Interest Calculator
Example 1 โ Lump sum, no contributions
A = 1,00,000 ร (1.10)^10 โ โน2,59,374 โ more than 2.5ร growth
๐ What is the Inflation Calculator?
Inflation quietly erodes the purchasing power of money sitting idle, even while the number on a bank statement keeps growing. This calculator runs the calculation in both directions โ projecting a present amount forward to see its future cost, or discounting a future amount back to see what it is genuinely worth in today's money.
โ๏ธ How Inflation is calculated
Forward calculation โ what will this cost in the future
Given a present amount and an assumed annual inflation rate, this calculator compounds that rate forward over the chosen number of years to estimate the equivalent future cost of the same goods or services.
Reverse calculation โ what is a future amount worth today
Given a future amount, this calculator divides by the same compounding factor to discount it back to today's purchasing power โ useful for understanding what a fixed future payout, like an insurance maturity amount, will actually be worth when received.
Why India-specific inflation assumptions matter
India has historically averaged closer to 6โ7% inflation over multi-decade periods, notably higher than the 2โ3% commonly assumed in Western financial planning content โ using a India-appropriate rate produces a meaningfully different, more realistic result.
Future value (forward)
Future amount = present amount ร (1 + rate)^years
Reverse: present value = future amount รท (1 + rate)^years
๐งฎ Worked examples
Example โ forward projection
โน1,00,000 today, projected forward 10 years at 6% inflation.
โ Equivalent future cost โโน1,79,085 โ the same goods and services will cost this much in 10 years at this inflation rate
Example โ reverse discounting
โน1,00,000 expected 10 years from now, discounted back at 6% inflation.
โ Worth only โโน55,839 in today's purchasing power โ illustrating why a fixed future payout loses real value over time
๐ก Original insights & how to use this calculator
Evaluating insurance maturity amounts and fixed future payouts
A policy promising a fixed sum after 15โ20 years often sounds larger than its real value once inflation is accounted for โ use the reverse calculation to see the genuine purchasing power of any fixed future payout.
Setting realistic long-term savings or retirement targets
Any goal calculated in today's rupees needs to be inflated forward to the actual target date, since the real future cost will be meaningfully higher than today's figure for any goal more than a few years away.
Comparing investment returns against inflation honestly
An investment return that does not exceed the inflation rate is not actually growing your wealth in real terms, even though the nominal balance increases โ this calculator makes that gap explicit rather than easy to overlook.
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๐ก Expert tips
3% inflation halves purchasing power in about 24 years.
๐ Learn more on WellFiLab
Visit โโ Common questions
What is normal inflation?
Most central banks target 2%. Above 5% is considered high.
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