Ask your parents what a cinema ticket, a plate of samosas or a litre of petrol cost when they were young, and you'll hear numbers that sound unbelievable today. That's inflation: prices rising slowly year after year, so the same rupee buys a little less. It's easy to ignore in any single year, but over 10 or 20 years it changes everything – from how much you need for retirement to whether your "safe" savings are actually growing. This guide shows the effect with real numbers and explains what you can do about it.
What is inflation?
Inflation is the rate at which the general level of prices rises. In India it's usually measured by the Consumer Price Index (CPI), which tracks the prices of a basket of everyday goods and services – food, fuel, housing, clothing, education, healthcare and more. The Reserve Bank of India aims to keep CPI inflation around 4%, within a band of 2% to 6%. Your personal inflation can be higher or lower depending on what you spend on – education and healthcare costs, for example, have often risen faster than the average.
What ₹1 lakh will be worth
If inflation averages 6% a year, then in 10 years ₹1,00,000 will buy only what about ₹55,800 buys today. At 5% inflation, it's about ₹61,400. The money is still ₹1 lakh – it just buys less.
Looked at the other way, something that costs ₹1,00,000 today would cost:
| Years from now | At 5% inflation | At 6% inflation |
|---|---|---|
| 10 years | ₹1,62,889 | ₹1,79,085 |
| 20 years | ₹2,65,330 | ₹3,20,714 |
The formula is simple: Future cost = Today's cost × (1 + inflation)years. You can use our CAGR calculator in "future value" mode with the inflation rate as the growth rate to try your own numbers.
Why it matters for your goals
- Retirement: if your household spends ₹30,000 a month today, the same lifestyle would cost about ₹96,000 a month in 20 years at 6% inflation. Retirement plans that ignore this end up far short.
- Children's education: fees have often risen faster than general inflation, so education goals need extra room.
- Buying a house or car: a target price set today will be higher when you're ready to buy.
Real return: what you actually earn
The interest rate on your savings is the nominal return. What matters is the real return – how much more you can actually buy:
Real return ≈ (1 + nominal return) ÷ (1 + inflation) − 1
Example: an FD pays 7% and inflation is 5%. The real return is 1.07 ÷ 1.05 − 1 ≈ 1.9%. Now add tax: if you're in the 30% tax slab, the 7% interest becomes about 4.9% after tax – and the real return drops to roughly 0%. Your money is safe, but it's barely growing in buying power.
A savings account paying 2.5–3% while inflation runs at 5% has a negative real return: every year, the money quietly buys less.
What you can do
- Keep the right money in the right place. Emergency money and short-term goals belong somewhere safe, like a savings account or fixed deposit, even if the real return is low – safety matters most there.
- Invest long-term money for growth. For goals 7–10+ years away, many people use a mix of assets such as equity mutual funds, which have historically had a better chance of beating inflation over long periods – with more ups and downs. A SIP is a common way to invest regularly.
- Plan with inflation-adjusted targets. When you set a goal, increase today's cost by expected inflation first.
- Increase your savings with your income. A yearly step-up in your SIP or savings helps you keep pace as prices rise.
- Mind the tax. Post-tax, post-inflation returns are what really count.
Frequently asked questions
What will ₹1 lakh be worth in 10 years?
At 6% inflation, ₹1 lakh in 10 years will buy what about ₹55,800 buys today. At 5% inflation, about ₹61,400.
What is the RBI's inflation target?
The Reserve Bank of India targets CPI inflation of 4%, with a tolerance band of 2% to 6%.
What is a real rate of return?
It is your return after adjusting for inflation. A 7% return with 5% inflation is roughly a 1.9% real return.
Do fixed deposits beat inflation?
Sometimes only slightly before tax, and often not after tax for people in higher tax slabs. FDs are best valued for safety rather than long-term growth.