Inflation Calculator
Calculate the future value of money or find what past amounts are worth today. Understand the true impact of inflation on your purchasing power.
Calculate Inflation Impact
Use India's average CPI inflation rate of ~6% or enter a custom rate for your analysis.
What is Inflation?
Inflation is the rate at which the general level of prices for goods and services rises over time, which correspondingly decreases the purchasing power of money. In India, inflation is measured by the Consumer Price Index (CPI) published by the Ministry of Statistics.
India's Inflation History
- Average CPI inflation: ~6% per year over the last decade
- Food inflation: ~7–8% — rises faster than headline inflation
- Education inflation: ~10–12% — tuition and school fees rise sharply
- Healthcare inflation: ~10–14% — medical costs are rising rapidly
- Real estate: ~5–8% in most metros
Why This Matters for Investment Planning
- If inflation is 6%, your savings need to grow at more than 6% just to maintain purchasing power
- Fixed deposits at 6.5% barely beat inflation — your real returns are near zero
- Equity investments (Nifty 50 CAGR ~12%) provide better inflation-adjusted returns
- Retirement corpus planning must account for 20–30 years of inflation erosion
Inflation Formula
Future Value = Present Value × (1 + Inflation Rate)^Years
For example, a ₹50,000 car today will cost ₹89,542 in 10 years at 6% inflation. Planning with this formula ensures your savings target is realistic.
Nominal vs Real Returns
The return your bank or fund advertises is the nominal return — it ignores inflation. Your real return is what actually grows your purchasing power, calculated roughly as nominal return minus inflation. If a fixed deposit pays 6.5% while inflation runs at 6%, your real return is just 0.5% — your money is barely keeping up. If inflation is higher than your return, you are effectively losing purchasing power even though your account balance is growing. Always evaluate investments on their real, inflation-adjusted return, not the headline number.
The Rule of 70 — How Fast Prices Double
A quick way to gauge inflation's impact is the Rule of 70: divide 70 by the inflation rate to find how many years it takes for prices to double. At 6% inflation, prices double in about 70 ÷ 6 ≈ 12 years. That means something costing ₹100 today will cost ₹200 in just over a decade — a sobering reminder for anyone planning long-term goals like retirement or a child's education.
How to Protect Your Money From Inflation
- Invest in growth assets: Equities and equity mutual funds have historically outpaced inflation over the long term, unlike cash in a savings account.
- Avoid holding large idle cash: Money sitting in a low-interest account silently loses value every year.
- Factor inflation into goals: When planning for a future expense, inflate today's cost to its future value before deciding how much to save.
- Review periodically: Revisit your salary, rent, and investment returns against current inflation so you do not fall behind.
Frequently Asked Questions — Inflation Calculator
India's average CPI (Consumer Price Index) inflation has been approximately 5–6% per annum over the last decade. However, specific categories inflate faster: food at 7–8%, education at 10–12%, and healthcare at 10–14% per year. For financial planning, using 6% as a baseline is reasonable for general expenses, but use higher rates for education and healthcare goals.
Inflation erodes the purchasing power of money over time. If your savings earn 6% but inflation is also 6%, your real return is zero — you're not growing wealthier, just maintaining purchasing power. Fixed deposits (6–7%) barely beat inflation after tax. To build real wealth, you need investments that outpace inflation significantly — equity mutual funds (Nifty 50 historical CAGR ~12%) are the most common inflation-beating investment for Indian investors.
Nominal return is the stated return without adjusting for inflation (e.g., FD at 7%). Real return is the return after subtracting inflation: Real Return ≈ Nominal Return − Inflation Rate. So an FD at 7% with 6% inflation gives only ~1% real return. A mutual fund returning 12% with 6% inflation gives ~6% real return. Always evaluate investments on real returns for accurate wealth-building assessment.
The formula is: Future Value = Present Value × (1 + Inflation Rate)^Years. For example, ₹1,00,000 today at 6% inflation will cost ₹1,79,085 in 10 years. This means you need ₹1.79 lakh in 10 years to buy what ₹1 lakh buys today. Use this to plan for retirement corpus, children's education costs, and major purchases.
Education costs in India have been rising at 10–12% per year — roughly double the general CPI. A college course costing ₹5 lakh today will cost ₹13 lakh in 10 years at 10% inflation. This is why starting early with SSY, SIP, or education-focused investments is critical. Always use a sector-specific inflation rate (not general CPI) when planning for education goals.
Your retirement corpus must generate returns that exceed inflation to provide a sustainable income. The "4% rule" suggests withdrawing 4% annually from your corpus — but with India's higher inflation (~6%), a safer withdrawal rate is 3–3.5%. Use our Retirement Calculator to compute the exact corpus needed, factoring in current expenses, years to retirement, expected inflation, and expected post-retirement returns.