- Share.Market
- 9 min read
- 15 Sep 2025
Inflation refers to the steady rise in the prices of goods and services over time. You can also think of it as a gradual loss in your purchasing power, as it reduces the real value of your income and investments. In simple terms, when inflation occurs, each unit of currency in your hand buys you less than it did before.
Generally, inflation is a broad measure that reflects the overall rise in prices. You can calculate it for both goods, such as groceries, and services, like a haircut. No matter the category, inflation shows you how much more expensive a specific set of goods or services has become over a certain period. You will learn more about what is inflation, how it is calculated, and how it is controlled in this blog. Let’s start!
Understanding Inflation
Inflation is the sustained rise in the general price level of goods and services across an economy, leading to a fall in your purchasing power, meaning your money buys less over time. For example, a pencil used to cost Rs. 2-5, 10 years ago. Now, that same pencil costs Rs. 10-15. So, your money’s purchasing power has gone down because the price of the pencil has increased over time. This is what we call inflation. In essence, it’s a broad measure of how much more expensive everyday life becomes over a period.
It’s not just about a few items getting pricier, like petrol or groceries. Inflation captures the overall trend in prices, based on a basket of goods and services that represents typical household spending. Inflation matters because over time, saved rupees buy fewer goods, eating into living standards, especially for those on fixed incomes. Moderate inflation can also spur spending and borrowing.
This is why investing is important. Making the right investments will ensure that your returns help you combat inflation in the long run.
How is Inflation Measured?
These are the two most commonly used indices to measure inflation:
- Consumer Price Index or CPI: CPI measures the change in the costs that consumers pay for a market basket of services and goods. It is the primary indicator of inflation.
- Wholesale Price Index or WPI: It works in the form of a macroeconomic thermometer and assesses the condition of the economy. This way, WPI assists in bridging the gap between consumer impact and the costs of production.
What is the Inflation Rate?
Before you invest, it’s important to understand what the inflation rate is, as it tells you how quickly prices are rising over time. Specifically, the inflation rate measures the annual increase in inflation, helping you gauge how much your money’s purchasing power might shrink in the future.
Inflation measures how much you have been paying for a basket of goods and services presently compared to what you paid for the same basket the previous year.
For instance, if you paid Rs. 2000 for a basket of goods the previous year, and if you are now paying Rs. 2010 for that same basket, you can conclude that the inflation rate is 0.5%.
What is the Inflation Rate in India?
The annual inflation rate of India dropped to 2.8 per cent in May 2025, the lowest since 2019. It was 3.16 per cent in April.
A quick breakdown will further evaluate the process:
- The retail inflation rate in India, as per the latest data released by the official government sources in May 2025, was 2.82%. The inflation rate in April 2025 was 3.16%. It means that the retail inflation rate in India has reduced this year.
- The housing inflation rate in May 2025 was 3.16%. As compared to the 3.06% of inflation last year, the housing inflation has definitely increased slightly.
- The fuel and light inflation rate for May 2025 is 2.78%.
- Most of the sectors are doing well presently, as far as controlling inflation is concerned.
How to Calculate Inflation Rate?
To know how to calculate the inflation rate, compare the CPI or the price of a basket of goods and services in a couple of different periods.
The formula to calculate the inflation rate percentage is [(Current Price Index – Previous Price Index)/Previous Price Index] x 100.
The Detailed Breakdown
To calculate the inflation rate, consider the detailed breakdown given below:
- Recognise the Relevant Values of CPI: You will require the CPI from both the previous and the current period that you wish to compare.
- Use the Formula: Subtract the CPI of the previous period from the CPI of the current period.
Divide the outcome by the CPI of the previous period and then multiply by 100 to get the result in percentage form.
For instance, if the January CPI was 90 and in February it was 100, then the rate of inflation would be:
[(100 – 90) / 100] * 100 = 10
It will suggest an increase of 10% in the average cost over the month.
Some Vital Considerations
Some key concepts that you must know while gaining financial knowledge in the context of inflation include:
- WPI vs. CPI
Both WPI and CPI are crucial indicators. CPI measures the price inflation that consumers experience and are affected by on a day-to-day basis. WPI, on the other hand, concentrates on the price changes that intermediaries and businesses experience in the supply chain.
- CPI vs. Inflation Rate
The Consumer Price Index (CPI) reflects the overall price level of a specific group of goods and services. In contrast, the inflation rate represents the percentage change in these prices over a certain period.
- Base Year
The base year becomes a point of reference for comparing the growth in the inflation rate over a period. You get a fair idea of how to calculate the inflation rate after studying these factors minutely.
Causes of Inflation
Several aspects of the economy or the market can influence the inflation rate. A few factors that contribute to inflation are:
- An Escalation in Demand
One of the chief factors of inflation is the rising demand for goods and services. When the market fails to fulfil these demands, the prices go up.
- A Hike in Production Costs
If the price of producing goods and services spikes, it causes inflation. It happens as the manufacturing companies increase the cost of products to cover the production cost.
- Decrease In Aggregate Supply
If the supply of goods or services decreases but the demand for them is consistent, it pushes the prices upwards. This phenomenon is referred to as cost-push inflation.
The supply might also be affected due to supply shock events such as natural disasters. In this case, the scarcity of the products increases their prices.
- Huge expectations
Generally, people expect the prices to increase in the future. It also influences their spending behaviour and investment strategies. As consumers reduce their purchases, it eventually increases the inflation rate.
In case of an emergency or a national disaster, people start stocking goods and services, anticipating that they can’t afford to buy them in the future. This also increases the inflation rates.
Beating Inflation
There are several ways of beating inflation. One way to do it is to invest in financial instruments that can either beat or match the rate of inflation in the long run.
For instance, if your investments grow from Rs. 1000 to Rs. 1250 in a year, your return on investment would be 25%. So, if the inflation rate becomes even 20%, you would be earning enough returns to beat inflation.
To stay unaffected by the increasing inflation rates, focus on creating wealth baskets. These wealth baskets provide steady growth to your investments by investing your money into gold, equities, and other asset classes.
The Final Words
Inflation is an economic phenomenon that influences the cost of living, the buying power of living, and general economic stability. It reveals the dynamic relationship among production costs, demand, supply, and monetary policy.
Although moderate inflation is linked with economic growth, volatile or excessive inflation affects market efficiency. Excessive inflation can also undermine the confidence of consumers. As an early investor, you must focus on diversifying your investment portfolio to minimise the risks.
Also, finding ways to maximise the returns to stay afloat, the rate of inflation is equally important. To learn more about different types of investments, you can always refer to platforms such as Share.Market. It will give you a comprehensive idea of how different instruments and investment strategies work!
FAQs
Inflation reduces the real worth of money and its capability to buy goods in the same quantity at a given price. This phenomenon plays a vital role in affecting businesses, people, and the general working of an economy.
It is important to know how to control inflation. To control it, a combination of fiscal and monetary policies is required. Central banks adjust interest rates to regulate the supply of money and influence spending and borrowing in the economy.
Again, governments implement fiscal measures, including increasing or spending taxes and managing inflationary pressures. Improving some supply-side factors, such as encouraging infrastructure and productivity, can also assist in controlling inflation.
Though a bothersome thing for the economy, inflation does not hurt everyone. It turns into a blessing for some people. Though inflation lessens the purchasing power of consumers, it does benefit investors. An investor who invests in inflation-affected assets gains when he holds them for an extended period. For instance, an upsurge in property costs affects buyers too. Yet, people who have purchased a home already benefit due to the capital appreciation.
Disclaimer and Disclosure
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