A free inflation calculator that shows what any dollar amount from 1913 through 2024 is worth in today money, using official US Consumer Price Index data.
Enter an amount, pick a starting year and an ending year, and the tool converts it instantly. Use it to see what your grandparents salary would be today, whether a raise actually kept pace with rising costs, or how much buying power a savings account quietly gave up while it sat there.
Below the calculator you will find a plain language guide to how inflation works, tables showing what 100 dollars from past decades is worth now, recent annual inflation rates, the formula for figuring it yourself, and answers to the questions people ask most.
Inflation Calculator
What Is Your Money Worth?
See how the buying power of a dollar has changed over the years, using the official US Consumer Price Index. Enter an amount and pick two years.
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How This Inflation Calculator Works
The calculator uses the Consumer Price Index for All Urban Consumers, the yardstick the US Bureau of Labor Statistics has kept since 1913. The index tracks what a fixed basket of goods and services costs in a given year, covering groceries, rent, gas, medical care, clothing, and the rest of a typical household budget.
To compare two years, the tool divides the later index number by the earlier one and applies that ratio to your amount. Because the data runs from 1913 through 2024, you can line up almost any two years in modern American history and see the gap in plain dollars.
This inflation calculator uses annual averages, not month by month figures. It is built for general reference and education, not for tax filings, legal settlements, or investment decisions. It is not financial advice.
What Inflation Actually Does to Your Money
Inflation is a rise in the general price level, which is the same thing as a fall in what each dollar can buy. The bill in your pocket keeps its number. What changes is how much it drags home from the store.
That distinction matters more than most people realize. Money sitting still in a checking account is not holding steady. It is quietly shrinking in real terms every year, even though the balance never drops. At roughly 3 percent inflation, prices double in about 24 years, which means a dollar saved today buys around half as much by the time a young worker reaches middle age.
Across the full record from 1913 to 2024, US prices rose about 3.2 percent per year on average. One dollar in 1913 does the work of roughly 31 dollars and 69 cents today.
What 100 Dollars From the Past Is Worth Today
Here is how far 100 dollars stretched in a handful of past years, converted into 2024 dollars.
Year
Value of 100 dollars in 2024 dollars
1920
1,568
1950
1,302
1970
808
1980
381
1990
240
2000
182
2010
144
2020
121
Read that last row slowly. It takes about 121 dollars today to match what 100 dollars covered in 2020. That is a 21 percent bite in only four years, which explains why so many household budgets started feeling tight during that stretch even when income had not dropped.
Recent US Inflation Rates by Year
Year
Annual inflation rate
2020
1.2%
2021
4.7%
2022
8.0%
2023
4.1%
2024
2.9%
The 2022 figure was the steepest yearly jump since the early 1980s. Notice something important about the years after it, though. The rate came down, but prices did not. A falling inflation rate only means costs are climbing more slowly. Prices going back down would take actual deflation, which is rare and usually arrives with problems of its own.
How to Calculate Inflation Yourself
The formula behind the tool is short enough to run on paper. Divide the newer year index by the older year index, then multiply by your amount.
Say you want to know what 500 dollars from 1990 is worth in 2024. The index was 130.7 in 1990 and 313.7 in 2024. Divide 313.7 by 130.7 to get about 2.4, then multiply 500 by 2.4 for roughly 1,200 dollars.
To get the inflation rate between two years instead, subtract the old index from the new one, divide by the old index, then multiply by 100. Our percentage calculator handles that step if you would rather not do it by hand.
Why Your Personal Inflation Rate Is Different
The published number describes an average household, and almost nobody is average. Your own rate depends on where your money actually goes.
Renters versus owners. Someone with a fixed mortgage feels housing inflation very differently than someone facing a new lease each year.
Commuters. A long drive to work makes gas prices a much bigger slice of your personal index.
Families with young children. Childcare and education have climbed faster than the overall basket for decades.
Retirees. Medical care carries heavy weight in a retirement budget and tends to outpace general inflation.
Region. Costs in a high demand metro area can move at a different pace than a small town two states away.
If your spending leans hard into one of the faster moving categories, the official rate will feel too low, and you are not imagining it.
How People Try to Stay Ahead of Inflation
There is no single right answer here, and what fits depends on your timeline, your income, and how much risk you can stomach. These are the common approaches, offered as general information rather than a recommendation.
Not holding large sums in cash for years. Cash is the one asset guaranteed to lose real value at exactly the inflation rate.
Interest that beats the rate. A savings account paying less than inflation is still losing ground in real terms, even though the balance grows.
Assets that tend to move with prices. Stocks, real estate, and inflation protected bonds have historically responded to rising prices, though none of them guarantee it in any given year.
Fixed rate debt. Borrowing at a fixed rate means you repay later with dollars that are worth less than the ones you borrowed.
Raises that keep pace. A 2 percent raise in a 4 percent inflation year is a pay cut wearing a nicer label.
Anything involving your actual savings is worth discussing with a licensed financial professional who knows your full picture.
Frequently Asked Questions
What years does this inflation calculator cover?
Every year from 1913 through 2024. That is the full span of the official Consumer Price Index record in the United States.
Where does the data come from?
The US Bureau of Labor Statistics, using annual average CPI-U values. These are the same figures cited in government reports and news coverage of inflation.
What is a normal inflation rate?
The Federal Reserve targets about 2 percent per year as a healthy pace. The long run American average sits closer to 3.2 percent, since that figure includes some unusually hot stretches such as the 1970s and the early 1980s.
Is inflation the same as the cost of living?
They are close cousins but not twins. Inflation measures price changes for a fixed basket of goods. Cost of living also reflects how people shift their habits when prices move, such as switching brands or driving less.
Why do prices feel higher than the official rate says?
Because the items you buy most often, like groceries and gas, are the ones you notice, while the basket also includes things that barely changed or even got cheaper. Frequent small purchases shape your gut sense of prices far more than the math does.
Is this inflation calculator free?
Yes. No account, no email, and no usage limit. The calculation runs in your browser and nothing you enter is stored or sent anywhere.
