Enter the amount along with the reference year and target year in the tool, and the calculator will find the buying power of the consumer.
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The buying power calculator determines the equivalent dollar value of any amount of money when compared across different years. This tool helps you see how inflation or deflation affects money over time.
“Buying power represents the amount of goods and services that money can purchase.”
In finance and personal budgeting, buying power indicates how much an individual or business can purchase with their available funds. Tracking buying power is essential because the value of money changes over time due to inflation and other economic factors.
Several factors can affect purchasing power, including:
The formula to determine the equivalent value of money over time is:
Adjusted Amount = Original Amount × (CPI in Target Year ÷ CPI in Reference Year)
This formula allows the purchasing power calculator to show how much an amount of money from one year is worth in another year.
Determine the buying power of $500 from 2010 in 2023 dollars.
Using the buying power formula:
Adjusted Amount = $500 × (304.3 ÷ 218.1)
Adjusted Amount = $500 × 1.395
Adjusted Amount ≈ $697.50
Therefore, $500 in 2010 is equivalent to approximately $697.50 in 2023 dollars.
Using the calculator is simple:
Input:
Output:
Buying power shows how much goods or services a consumer can purchase with their money. When inflation increases, buying power decreases, and when prices fall, buying power increases.
Buying power is the actual amount of money available to spend. Purchasing power refers to how much that money can buy in terms of goods and services.
The table below shows the annual Consumer Price Index (CPI-U) in the United States and the rate of inflation for reference:
| Year | CPI (Average) | Inflation Rate |
| 2000 | 172.2 | 3.4% |
| 2005 | 195.3 | 3.4% |
| 2010 | 218.1 | 1.6% |
| 2015 | 237.0 | 0.1% |
| 2020 | 258.8 | 1.2% |
| 2023* | 304.3 | 4.0% |
You can calculate any year-to-year comparison using an online Buying Power Calculator.
Source: Investopedia – Buying Power
Source: Minneapolis Fed – CPI Data
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