The cumulative inflation rate in the United States between 2003 and 2006 was 9.59%, meaning that overall prices were 1.1 times higher than they were in 2003. In other words, the purchasing power of $2,800 in 2003 was equivalent to $3,068.39 in 2006. The average annual inflation rate over this period was 3.1%.
The chart below shows how the value of $2,800 changes over time when adjusted for inflation, based on Consumer Price Index (CPI) data. All values are equivalent in terms of purchasing power, indicating how much money would be needed each year to buy the same goods or services.
All calculations are performed in US dollars with six-decimal precision, though displayed values are rounded to two decimals for readability. Inflation figures are sourced from official government and international reports released monthly.
The following table contains relevant indicators:
| Indicator | Value |
|---|---|
| Cumulative inflation from 2003 to 2006 | 9.59% |
| Avg. Annual inflation from 2003 to 2006 | 3.1% |
| CPI 2003 | 183.96 |
| CPI 2006 | 201.59 |
There are several ways to calculate the time value of money. Depending on the data available, results can be obtained by using the Consumer Price Index (CPI) formula or the compound interest formula.
When we have both the start and end years, we can use the following formula:
To obtain the values equivalent in buying power between 2003 and 2006, use the corresponding CPI values:
Given that money changes with time as a result of an inflation rate that acts as compound interest, we can use the following formula: FV = PV × (1 + i)n, where:
In this case, the future value represents the final amount obtained after applying the inflation rate to our initial value. In other words, it indicates how much are $2,800 worth today. There are 3 years between 2003 and 2006 and the average inflation rate was 3.0982%. Therefore, we can resolve the formula like this:
| Initial Value | Equivalent value | |
|---|---|---|
| $1 dollar in 2003 | → | $1.1 dollars in 2006 |
| $5 dollars in 2003 | → | $5.48 dollars in 2006 |
| $10 dollars in 2003 | → | $10.96 dollars in 2006 |
| $50 dollars in 2003 | → | $54.79 dollars in 2006 |
| $100 dollars in 2003 | → | $109.59 dollars in 2006 |
| $500 dollars in 2003 | → | $547.93 dollars in 2006 |
| $1,000 dollars in 2003 | → | $1,095.86 dollars in 2006 |
| $5,000 dollars in 2003 | → | $5,479.28 dollars in 2006 |
| $10,000 dollars in 2003 | → | $10,958.55 dollars in 2006 |
| $50,000 dollars in 2003 | → | $54,792.75 dollars in 2006 |
| $100,000 dollars in 2003 | → | $109,585.5 dollars in 2006 |
| $500,000 dollars in 2003 | → | $547,927.52 dollars in 2006 |
| $1,000,000 dollars in 2003 | → | $1,095,855.04 dollars in 2006 |
| Cumulative inflation 2003-2006 | 9.59% |
| Avg. annual inflation 2003-2006 | 3.1% |
| CPI 2003 | 183.96 |
| CPI 2006 | 201.59 |
| Period | Value |
|---|---|
| 2003 | 2,800 |
| 2004 | 2,874.96 |
| 2005 | 2,972.5 |
| 2006 | 3,068.39 |
All available years
Today's value of US dollars by year:
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