Inflation Record
$100 in 2008 → Today
Official data verified · U.S. CPI-U · Annual average · NSA · Data through September 2026 (fetched 2026-11-02) · Series CUUR0000SA0
+54.3% cumulative inflation · 2008–2026
Your $100 in 2008 would have the purchasing power of $154.31 today.
What this means
- Purchasing power: $100 in 2008 had the same average buying power as $154.31 in 2026.
- Price level change: the overall consumer price level rose by 54.3% across this 18-year span; the purchasing power of a dollar fell by 35.2%.
- This measures the broad basket of consumer goods and services (CPI-U). Individual expenses — housing, medical care, tuition — moved at different rates.
What this means in other amounts
| In 2008 | Worth in 2026 |
|---|---|
| $1 | $1.54 |
| $5 | $7.72 |
| $10 | $15.43 |
| $20 | $30.86 |
| $50 | $77.16 |
| $100 | $154.31 |
| $500 | $771.57 |
| $1,000 | $1,543.14 |
| $10,000 | $15,431.43 |
| $100,000 | $154,314.30 |
Key facts about 2008
- Consumer prices rose 3.8% in 2008 — the 35th-largest annual increase in the 1913–2026 record.
- Among the major categories tracked since 2008, Rent of primary residence rose the most: 63.9% cumulatively to 2025.
- A gallon of regular gasoline averaged $3.27 in 2008 — about $5.04 in 2026 dollars.
- A dozen large eggs averaged $1.99 in 2008 — about $3.07 in 2026 dollars.
$100 in 2008, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2018 | $116.63 | +16.6% |
| 2026 | $154.31 | +54.3% |
Monthly CPI in 2008
| Month | CPI-U index | Change vs same month, prior year |
|---|---|---|
| January | 211.080 | 4.3% |
| February | 211.693 | 4.0% |
| March | 213.528 | 4.0% |
| April | 214.823 | 3.9% |
| May | 216.632 | 4.2% |
| June | 218.815 | 5.0% |
| July | 219.964 | 5.6% |
| August | 219.086 | 5.4% |
| September | 218.783 | 4.9% |
| October | 216.573 | 3.7% |
| November | 212.425 | 1.1% |
| December | 210.228 | 0.1% |
Annual average CPI-U for 2008: 215.303.
Verify this calculation
Series: CUUR0000SA0 (Consumer Price Index for All Urban Consumers, All Items, U.S. City Average; Not seasonally adjusted (NSA); base 1982-84=100).
Index (2008 annual average): 215.303 · Index (2026 annual average): 332.243 · Ratio: 1.5431
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: BLS data finder.
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