Inflation Record
$100 in 1999 → Today
Official data verified · U.S. CPI-U · Annual average · NSA · Data through September 2026 (fetched 2026-11-02) · Series CUUR0000SA0
+99.5% cumulative inflation · 1999–2026
Your $100 in 1999 would have the purchasing power of $199.46 today.
What this means
- Purchasing power: $100 in 1999 had the same average buying power as $199.46 in 2026.
- Price level change: the overall consumer price level rose by 99.5% across this 27-year span; the purchasing power of a dollar fell by 49.9%.
- 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 1999 | Worth in 2026 |
|---|---|
| $1 | $1.99 |
| $5 | $9.97 |
| $10 | $19.95 |
| $20 | $39.89 |
| $50 | $99.73 |
| $100 | $199.46 |
| $500 | $997.28 |
| $1,000 | $1,994.55 |
| $10,000 | $19,945.52 |
| $100,000 | $199,455.23 |
Key facts about 1999
- Consumer prices rose 2.2% in 1999 — the 68th-largest annual increase in the 1913–2026 record.
- Among the major categories tracked since 1999, Rent of primary residence rose the most: 124.6% cumulatively to 2025.
- A gallon of regular gasoline averaged $1.17 in 1999 — about $2.32 in 2026 dollars.
- A dozen large eggs averaged $0.96 in 1999 — about $1.91 in 2026 dollars.
$100 in 1999, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2009 | $128.79 | +28.8% |
| 2019 | $153.48 | +53.5% |
| 2026 | $199.46 | +99.5% |
Monthly CPI in 1999
| Month | CPI-U index | Change vs same month, prior year |
|---|---|---|
| January | 164.300 | 1.7% |
| February | 164.500 | 1.6% |
| March | 165.000 | 1.7% |
| April | 166.200 | 2.3% |
| May | 166.200 | 2.1% |
| June | 166.200 | 2.0% |
| July | 166.700 | 2.1% |
| August | 167.100 | 2.3% |
| September | 167.900 | 2.6% |
| October | 168.200 | 2.6% |
| November | 168.300 | 2.6% |
| December | 168.300 | 2.7% |
Annual average CPI-U for 1999: 166.575.
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 (1999 annual average): 166.575 · Index (2026 annual average): 332.243 · Ratio: 1.9946
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: BLS data finder.
Cite this page
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