Inflation Record$100 in 1981 → Today
Official data verified · U.S. CPI-U · Annual average · NSA · Data through September 2026 (fetched 2026-11-02) · Series CUUR0000SA0
$365.40
+265.4% cumulative inflation · 1981–2026
Your $100 in 1981 would have the purchasing power of $365.40 today.
What this means
- Purchasing power: $100 in 1981 had the same average buying power as $365.40 in 2026.
- Price level change: the overall consumer price level rose by 265.4% across this 45-year span; the purchasing power of a dollar fell by 72.6%.
- 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 1981 | Worth in 2026 |
|---|---|
| $1 | $3.65 |
| $5 | $18.27 |
| $10 | $36.54 |
| $20 | $73.08 |
| $50 | $182.70 |
| $100 | $365.40 |
| $500 | $1,827.01 |
| $1,000 | $3,654.03 |
| $10,000 | $36,540.29 |
| $100,000 | $365,402.87 |
Key facts about 1981
- Consumer prices rose 10.3% in 1981 — the 10th-largest annual increase in the 1913–2026 record.
- Among the major categories tracked since 1981, Medical care rose the most: 541.3% cumulatively to 2025.
- A gallon of regular gasoline averaged $1.38 in 1981 — about $5.04 in 2026 dollars.
- A dozen large eggs averaged $0.90 in 1981 — about $3.28 in 2026 dollars.
$100 in 1981, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 1991 | $149.78 | +49.8% |
| 2001 | $194.74 | +94.7% |
| 2011 | $247.39 | +147.4% |
| 2021 | $298.01 | +198.0% |
| 2026 | $365.40 | +265.4% |
Monthly CPI in 1981
| Month | CPI-U index | Change vs same month, prior year |
|---|---|---|
| January | 87.000 | 11.8% |
| February | 87.900 | 11.4% |
| March | 88.500 | 10.5% |
| April | 89.100 | 10.0% |
| May | 89.800 | 9.8% |
| June | 90.600 | 9.6% |
| July | 91.600 | 10.8% |
| August | 92.300 | 10.8% |
| September | 93.200 | 11.0% |
| October | 93.400 | 10.1% |
| November | 93.700 | 9.6% |
| December | 94.000 | 8.9% |
Annual average CPI-U for 1981: 90.925.
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 (1981 annual average): 90.925 · Index (2026 annual average): 332.243 · Ratio: 3.6540
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: BLS data finder.