Inflation Record$100 in 1939 → Today
Official data verified · U.S. CPI-U · Annual average · NSA · Data through September 2026 (fetched 2026-11-02) · Series CUUR0000SA0
$2,388.80
+2288.8% cumulative inflation · 1939–2026
Your $100 in 1939 would have the purchasing power of $2,388.80 today.
What this means
- Purchasing power: $100 in 1939 had the same average buying power as $2,388.80 in 2026.
- Price level change: the overall consumer price level rose by 2288.8% across this 87-year span; the purchasing power of a dollar fell by 95.8%.
- 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 1939 | Worth in 2026 |
|---|---|
| $1 | $23.89 |
| $5 | $119.44 |
| $10 | $238.88 |
| $20 | $477.76 |
| $50 | $1,194.40 |
| $100 | $2,388.80 |
| $500 | $11,944.01 |
| $1,000 | $23,888.02 |
| $10,000 | $238,880.21 |
| $100,000 | $2,388,802.08 |
Key facts about 1939
- 1939 was one of only 13 years since 1913 in which consumer prices fell on an annual-average basis (-1.3%).
- Among the major categories tracked since 1939, Food rose the most: 2531.9% cumulatively to 2025.
- In the decade after 1939, prices rose 71.2% in total.
$100 in 1939, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 1949 | $171.18 | +71.2% |
| 1959 | $209.59 | +109.6% |
| 1969 | $263.75 | +163.8% |
| 1979 | $521.81 | +421.8% |
| 1989 | $891.31 | +791.3% |
| 1999 | $1,197.66 | +1097.7% |
| 2009 | $1,542.51 | +1442.5% |
| 2019 | $1,838.16 | +1738.2% |
| 2026 | $2,388.80 | +2288.8% |
Monthly CPI in 1939
| Month | CPI-U index | Change vs same month, prior year |
|---|---|---|
| January | 14.000 | -1.4% |
| February | 13.900 | -1.4% |
| March | 13.900 | -1.4% |
| April | 13.800 | -2.8% |
| May | 13.800 | -2.1% |
| June | 13.800 | -2.1% |
| July | 13.800 | -2.1% |
| August | 13.800 | -2.1% |
| September | 14.100 | 0.0% |
| October | 14.000 | 0.0% |
| November | 14.000 | 0.0% |
| December | 14.000 | 0.0% |
Annual average CPI-U for 1939: 13.908.
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 (1939 annual average): 13.908 · Index (2026 annual average): 332.243 · Ratio: 23.8880
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
← $100 in 1938 · All years · $100 in 1940 →
The same year elsewhere: Canada