Inflation Record
$100 in 1945 → Today
Official data verified · U.S. CPI-U · Annual average · NSA · Data through September 2026 (fetched 2026-11-02) · Series CUUR0000SA0
$1,846.65
+1746.6% cumulative inflation · 1945–2026
Your $100 in 1945 would have the purchasing power of $1,846.65 today.
What this means
- Purchasing power: $100 in 1945 had the same average buying power as $1,846.65 in 2026.
- Price level change: the overall consumer price level rose by 1746.6% across this 81-year span; the purchasing power of a dollar fell by 94.6%.
- 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 1945 | Worth in 2026 |
|---|---|
| $1 | $18.47 |
| $5 | $92.33 |
| $10 | $184.66 |
| $20 | $369.33 |
| $50 | $923.32 |
| $100 | $1,846.65 |
| $500 | $9,233.23 |
| $1,000 | $18,466.47 |
| $10,000 | $184,664.69 |
| $100,000 | $1,846,646.90 |
Key facts about 1945
- Consumer prices rose 2.3% in 1945 — the 66th-largest annual increase in the 1913–2026 record.
- Among the major categories tracked since 1945, Food rose the most: 1703.3% cumulatively to 2025.
- In the decade after 1945, prices rose 48.8% in total.
$100 in 1945, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 1955 | $148.82 | +48.8% |
| 1965 | $175.13 | +75.1% |
| 1975 | $299.12 | +199.1% |
| 1985 | $597.87 | +497.9% |
| 1995 | $846.97 | +747.0% |
| 2005 | $1,085.46 | +985.5% |
| 2015 | $1,317.37 | +1217.4% |
| 2025 | $1,789.40 | +1689.4% |
| 2026 | $1,846.65 | +1746.6% |
Monthly CPI in 1945
| Month | CPI-U index | Change vs same month, prior year |
|---|---|---|
| January | 17.800 | 2.3% |
| February | 17.800 | 2.3% |
| March | 17.800 | 2.3% |
| April | 17.800 | 1.7% |
| May | 17.900 | 2.3% |
| June | 18.100 | 2.8% |
| July | 18.100 | 2.3% |
| August | 18.100 | 2.3% |
| September | 18.100 | 2.3% |
| October | 18.100 | 2.3% |
| November | 18.100 | 2.3% |
| December | 18.200 | 2.2% |
Annual average CPI-U for 1945: 17.992.
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 (1945 annual average): 17.992 · Index (2026 annual average): 332.243 · Ratio: 18.4665
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 1944 · All years · $100 in 1946 →
The same year elsewhere: Canada