Inflation Record
$100 in 2018 → Today
Official data verified · U.S. CPI-U · Annual average · NSA · Data through September 2026 (fetched 2026-11-02) · Series CUUR0000SA0
+32.3% cumulative inflation · 2018–2026
Your $100 in 2018 would have the purchasing power of $132.31 today.
What this means
- Purchasing power: $100 in 2018 had the same average buying power as $132.31 in 2026.
- Price level change: the overall consumer price level rose by 32.3% across this 8-year span; the purchasing power of a dollar fell by 24.4%.
- 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 2018 | Worth in 2026 |
|---|---|
| $1 | $1.32 |
| $5 | $6.62 |
| $10 | $13.23 |
| $20 | $26.46 |
| $50 | $66.16 |
| $100 | $132.31 |
| $500 | $661.56 |
| $1,000 | $1,323.11 |
| $10,000 | $13,231.12 |
| $100,000 | $132,311.24 |
Key facts about 2018
- Consumer prices rose 2.4% in 2018 — the 62nd-largest annual increase in the 1913–2026 record.
- Among the major categories tracked since 2018, Rent of primary residence rose the most: 24.9% cumulatively to 2025.
- A gallon of regular gasoline averaged $2.74 in 2018 — about $3.62 in 2026 dollars.
- A dozen large eggs averaged $1.74 in 2018 — about $2.30 in 2026 dollars.
$100 in 2018, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2026 | $132.31 | +32.3% |
Monthly CPI in 2018
| Month | CPI-U index | Change vs same month, prior year |
|---|---|---|
| January | 247.867 | 2.1% |
| February | 248.991 | 2.2% |
| March | 249.554 | 2.4% |
| April | 250.546 | 2.5% |
| May | 251.588 | 2.8% |
| June | 251.989 | 2.9% |
| July | 252.006 | 2.9% |
| August | 252.146 | 2.7% |
| September | 252.439 | 2.3% |
| October | 252.885 | 2.5% |
| November | 252.038 | 2.2% |
| December | 251.233 | 1.9% |
Annual average CPI-U for 2018: 251.107.
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 (2018 annual average): 251.107 · Index (2026 annual average): 332.243 · Ratio: 1.3231
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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