Inflation Record
$100 in 2017 → Today
Official data verified · U.S. CPI-U · Annual average · NSA · Data through September 2026 (fetched 2026-11-02) · Series CUUR0000SA0
+35.5% cumulative inflation · 2017–2026
Your $100 in 2017 would have the purchasing power of $135.54 today.
What this means
- Purchasing power: $100 in 2017 had the same average buying power as $135.54 in 2026.
- Price level change: the overall consumer price level rose by 35.5% across this 9-year span; the purchasing power of a dollar fell by 26.2%.
- 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 2017 | Worth in 2026 |
|---|---|
| $1 | $1.36 |
| $5 | $6.78 |
| $10 | $13.55 |
| $20 | $27.11 |
| $50 | $67.77 |
| $100 | $135.54 |
| $500 | $677.72 |
| $1,000 | $1,355.43 |
| $10,000 | $13,554.30 |
| $100,000 | $135,543.05 |
Key facts about 2017
- Consumer prices rose 2.1% in 2017 — the 69th-largest annual increase in the 1913–2026 record.
- Among the major categories tracked since 2017, Rent of primary residence rose the most: 29.4% cumulatively to 2025.
- A gallon of regular gasoline averaged $2.41 in 2017 — about $3.26 in 2026 dollars.
- A dozen large eggs averaged $1.47 in 2017 — about $1.99 in 2026 dollars.
$100 in 2017, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2026 | $135.54 | +35.5% |
Monthly CPI in 2017
| Month | CPI-U index | Change vs same month, prior year |
|---|---|---|
| January | 242.839 | 2.5% |
| February | 243.603 | 2.7% |
| March | 243.801 | 2.4% |
| April | 244.524 | 2.2% |
| May | 244.733 | 1.9% |
| June | 244.955 | 1.6% |
| July | 244.786 | 1.7% |
| August | 245.519 | 1.9% |
| September | 246.819 | 2.2% |
| October | 246.663 | 2.0% |
| November | 246.669 | 2.2% |
| December | 246.524 | 2.1% |
Annual average CPI-U for 2017: 245.120.
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 (2017 annual average): 245.120 · Index (2026 annual average): 332.243 · Ratio: 1.3554
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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