Inflation Record
$100 in 2015 → Today
Official data verified · U.S. CPI-U · Annual average · NSA · Data through September 2026 (fetched 2026-11-02) · Series CUUR0000SA0
+40.2% cumulative inflation · 2015–2026
Your $100 in 2015 would have the purchasing power of $140.18 today.
What this means
- Purchasing power: $100 in 2015 had the same average buying power as $140.18 in 2026.
- Price level change: the overall consumer price level rose by 40.2% across this 11-year span; the purchasing power of a dollar fell by 28.7%.
- 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 2015 | Worth in 2026 |
|---|---|
| $1 | $1.40 |
| $5 | $7.01 |
| $10 | $14.02 |
| $20 | $28.04 |
| $50 | $70.09 |
| $100 | $140.18 |
| $500 | $700.88 |
| $1,000 | $1,401.77 |
| $10,000 | $14,017.67 |
| $100,000 | $140,176.68 |
Key facts about 2015
- Consumer prices rose 0.1% in 2015 — the 99th-largest annual increase in the 1913–2026 record.
- Among the major categories tracked since 2015, Rent of primary residence rose the most: 39.4% cumulatively to 2025.
- A gallon of regular gasoline averaged $2.45 in 2015 — about $3.43 in 2026 dollars.
- A dozen large eggs averaged $2.47 in 2015 — about $3.46 in 2026 dollars.
$100 in 2015, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2025 | $135.83 | +35.8% |
| 2026 | $140.18 | +40.2% |
Monthly CPI in 2015
| Month | CPI-U index | Change vs same month, prior year |
|---|---|---|
| January | 233.707 | -0.1% |
| February | 234.722 | -0.0% |
| March | 236.119 | -0.1% |
| April | 236.599 | -0.2% |
| May | 237.805 | -0.0% |
| June | 238.638 | 0.1% |
| July | 238.654 | 0.2% |
| August | 238.316 | 0.2% |
| September | 237.945 | -0.0% |
| October | 237.838 | 0.2% |
| November | 237.336 | 0.5% |
| December | 236.525 | 0.7% |
Annual average CPI-U for 2015: 237.017.
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 (2015 annual average): 237.017 · Index (2026 annual average): 332.243 · Ratio: 1.4018
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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