U.S. state · U.S.
As of early October 2026, a gallon of regular gasoline in Washington averages $5.45 — that is $1.44 per litre, and ranks #126 of 225 places we track, where #1 is the cheapest.
High-tax / special-blend U.S. state
Washington carries high state fuel taxes, and West-Coast and island states also require special clean-burning blends and pay to ship fuel long distances — that is what pushes it well above the U.S. average.
An estimated split of a $5.45 gallon in Washington. Crude oil trades as one global price, so the part that differs between countries is mostly tax.
| Component | Per gallon | Per litre |
|---|---|---|
| Crude | $2.80 | $0.74 |
| Refining | $0.73 | $0.19 |
| Distribution | $1.13 | $0.30 |
| Tax | $0.79 | $0.21 |
| Pump price | $5.45 | $1.44 |
| Comparison | Per gallon | Difference |
|---|---|---|
| Washington | $5.45 | — |
| World average of all 225 | $5.55 | −$0.10 |
| U.S. average | $4.38 | +$1.07 |
| Cheapest anywhere — Libya | $0.09 | −$5.36 |
| Priciest anywhere — Hong Kong | $16.70 | +$11.25 |