U.S. state · U.S.
As of early October 2026, a gallon of regular gasoline in South Carolina averages $3.99 — that is $1.05 per litre, and ranks #39 of 225 places we track, where #1 is the cheapest.
Mid-range U.S. state
South Carolina is near the U.S. average. State fuel taxes and supply costs here are middle-of-the-road, so the price mostly tracks national wholesale gasoline.
An estimated split of a $3.99 gallon in South Carolina. Crude oil trades as one global price, so the part that differs between countries is mostly tax.
| Component | Per gallon | Per litre |
|---|---|---|
| Crude | $2.11 | $0.56 |
| Refining | $0.55 | $0.15 |
| Distribution | $0.85 | $0.23 |
| Tax | $0.47 | $0.12 |
| Pump price | $3.99 | $1.05 |
| Comparison | Per gallon | Difference |
|---|---|---|
| South Carolina | $3.99 | — |
| World average of all 225 | $5.55 | −$1.56 |
| U.S. average | $4.38 | −$0.39 |
| Cheapest anywhere — Libya | $0.09 | −$3.90 |
| Priciest anywhere — Hong Kong | $16.70 | +$12.71 |