Ohio Gas Tax Calculator
2026Ohio charges 38.5¢ a gallon in state tax on gasoline and 47¢ on diesel in 2026, on top of the federal 18.4¢ and 24.4¢: 56.9¢ and 71.4¢ a gallon in all. Estimate your fuel costs.
By Konstantin Iakovlev · Updated October 19, 2026 · Methodology
Fuel Needed
1.0 gal
Trip Cost
$4.33
Annual Cost
$1,125.80
Fuel Cost Breakdown
| Total Distance | 30.0 miles |
| Fuel Needed | 1.00 gallons |
| One-Way Cost | $4.33 |
| Trip Cost | $4.33 |
| Weekly Cost | $21.65 |
| Monthly Cost | $93.82 |
| Annual Cost | $1,125.80 |
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
Ohio Gas Tax Overview
Ohio’s state tax on gasoline is 38.5¢ a gallon and 47¢ on diesel, the rate in force since July 1, 2019. That is the 12th-highest state gasoline tax of the 50 states and DC. Fixed by statute since July 1, 2019; no automatic adjustment.
With the federal 18.4¢, a gallon of gasoline carries 56.9¢ of per-gallon tax, so a 15-gallon fill-up includes about $8.54 of fuel tax whatever the pump price. Fuel suppliers also pay Ohio's 0.65% petroleum activity tax on gross receipts from the first sale of motor fuel in the state.
Ohio Fuel Taxes (2026)
| State Gasoline Tax | 38.5¢/gal |
| State Diesel Tax | 47¢/gal |
| Federal Excise Tax | 18.4¢ gasoline / 24.4¢ diesel |
| Total per Gallon | 56.9¢ gasoline / 71.4¢ diesel |
| Sales and Other Taxes on Fuel | Fuel suppliers also pay Ohio's 0.65% petroleum activity tax on gross receipts from the first sale of motor fuel in the state. |
| How the State Rate Is Built | A single motor fuel tax: 38.5¢ on gasoline and 47¢ on diesel. |
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