Gas Cost Calculator: How Much Extra Is the Iran War Costing You?

Last updated: March 14, 2026

Gas prices have jumped from $2.98 to $3.58/gallon since the war started. Enter your driving details to see your personal cost increase.

Why Are Gas Prices Higher?

The U.S.-Iran war that began February 28, 2026 has disrupted oil supplies through the Strait of Hormuz, which normally handles 20% of the world's oil. Brent crude has surged past $100/barrel and U.S. gas prices have jumped 20% from pre-war levels. The longer the conflict lasts, the higher prices may go.

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