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Gas fee calculator

A teaching tool, with transparent assumptions. All calculations run on your device.

Enter your assumptions, then select Calculate.

ETH fee = gas used × effective gwei × 10⁻⁹

Execution fees only. Excludes separate blob or Layer 2 data-publication fees. No live price feed or network fee estimate.

Understand the mechanism

Ethereum

Ethereum gas and EIP-1559

Gas measures computational resources; the effective gas price determines their cost.

Intermediate5 min reading + workshop ↗

Sources and references

Results follow your inputs and the displayed formula. References explain the mechanism and limitations; they do not provide live rates.

References reviewed on 21 September 2026. All sources →