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Gas Calculator

Gas estimation with 3 speed presets (Economy/Standard/Fast), gwei display, and estimated cost in ETH + USD.

gasfeeestimategwei

Gas Estimator

ETH $3,420

Transaction Type

Speed

Estimated Cost21,000 gas

0.000378 ETH$1.29

Base: 10 gweiPriority: 8 gweiTotal: 18 gwei

Ethereum mainnet

API Reference

Prop	Type	Default	Description
`speeds*`	`GasSpeed[]`	`—`	Speed options with name, gwei, time estimate, cost
`selectedSpeed`	`string`	`—`	Currently selected speed ID
`onSelect`	`(speedId: string) => void`	`—`	Called when user selects a speed
`ethPrice`	`number`	`—`	ETH price in USD for cost calculation
`className`	`string`	`—`	Additional CSS classes