What your result means (before you calculate)
The total is gas used × gas price (often in Gwei on Ethereum), converted to the network’s native token and optionally USD. Compare networks before you bridge or batch transactions.
Worked example (Ethereum transfer)
A simple ETH transfer uses about 21,000 gas. At 25 Gwei and $2,500/ETH, fee ≈ 21,000 × 25 × 10⁻⁹ × 2,500 ≈ $1.31 before L2 discounts. A Uniswap-style swap at 200,000 gas is roughly 10× that at the same Gwei.
Gas Fee Calculator: Ethereum & Blockchain Transaction Costs
By Ahmet C. Toplutaş·Blockchain & DeFi tools
Last updated: May 21, 2026Last reviewed: May 21, 2026Planning estimates only — not tax, medical, or investment advice.
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