Crypto Gas Fee Calculator

Gas Fee Calculator

Estimate transaction costs across major chains.

Select Chain Ethereum Polygon BNB Smart Chain Avalanche Arbitrum Optimism Fantom Solana (devnet) Bitcoin Base TON (preview)

Currency USD CAD AUD EUR GBP

Transaction Type

Transaction Speed

Standard

Fast

Instant

Gas Limit

Max Priority Fee (Gwei)

Default 2 Gwei. Fast ≈ ×1.5, Instant ≈ ×2

Gas Limit

Gas Price (Gwei)

We auto-fill from RPC and apply speed multiplier.

Transaction Size (vBytes)

Fee Rate (sats/vB)

Compute Units

Priority Fee (μLamports per CU)

1,000,000 μLamports = 1 Lamport

This chain is listed, but fee math isn’t implemented in this demo yet.

Estimated Fee