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Crypto Desk · Tool

Gas Console

LIVE · 7 NETWORKS · 60-SECOND REFRESH

What a transaction actually costs right now, in dollars. Pick a scenario, whether a token transfer, swap or NFT, and compare across chains. Sparklines and the busy/calm heat map build up locally in your browser the longer you leave it open.

  • Ethereum
  • BNB Chain
  • Arbitrum
  • Base
  • Optimism
  • Solana
  • Cardano

Gas & Fee Snapshot

USD –
Scenarios use typical gas/CU/bytes presets. L2 totals can include L1 data; toggle above adds a rough estimate.
About fees & how we estimate
  • Ethereum (L1): Base from eth_feeHistory, tip from eth_maxPriorityFeePerGas. Scenario cost = (base+tip) × gasUnits, converted to USD.
  • BNB Chain: eth_gasPrice (no EIP-1559). Scenario gas per preset; USD via public prices.
  • Arbitrum / Base / Optimism (L2): eth_gasPrice is L2 gas only. Optional “Include L1 data (rough)” estimates the blob cost these rollups now pay on L1 (EIP-4844): blob base fee × ~1 blob-gas/byte, so it reads near-zero when blob demand is low.
  • Solana: 5,000 lamports/signature + priority ≈ 60th percentile of getRecentPrioritizationFees (µlamports/CU). Scenario uses a CU budget; convert to SOL→USD.
  • Cardano: Fee = b + a·size via Koios protocol params. Scenario uses an estimated tx size (bytes); convert ADA→USD.
  • Sparklines & Busy/Calm: Last 60 scenario costs per chain (local only). Busy ≥80th pct, Calm ≤30th pct.
  • Heat map: 7×24 hourly scenario costs (local to your browser). Fills in over time.

Estimates, not quotes: wallets add their own margins and networks reprice by the second. How each figure is derived is documented in “About fees & how we estimate” inside the console.

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