Gas Fee Estimator
Live EIP-1559 estimates (Slow / Standard / Fast) for EVM networks. Uses JSON-RPC fee history when available. Runs locally in your browser.
⚡ Live estimates
⛽ EIP-1559
🔒 Privacy-first
✅ Free
Ready
Common: 21,000 (simple transfer), 80,000–200,000 (swaps), 200,000+ (complex).
Tip: public RPCs can be rate-limited. If you get errors, paste an Alchemy/Infura/QuickNode endpoint.
Last updated: —
Slow
Budget
Max fee—
Priority fee—
Estimated total—
—
Lower-percentile tip from recent blocks.
Standard
Recommended
Max fee—
Priority fee—
Estimated total—
—
Median tip from recent blocks.
Fast
High priority
Max fee—
Priority fee—
Estimated total—
—
Higher-percentile tip from recent blocks.
How it works: This tool queries
eth_feeHistory (EIP-1559) to estimate priority fees and reads the latest base fee.
If a chain/RPC doesn’t support fee history, it falls back to eth_gasPrice.