AIOptimism Mainnet is currently the cheapest chain at ~$0.000036 per transfer, while Ethereum is the most expensive at ~$0.002446 per transfer.
Gas Tracker
Gas per chain with a short-term forecast and the cheapest hour to transact — measured directly on-chain from public RPC nodes.
Updated every 5 minutes — bookmark this page for live gas across 6 chains.
3Cheap now
1Normal
0Expensive
Ethereum
Cheap
$0.004437
Send
Swap$0.0317
gwei0.1216
Now vs 24h0.0405–0.5753
Good window now · 02:00
Base
Cheap
$0.000219
Send
Swap$0.001564
gwei0.006
Now vs 24h0.006–0.0074
Good window now · 00:00
Arbitrum
Cheap
$0.000733
Send
Swap$0.005239
gwei0.0201
Now vs 24h0.02–0.1582
Good window now · 14:00
Optimism (OP Mainnet)
live
$0.000036
Send
Swap$0.000261
gwei0.001
Now vs 24h0.001–0.001
Cheapest hour (UTC): 00:00 (~0.001)
Polygon
Normal
$0.000464
Send
Swap$0.003311
gwei285.3
Now vs 24h276.8–303.6
Cheapest hour (UTC): 04:00 (~277.5)
BNB Chain (BSC)
live
$0.001295
Send
Swap$0.009252
gwei0.1
Now vs 24h0.1–0.1
Cheapest hour (UTC): 19:00 (~0.0995)
Level, trend and cheapest hour are computed from on-chain gas history measured directly from public RPC nodes. Gwei is each chain's native unit, not comparable across chains.