Gwei
Gwei is the everyday unit for Ethereum gas prices: 1 gwei = 0.000000001 ETH (a billionth). When wallets quote "25 gwei," that's the per-unit price of compu
Gwei is the everyday unit for Ethereum gas prices: 1 gwei = 0.000000001 ETH (a billionth). When wallets quote “25 gwei,” that’s the per-unit price of computation — a simple transfer at 21,000 gas costs 21,000 × 25 gwei.
Why it matters
Watching gwei is watching Ethereum’s congestion in real time: 5 gwei means a quiet chain, 200+ means an NFT mint or market panic is pricing everyone out. It’s the number that decides whether your transaction costs cents or tens of dollars — and whether you should wait an hour.
Related terms
gas · ethereum ·
transaction