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What is an exahash (EH/s)?

An exahash per second is one quintillion hashes per second: a million terahashes, or a thousand petahashes. It is the unit used for the whole network and for the largest miners.

How it works

The ladder runs terahash (TH/s) for one machine, petahash (PH/s) for a small site, exahash (EH/s) for a public miner or the network. Each step is a thousand times the last.

Why it matters

Company hashrate is reported in EH/s and hashprice in $/PH/day, so moving between the units is everyday arithmetic in mining.

Live figures: Network hashrate in EH/s.

Related terms

All terms: the Bitcoin mining glossary.

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