Probability calculator

What are your odds?

Enter your hashrate to see the statistical expectation of solving a Bitcoin block over different time horizons. Live difficulty pulled from our node.

Your hashrate

Enter mining capacity

Network difficulty Fetching…
Presets
Source · mempool.sweethash.io Refreshes every 60s
Expected time to find a block poisson
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Enter a hashrate above to compute
1 hour
0%
1 day
0%
1 week
0%
1 month
0%
1 year
0%
Reward if found
3.125 BTC
+ transaction fees
USD value (subsidy)
$---
live BTC/USD

Solo mining is a lottery. The numbers above are statistical expectations, not guarantees. Variance is high — you may find a block tomorrow, or never. Probabilities use the current network difficulty assuming it stays constant.