Network & mining

Transaction Confirmation Estimator

Learn why confirmation-time estimates remain uncertain.

Runs locally

Security & privacy. Calculations run locally. Check the network and inputs. Estimates of fees, policy acceptance, prices and future block timing are not guarantees.

Use this tool

Calculates on your device. Results that depend on future blocks or policy are estimates.

Expected duration at the 600-second Bitcoin target spacing. This does not predict mempool inclusion or lookup a transaction.

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What this tool is for

This calculator multiplies a supplied confirmation target by the 600-second target block spacing. Block arrival times and incoming transactions vary, so an estimated window is not a guaranteed confirmation time.

Supported behavior

Expected duration at the 600-second Bitcoin target spacing. This does not predict mempool inclusion or lookup a transaction.

Security & privacy

Calculations run locally. Check the network and inputs. Estimates of fees, policy acceptance, prices and future block timing are not guarantees.