miscalculate

transitive & intransitive verb

To count or estimate incorrectly.

To calculate erroneously; make a wrong estimate of.

verb

To calculate erroneously.

verb

To judge wrongly, especially about the effects of action or the likely course of events.

verb

To incorrectly calculate; to make a gross error in judgement.

verb

To make a gross error in judgement.

verb

judge incorrectly

verb

calculate incorrectly