Simple past tense and past participle of miscalculate.(verb)
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Use "miscalculated" in a sentence
"Returned to jail after eight days after court ruled jail term miscalculated"
"Daley is widely regarded as a business-friendly, pragmatist; he told the New York Times last year that the Administration had "miscalculated" on health care because the country was, at its roots, "center left" not "left"."
"Daley once told the New York Times that the Obama administration had "miscalculated" by moving too far to the left on health care reform -- concerning those who had hoped the president would fight Republican efforts to repeal the law."