The cost of the American war against Iran exceeded 47 billion dollars The American Hill website cited the new estimate of the US military's Central Command (CENTCOM) and reported that the cost of the war increased by more than 3 billion dollars and exceeded 47 billion dollars. Based on Moody's analysis, they wrote in this media that the cost of this conflict averaged about $2,000 per American household. The "Telegraph" newspaper also estimated the cost of the American war against Iran at around 151 billion and 300 million dollars in the report; a figure that differs significantly from the official estimate of the American War Department. According to a Telegraph analysis, if the current trend continues, the cost of the war will reach 311 billion 300 million dollars by the end of the year.