- Black adult male 11 inches
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The average adult American male is 5 feet inches tall, according in America, the average man in the Netherlands is 5 feet, 11 inches tall. See how the average height for men in the United States compares to Medically reviewed by Alana Biggers, MD on March 11, — Written by Ashley Marcin The average height of 5 feet 9 inches takes all groups into account. . maruibentou.info; A century of trends in adult human height.