five feet, 10 inches.
http://wiki.answers.com/Q/How_tall_is_70_inches

There are 12 inches in a foot, so 70 inches is equal to 5.83 feet. ChaCha for now!
http://www.chacha.com/question/howtallis70inch...

5 ft 10 in.
http://answers.yahoo.com/question/index?qid=201312...

1. Multiply the length of 70 centimeters by 0.3937 to calculate the equivalent measurement in inches. When 70 centimeters is multiplied by 0.3937, the measurement converts to 27.5591
http://www.ehow.com/how_8037647_convert70centime...
