Definition of manhattan. : a cocktail consisting of vermouth, whiskey, and sometimes a dash of bitters.
Standard Door Sizes. Generally, entry door widths of 30 inches, 32 inches and 36 inches are considered standard and are readily available in home improvement and hardware stores. The standard height of an entry door is 80 inches, and the standard thickness is 1 Â¾ inches. Because they are adjacent to the outside, entry doors are a bit thicker than their interior counterparts to provide additional insulation.
2â³ DOOR THICKNESS. To calculate your door weight mulitply the size of your door (in square feet) times the number in the chart above (pounds per square feet). The result is your door weight in pounds. For example if you have a 1-3/4â³ thick door that is 8â0â³ by 3â2â³ and made out of oak, you would calculate the square inches of the door (96 x 38 = 3648) and divide by 144 to get the square footage (3648/144 = 25.33).