Next you need to determine which direction the door opens in out left right swings.
Standard door handle dimensions.
Installation at 40 inches is common on affordable homes mobile homes and production homes.
According to international building code 2012 door handles or knobs should be installed 34 inches 864 mm minimum and 48 inches 1219 mm maximum above the finished floor.
General requirements for access recommends that the height of the handle should fall within 900mm and 1100mm above the floor.
Some door manufacturers carry stock doors in 7 foot and 8 foot heights and door widths from 24 inches to 42 inches.
The standard size for an exterior door is 80 inches 6 feet 8 inches by 36 inches 3 feet.
Then you need to measure the width most common width are 2 6.
If you re installing several doors it s acceptable to drill the doorknob hole at 40 inches or centered vertically.
Standard door handle height regardless of the size of the door the australian standard as 1428 1 design for access and mobility part 1.
To measure your existing door you need to take a measuring tape and measure from the bottom of the door to the top of the door most common doors measure.
This is around waist height for the average adult.
Stock exterior doors are also commonly available in 30 inch and 32 inch widths.
In most cases the door set which is inside of the door and controls the door latch will.
The standard door thickness is 1 inches.