The standard door thickness is 1 inches.
Standard door handle dimensions.
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.
Installation at 40 inches is common on affordable homes mobile homes and production homes.
Standard interior slab doors are 80 inches tall.
Next you need to determine which direction the door opens in out left right swings.
General requirements for access recommends that the height of the handle should fall within 900mm and 1100mm above the floor.
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.
In most cases the door set which is inside of the door and controls the door latch will.
Some door manufacturers carry stock doors in 7 foot and 8 foot heights and door widths from 24 inches to 42 inches.
This is around waist height for the average adult.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
There are some international rules of where you should place your door handle or knob.
Stock exterior doors are also commonly available in 30 inch and 32 inch widths.
Then you need to measure the width most common width are 2 6.