  mm , ▁ 8 6 0   mm , ▁ 9 8 5   mm , ▁ 1 1 1 0   mm , ▁plus ▁a ▁larger ▁door ▁panel ▁size ▁of ▁ 1 1 1 0   mm ▁x ▁ 2 1 1 0   mm . ▁The ▁newer ▁D IN ▁ 1 8 1 0 1 / 2 0 1 4 ▁dro ps ▁the ▁definition ▁of ▁just ▁five ▁standard ▁door ▁sizes ▁in ▁favor ▁of ▁a ▁basic ▁r aster ▁running ▁along ▁ 1 2 5   mm ▁incre ments ▁where ▁the ▁height ▁and ▁width ▁are ▁independent . ▁The ▁panel ▁width ▁may ▁be ▁in ▁the ▁range ▁ 4 8 5   mm ▁to ▁ 1 3 6 0 ▁m mm , ▁and ▁the ▁height ▁may ▁be ▁in ▁the ▁range ▁of ▁ 1 6 1 0   mm ▁to ▁ 2 7 3 5   mm . ▁The ▁most ▁common ▁interior ▁door ▁is ▁ 8 6 0   mm ▁x ▁ 1 9 8 5   mm ▁( 3 3 . 8 " ▁x ▁ 7 8 . 1 "). ▁ ▁Do or way ▁components ▁▁ ▁When ▁fr amed ▁in ▁wood ▁for ▁sn ug ▁fitting ▁of ▁a ▁door , ▁the ▁door way ▁consists ▁of ▁two ▁vertical ▁j amb s ▁on ▁either ▁side , ▁a ▁l int el ▁or ▁head ▁j amb ▁at ▁the ▁top , ▁and ▁perhaps ▁a ▁threshold ▁at ▁the ▁bottom . ▁When ▁a ▁door ▁has ▁more ▁than ▁one ▁mov able ▁section , ▁one ▁of ▁the ▁sections ▁may ▁be ▁called ▁a ▁leaf .