Sizing Guide

Internal doors- imperial (feet & inches) & metric (millimetres)

Standard imperial sizes-generally 1 3/8" thickness = 35mm.

15" x 78" 381mm x 1981mm
18" x 78" 457mm x 1981mm
21" x 78" 533mm x 1981mm
24" x 78" 610mm x 1981mm
27" x 78" 686mm x 1981mm
28" x 78" 711mm x 1981mm
30" x 78" 762mm x 1981mm
33" x 78" 838mm x 1981 mm
32" x 80" 813mm x 2032mm
36" x 78" 914mm x 1981 mm
42" x 78" 1067mm x 1981 mm
46" x 78" 1168mm x 1981 mm
48" x 78" 1219mm x 1981 mm
54" x 78" 1372mm x 1981 mm
60" x 78" 1524mm x 1981 mm

Standard metric sizes-generally 40mm thickness = 1 5/8".

526mm x 2040mm 20 3/4" x 80 1/4"
626mm x 2040mm 24 5/8" x 80 1/4"
726mm x 2040mm 28 5/8" x 80 1/4"
826mm x 2040mm 32 1/2" x 80 1/4"
926mm x 2040mm 36 1/2" x 80 1/4"

External doors- imperial (feet & inches)

Standard imperial sizes-generally 1 3/4" thickness = 44mm.

30" x 78" 762mm x 1981mm
33" x 78" 838mm x 1981 mm
32" x 80" 813mm x 2032mm
33" x 81" 838mm x 2057mm
82" x 34" 863mm x 2083mm
84" x 36" 914mm x 2134mm


Door Size Conversion

Imperial Doors width
INCHES METRIC mm FEET & inches
15 381 1' 3"
18 457 1' 6"
21 533 1' 9"
24 610 2'
27 686 2' 3"
28 711 2' 4"
30 762 2' 6"
32 813 2' 8"
33 838 2' 9"
34 863 2' 10"
36 914 3'
42 1067 3' 6"
46 1168 3' 10"
48 1219 4'
54 1372 4' 6"
60 1524 5'
HEIGHT    
78 1981 6' 6"
80 2032 6' 8"
81 2057 6' 9"
82 2083 6'10"
84 2134 7'

 

Metric Doors width
METRIC mm SIZES INCHES
526
 20 3/4"
626
 24 5/8"
726
 28 5/8"
826
 32 1/2"
926
 36 1/2"
HEIGHT  
2040
 80 1/4"