Lumber Dimensions Actual & Nominal Sizes

[Construct101]

Nominal	Actual
1″ x 2″	3/4″ x 1-1/2″
1″ x 3″	3/4″ x 2-1/2″
1″ x 4″	3/4″ x 3-1/2″
1″ x 5″	3/4″ x 4-1/2″
1″ x 6″	3/4″ x 5-1/2″
1″ x 7″	3/4″ x 6-1/4″
1″ x 8″	3/4″ x 7-1/4″
1″ x 10″	3/4″ x 9-1/4″
1″ x 12″	3/4″ x 11-1/4″
2″ x 2″	1-1/2″ x 1-1/2″
2″ x 4″	1-1/2″ x 3-1/2″
2″ x 6″	1-1/2″ x 5-1/2″
2″ x 8″	1-1/2″ x 7-1/4″
2″ x 10″	1-1/2″ x 9-1/4″
2″ x 12″	1-1/2″ x 11-1/4″
3” x 3”	2-1/2” x 2-1/2”
3” x 4”	2-1/2″ x 3-1/2”
3″ x 6″	2-1/2″ x 5-1/2″
3” x 8”	2-1/2” x 7-1/4”
3” x 10”	2-1/2” x 9-1/4”
3” x 12”	2-1/2” x 11-1/4”
4″ x 4″	3-1/2″ x 3-1/2″
4″ x 6″	3-1/2″ x 5-1/2″
4” x 8”	3-1/2” x 7-1/4”
4” x 10”	3-1/2” x 9-1/4”
4” x 12”	3-1/2” x 11-1/4”
6” x 6”	5-1/2” x 5-1/2”
8” x 8”	7-1/4” x 7-1/4”

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