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 6 = 3/4" x 5-1/2"
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 3 = 1-1/2" x 2-1/2"
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"

Finished Lumber Sizes

Common Nail Sizes