How many board feet in a 2x4x8?

5.33 board feet. The chart lists it along with other common sizes.

Are these figured at nominal or actual size?

Nominal size, the way lumber is sold and priced. A 2x4 is counted as a full 2 by 4.

What if my length is not on the chart?

Use the calculator on the home page. It handles any thickness, width, and length.

Board Foot Chart

Board foot lookup tables for common lumber sizes and lengths, from 1x2 up to 4x4.

How to read the chart

Each cell is the board feet in a single board of that nominal size and length, figured at nominal size and divided by 144. Multiply by how many boards you need. For sizes or lengths not listed, use the calculator on the home page.

Nominal size	6 ft	8 ft	10 ft	12 ft	14 ft	16 ft
1 x 2	1	1.33	1.67	2	2.33	2.67
1 x 3	1.50	2	2.50	3	3.50	4
1 x 4	2	2.67	3.33	4	4.67	5.33
1 x 6	3	4	5	6	7	8
1 x 8	4	5.33	6.67	8	9.33	10.67
1 x 10	5	6.67	8.33	10	11.67	13.33
1 x 12	6	8	10	12	14	16
2 x 2	2	2.67	3.33	4	4.67	5.33
2 x 4	4	5.33	6.67	8	9.33	10.67
2 x 6	6	8	10	12	14	16
2 x 8	8	10.67	13.33	16	18.67	21.33
2 x 10	10	13.33	16.67	20	23.33	26.67
2 x 12	12	16	20	24	28	32
4 x 4	8	10.67	13.33	16	18.67	21.33
4 x 6	12	16	20	24	28	32
6 x 6	18	24	30	36	42	48

Each value is the board feet in one board of that nominal size and length. Multiply by the number of boards you need.

Frequently asked questions

How many board feet in a 2x4x8?: 5.33 board feet. The chart lists it along with other common sizes.
Are these figured at nominal or actual size?: Nominal size, the way lumber is sold and priced. A 2x4 is counted as a full 2 by 4.
What if my length is not on the chart?: Use the calculator on the home page. It handles any thickness, width, and length.