1 square feet = 12 boards

2 square feet = 24 boards

3 square feet = 36 boards

4 square feet = 48 boards

5 square feet = 60 boards

6 square feet = 72 boards

7 square feet = 84 boards

8 square feet = 96 boards

9 square feet = 108 boards

10 square feet = 120 boards

11 square feet = 132 boards

12 square feet = 144 boards

13 square feet = 156 boards

14 square feet = 168 boards

15 square feet = 180 boards

16 square feet = 192 boards

17 square feet = 204 boards

18 square feet = 216 boards

19 square feet = 228 boards

20 square feet = 240 boards

21 square feet = 252 boards

22 square feet = 264 boards

23 square feet = 276 boards

24 square feet = 288 boards

25 square feet = 300 boards

26 square feet = 312 boards

27 square feet = 324 boards

28 square feet = 336 boards

29 square feet = 348 boards

30 square feet = 360 boards

31 square feet = 372 boards

32 square feet = 384 boards

33 square feet = 396 boards

34 square feet = 408 boards

35 square feet = 420 boards

36 square feet = 432 boards

37 square feet = 444 boards

38 square feet = 456 boards

39 square feet = 468 boards

40 square feet = 480 boards