ลำดับที่ | Thickness | Unit Weight | Width x Length, ft2 Area, ft2 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3 x 6 | 4 x 8 | 4 x 10 | 4 x 16 | 4 x 20 | 5 x 10 | 5 x 20 | 5 x 30 | 5 x 40 | 6 x 30 | 6 x 40 | |||
mm. | kg./ft2 | 18 | 32 | 40 | 64 | 80 | 50 | 100 | 150 | 200 | 180 | 240 | |
1 | 3.2 | 2.334 | 42 | 74.7 | 93.4 | 149 | 187 | 117 | 233 | 350 | 467 | 420 | 560 |
2 | 4.5 | 3.282 | 59.1 | 105 | 131 | 200 | 263 | 164 | 328 | 492 | 656 | 591 | 788 |
3 | 5 | 3.646 | 65.6 | 117 | 146 | 233 | 292 | 182 | 365 | 547 | 729 | 656 | 875 |
4 | 6 | 4.376 | 78.8 | 140 | 175 | 280 | 350 | 219 | 438 | 656 | 875 | 788 | 1,050 |
5 | 7 | 5.105 | 91.9 | 183 | 204 | 327 | 408 | 255 | 510 | 766 | 1,021 | 919 | 1,225 |
6 | 8 | 5.384 | 105 | 187 | 233 | 373 | 467 | 292 | 583 | 875 | 1,167 | 1050 | 1,400 |
7 | 9 | 6.564 | 118 | 210 | 263 | 420 | 525 | 328 | 656 | 985 | 1,313 | 1,182 | 1,575 |
8 | 10 | 7.293 | 131 | 233 | 292 | 467 | 583 | 365 | 729 | 1,094 | 1,459 | 1,313 | 1,182 |
9 | 11 | 8.022 | 144 | 257 | 321 | 513 | 642 | 401 | 802 | 1,203 | 1,604 | 1,444 | 1,925 |
10 | 12 | 8.752 | 158 | 280 | 350 | 560 | 700 | 438 | 875 | 1,313 | 1,750 | 1,575 | 2,100 |
11 | 12.7 | 9.262 | 167 | 296 | 370 | 593 | 741 | 463 | 926 | 1,389 | 1,852 | 1,667 | 2,223 |
12 | 13 | 9.481 | 171 | 303 | 379 | 607 | 758 | 474 | 948 | 1,422 | 1,896 | 1,707 | 2,275 |
13 | 14 | 10.21 | 184 | 327 | 408 | 653 | 817 | 510 | 1,021 | 1,532 | 2,042 | 1,838 | 2,450 |
14 | 15 | 10.94 | 197 | 350 | 438 | 700 | 875 | 549 | 1,094 | 1,641 | 2,188 | 1,969 | 2,626 |
15 | 16 | 11.67 | 210 | 373 | 467 | 747 | 934 | 684 | 1,167 | 1,750 | 2,334 | 2,101 | 2,801 |
16 | 17 | 12.4 | 223 | 397 | 496 | 794 | 992 | 620 | 1,240 | 1,860 | 2,480 | 2,232 | 2,976 |
17 | 18 | 13.13 | 236 | 420 | 525 | 840 | 1,050 | 656 | 1,313 | 1,970 | 2,626 | 2,363 | 2,151 |
18 | 19 | 13.86 | 249 | 444 | 554 | 887 | 1,109 | 693 | 1,386 | 2,079 | 2,772 | 2,495 | 3,326 |
19 | 20 | 14.59 | 263 | 467 | 584 | 934 | 1,167 | 730 | 1,459 | 2,188 | 2,918 | 262,666 | 3,502 |
20 | 21 | 15.32 | 276 | 490 | 613 | 980 | 1,226 | 766 | 1,532 | 2,298 | 3,064 | 2,758 | 3,677 |
21 | 22 | 16.04 | 289 | 513 | 642 | 1,027 | 1,283 | 802 | 1,604 | 2,406 | 3,208 | 2,887 | 3,850 |
22 | 23 | 16.77 | 302 | 537 | 671 | 1,073 | 1,342 | 838 | 1,677 | 2,516 | 3,354 | 3,019 | 4,025 |
23 | 24 | 17.5 | 315 | 560 | 700 | 1,120 | 1,400 | 875 | 1,750 | 2,625 | 3,500 | 3,150 | 4,200 |
24 | 25 | 18.23 | 328 | 583 | 729 | 1,167 | 1,458 | 912 | 1,823 | 2,734 | 3,649 | 3,281 | 4,375 |
25 | 25.4 | 18.52 | 333 | 593 | 741 | 1,185 | 1,482 | 926 | 1,852 | 2,778 | 3,704 | 3,334 | 4,445 |
26 | 26 | 18.96 | 341 | 607 | 758 | 1,213 | 1,517 | 948 | 1,896 | 2,844 | 3,792 | 3,413 | 4,550 |
27 | 27 | 19.69 | 354 | 630 | 788 | 1,260 | 1,575 | 984 | 1,969 | 2,954 | 3,938 | 4,726 | |
28 | 28 | 20.42 | 368 | 653 | 817 | 1,307 | 1,634 | 1,692 | 1,058 | 2,115 | 3,172 | 4,230 | 3,676 |
29 | 29 | 21.15 | 381 | 677 | 846 | 1,354 | 1,692 | 1,058 | 2,115 | 3,172 | 4,230 | 3,676 | 5,076 |
30 | 30 | 21.88 | 394 | 700 | 875 | 1,400 | 1,750 | 1,094 | 2,188 | 3,282 | 4,376 | 3,807 | 5,251 |
31 | 32 | 23.34 | 420 | 747 | 934 | 1,494 | 1,867 | 1,167 | 2,334 | 3,501 | 4,668 | 3,938 | 5,602 |
32 | 34 | 24.8 | 446 | 794 | 992 | 1,587 | 1,984 | 1,240 | 2,480 | 3,720 | 4,960 | 4,201 | 5,952 |
33 | 36 | 26.25 | 472 | 840 | 1,050 | 1,680 | 2,100 | 1,312 | 2,625 | 3,938 | 5,250 | 4,464 | 6,300 |
34 | 38 | 27.71 | 499 | 887 | 1,108 | 1,773 | 2,217 | 1,386 | 2,771 | 4,156 | 5,542 | 4,725 | 6,650 |
35 | 40 | 29.17 | 525 | 933 | 1,167 | 1,867 | 2,334 | 1,458 | 2,917 | 4,376 | 5,834 | 4,988 | 7,001 |
36 | 45 | 32.82 | 591 | 1,050 | 1,313 | 2,100 | 2,626 | 1,614 | 3,282 | 4,923 | 6,564 | 5,251 | 7,877 |
37 | 50 | 36.46 | 656 | 1,167 | 1,458 | 2,333 | 2,917 | 1,823 | 3,646 | 5,469 | 7,292 | 5,908 | 8,750 |
38 | 55 | 40.11 | 722 | 1,254 | 1,604 | 2,567 | 3,209 | 2,006 | 4,011 | 6,016 | 8,022 | 6,563 | 9,626 |
39 | 60 | 43.76 | 788 | 1,400 | 1,750 | 2,801 | 3,501 | 2,188 | 4,376 | 6,564 | 8,752 | 7,220 | 10,502 |
40 | 65 | 47.4 | 853 | 1,517 | 1,896 | 3,034 | 3,792 | 2,370 | 4,740 | 7,110 | 9,480 | 7,877 | 11,376 |
41 | 70 | 51.05 | 919 | 1,634 | 2,042 | 3,267 | 4,084 | 2,552 | 5,104 | 7,658 | 10,210 | 9,189 | 12,252 |