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Technical Information : PIW Calculator
To determine the theoretical weight of a coil, measure the ID and OD of the coil.
Determine the PIW from the chart below. Then multiply the PIW by the width of the coil in inches.
| Outer Diameter |
16" Inside Diameter |
20" Inside Diameter |
| |
Weight |
| 17" |
8 |
|
| 18" |
15 |
|
| 19" |
24 |
|
| 20" |
33 |
|
| 21" |
42 |
10 |
| 22" |
51 |
19 |
| 23" |
61 |
29 |
| 24" |
72 |
40 |
| 25" |
83 |
50 |
| 26" |
94 |
62 |
| 27" |
106 |
74 |
| 28" |
119 |
86 |
| 29" |
132 |
99 |
| 30" |
145 |
112 |
| 31" |
158 |
125 |
| 32" |
172 |
140 |
| 33" |
186 |
154 |
| 34" |
202 |
169 |
| 35" |
217 |
185 |
| 36" |
233 |
201 |
| 37" |
250 |
217 |
| 38" |
266 |
234 |
| 39" |
283 |
251 |
| 40" |
302 |
269 |
| 41" |
320 |
287 |
| 42" |
338 |
306 |
| 43" |
357 |
325 |
| 44" |
376 |
344 |
| 45" |
396 |
364 |
| 46" |
417 |
384 |
| 47" |
438 |
405 |
| 48" |
459 |
426 |
| 49" |
480 |
448 |
| 50" |
503 |
471 |
| 51" |
525 |
493 |
| 52" |
548 |
516 |
| 53" |
572 |
540 |
| 54" |
596 |
560 |
| 55" |
616 |
584 |
| 56" |
640 |
609 |
| 57" |
666 |
634 |
| 58" |
690 |
659 |
| 59" |
717 |
685 |
| 60" |
744 |
711 |
| 61" |
771 |
739 |
| 62" |
799 |
766 |
| 63" |
826 |
794 |
| 64" |
854 |
822 |
| 65" |
883 |
851 |
| 66" |
912 |
880 |
| 67" |
942 |
910 |
| 68" |
972 |
940 |
| 69" |
1003 |
970 |
| 70" |
1034 |
1001 |
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