Pipe Tools & Calculators

Kelly Resources

Theoretic Weight of Steel Circles

THICKNESS, INCHES
DIA 1/8 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 15/16 7/8 1
1 .028 .042 .056 .069 .083 .097 .111 .125 .139 .153 .167 .181 .195 .223
2 .111 .166 .222 .278 .333 .389 .441 .502 .557 .612 .668 .724 .779 .892
3 .249 .375 .500 .626 .749 .874 .999 1.13 1.25 1.37 1.50 1.63 1.75 2.01
4 .444 .666 .888 1.11 1.33 1.55 1.76 2.01 2.20 2.45 2.67 2.90 3.12 3.57
5 .693 1.04 1.388 1.74 2.08 2.43 2.78 3.14 3.48 3.89 4.18 4.62 4.87 5.58
6 .998 1.50 2.00 2.51 3.00 3.50 4.00 4.52 5.01 5.51 6.01 6.50 7.01 8.30
7 1.36 2.04 2.72 3.41 4.08 4.76 5.44 6.15 6.82 7.50 8.19 8.87 9.55 10.83
8 1.77 2.66 3.55 4.45 5.33 6.22 7.11 8.03 8.91 9.80 10.69 11.58 12.47 14.28
9 2.25 3.37 4.50 5.69 6.74 7.87 9.00 10.16 11.28 12.41 13.53 14.60 15.78 18.07
10 2.77 4.16 5.55 6.96 8.33 9.72 11.11 12.54 13.93 15.36 16.71 18.10 19.49 22.51
11 3.35 5.04 6.72 8.42 10.07 11.76 13.44 15.18 16.85 18.53 20.21 21.90 23.58 26.99
12 3.99 5.99 8.00 10.12 11.99 13.99 15.99 18.06 20.05 22.05 24.05 26.06 28.06 32.12
13 4.69 7.03 9.38 11.76 14.07 16.42 18.77 21.11 23.53 25.88 28.23 30.58 32.93 37.70
14 5.43 8.16 10.88 13.64 16.32 19.04 21.77 24.58 26.29 30.02 32.74 35.47 38.19 43.72
15 6.24 9.37 12.49 15.66 18.73 21.86 24.99 28.22 31.33 33.46 37.59 40.71 43.84 50.19
16 7 11 15 18 22 25 29 32 35 39 42 46 49 56
17 9 12 16 20 24 28 32 36 40 44 48 52 56 64
18 9 14 18 23 27 32 36 40 45 49 54 58 63 71
19 10 15 20 25 30 35 40 45 50 55 60 65 70 80
20 11 17 23 28 34 39 45 50 55 61 66 72 77 88
21 12 19 25 31 37 43 49 55 61 67 73 79 85 97
22 14 20 27 34 41 47 54 60 67 73 80 87 93 107
23 15 22 30 37 44 52 59 66 73 80 88 95 102 117
24 16 24 32 40 48 56 64 71 79 87 95 103 111 127
25 18 26 35 44 53 61 70 78 86 95 103 112 121 138
26 19 28 38 47 56 66 75 84 93 103 112 121 131 149
27 20 30 41 51 61 71 81 91 101 111 121 131 141 161
28 22 33 44 55 65 76 87 97 108 119 130 141 152 173
29 24 35 47 59 71 82 94 104 116 127 139 151 163 186
30 25 38 50 63 75 88 100 112 124 137 149 162 174 199
31 27 40 54 67 80 94 107 119 133 146 159 173 186 212
32 29 43 57 71 86 100 114 127 141 156 170 184 198 226
33 30 45 61 76 91 106 121 135 150 165 180 196 211 241
34 32 48 65 81 97 113 129 144 150 176 192 208 224 255
35 34 51 68 85 102 119 136 152 169 186 203 220 237 271
36 36 54 72 90 108 126 144 162 180 198 216 234 252 288
37 38 57 76 95 115 134 153 172 191 210 229 248 267 306
38 40 60 80 100 121 141 161 181 201 221 241 261 281 327
39 42 64 85 106 127 148 169 190 212 233 254 275 296 338
40 45 67 89 111 134 156 178 200 223 245 267 289 312 356
41 47 70 94 117 141 164 187 211 234 258 281 304 327 374
42 49 74 98 123 148 172 197 221 246 270 295 319 344 394
43 52 77 103 129 155 160 206 232 258 283 309 335 360 412
44 54 81 108 135 162 188 215 242 269 298 323 350 377 430
45 56 65 113 141 169 197 225 253 282 310 338 366 394 450
46 59 88 118 147 177 206 235 265 294 324 353 383 412 475
47 62 92 123 154 185 215 246 277 308 338 369 399 430 492
48 64 96 128 160 193 225 257 289 321 353 385 417 449 514
49 67 100 134 167 201 234 257 301 334 367 401 434 467 534
50 70 105 139 174 209 224 279 313 348 383 418 452 487 558
51 – 109 145 181 217 253 289 325 362 398 434 470 506 576
52 – 113 151 189 226 263 301 339 376 414 452 489 527 606
53 – 117 156 195 235 273 313 352 391 430 459 508 547 626
54 – 122 162 208 244 284 325 365 406 446 487 527 568 650
55 – 126 168 210 253 295 337 379 421 463 505 547 589 674
56 – 131 175 218 262 305 349 393 436 480 524 567 610 698
57 – 136 181 226 272 317 362 407 453 498 543 587 633 724
58 – 141 187 234 281 328 375 421 468 515 562 609 655 750
59 – 145 194 242 291 339 387 436 484 533 581 620 679 774
60 – 150 200 250 301 351 401 451 501 551 601 651 701 802
61 – 155 207 259 311 362 414 466 518 569 621 673 624 826
62 – 161 214 268 321 375 428 482 535 589 642 695 749 856
63 – 166 221 276 332 387 442 497 553 608 663 718 774 884
64 – 171 228 285 342 399 456 513 570 627 684 741 798 912
65 – 177 235 294 353 412 471 529 588 647 706 754 823 942
66 – 183 243 303 364 425 485 546 607 667 728 788 848 970
67 – 188 280 313 375 438 500 563 625 688 750 812 874 1000
68 – 193 257 322 386 450 515 579 643 706 772 835 900 1030
69 – 199 265 331 396 464 530 596 663 729 795 861 927 1060
70 – 205 273 341 409 477 545 613 682 750 818 886 954 1090
71 – 211 281 351 421 491 561 631 702 772 843 912 982 1122
72 – 217 289 361 433 505 577 649 722 794 866 937 1009 1154
73 – 228 297 371 445 519 593 667 742 816 900 964 1038 1186
74 – 226 305 381 458 534 610 686 763 839 925 990 1066 1220
75 – – – 391 470 548 626 704 783 – – – – –

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