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To calculate your pumpkin weight, you need to obtain three measurements. If you have a large pumpkin, get a measuring tape longer than 100 inches. If you only have a metal measuring tape, be sure to get some string to be used as your measuring tape. Now lets begin. Be sure to use the graphics below as reference.

Measure the circumference of the fruit parallel to the ground at stem height. This is measurement number 1.

Now place your tape at the plant stem to the ground and to the blossom end to the ground. What is the distance from ground to ground? This is measurement number 2.

Now place your tape perpendicular to the plant stem at the widest portion of the pumpkin. Place the tape at the ground on both sides at this wide spot. Is it perpendicular to the plant stem? Now measure the distance from ground contact to ground contact. This is measurement number 3.

Add all three measurements and find the data in the inches column below and their is your weight.

If you would like to see your total weight using mathematical programs, select one of these two links.

Total measurement. This is a rough weight
Offical details on how to measure

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The Circumference Measurement should be taken where you have the LARGEST Circumference. It WILL NOT always be parallel to the ground. It may be above or below the stem and above or below the blossom point. On most large pumpkins the LARGEST Circumference IS NOT at the stem/blossom level. The LARGEST Circumference is necessary to obtain the most accurate Weight Estimate as most of the Circumference measurements used to obtain the Weight Equations were LARGEST Circumference
Table 1: Over-the-Top Inches vs. Estimated Weight  
Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs.
91 21.4 121 44 151 79 181 130 211 199 241 290 271 407 301 552 331 729 361 941 391 1192
92 22.0 122 45 152 81 182 132 212 201 242 293 272 411 302 557 332 735 362 949 392 1201
93 22.6 123 46 153 82 183 134 213 204 243 297 273 415 303 562 333 742 363 956 393 1210
94 23.2 124 47 154 84 184 136 214 207 244 300 274 420 304 568 334 748 364 964 394 1219
95 23.9 125 48 155 85 185 138 215 210 245 304 275 424 305 573 335 755 365 972 395 1228
96 24.5 126 49 156 86 186 140 216 212 246 308 276 429 306 579 336 762 366 980 396 1238
97 25.2 127 50 157 88 187 142 217 215 247 311 277 433 307 584 337 768 367 988 397 1247
98 25.8 128 51 158 89 188 144 218 218 248 315 278 438 308 590 338 775 368 996 398 1256
99 26.5 129 52 159 91 189 146 219 221 249 318 279 442 309 596 339 782 369 1004 399 1266
100 27.2 130 53 160 93 190 148 220 224 250 322 280 447 310 601 340 789 370 1012 400 1275
101 27.9 131 54 161 94 191 150 221 227 251 326 281 452 311 607 341 795 371 1020 401 1284
102 28.6 132 55 162 96 192 153 222 230 252 330 282 456 312 613 342 802 372 1028 402 1294
103 29.3 133 57 163 97 193 155 223 232 253 333 283 461 313 618 343 809 373 1036 403 1304
104 30.0 134 58 164 99 194 157 224 235 254 337 284 466 314 624 344 816 374 1045 404 1313
105 30.8 135 59 165 101 195 159 225 238 255 341 285 470 315 630 345 823 375 1053 405 1323
106 31.5 136 60 166 102 196 162 226 241 256 345 286 475 316 636 346 830 376 1061 406 1333
107 32.3 137 61 167 104 197 164 227 244 257 349 287 480 317 642 347 837 377 1070 407 1342
108 33.1 138 62 168 106 198 166 228 248 258 353 288 485 318 648 348 844 378 1078 408 1352
109 33.8 139 64 169 107 199 169 229 251 259 357 289 490 319 654 349 852 379 1087 409 1362
110 34.6 140 65 170 109 200 171 230 254 260 361 290 495 320 660 350 859 380 1095 410 1372
111 35.5 141 66 171 111 201 173 231 257 261 365 291 500 321 666 351 866 381 1104 411 1382
112 36.3 142 67 172 113 202 176 232 260 262 369 292 505 322 672 352 873 382 1112 412 1392
113 37.1 143 69 173 115 203 178 233 263 263 373 293 510 323 678 353 881 383 1121 413 1402
114 38.0 144 70 174 116 204 181 234 267 264 377 294 515 324 684 354 888 384 1130 414 1412
115 38.8 145 71 175 118 205 183 235 270 265 381 295 520 325 691 355 896 385 1138 415 1422
116 39.7 146 72 176 120 206 186 236 273 266 385 296 525 326 697 356 903 386 1147 416 1433
117 40.6 147 74 177 122 207 188 237 276 267 389 297 531 327 703 357 911 387 1156 417 1443
118 41.5 148 75 178 124 208 191 238 280 268 394 298 536 328 709 358 918 388 1165 418 1453
119 42.4 149 76 179 126 209 194 239 283 269 398 299 541 329 716 359 926 389 1174 419 1463
120 43.3 150 78 180 128 210 196 240 287 270 402 300 546 330 722 360 933 390 1183 420 1474
                                           
Table 2: Circumference vs. Estimated Weight            
Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs. Inches Lbs.            
31 16.5 51 50.7 71 108 91 198 111 329 131 516 151 753 171 1135 Tables prepared
32 17.8 52 53 72 112 92 204 112 337 132 527 152 768 172 1160 by
33 19.1 53 55.3 73 116 93 209 113 345 133 537 153 783 173 1186 DAVID MARTIN
34 20.5 54 57.7 74 119 94 215 114 353 134 548 154 798 174 1212            
35 21.9 55 60.1 75 123 95 221 115 361 135 558 155 814 175 1239 from equations
36 23.4 56 62.6 76 127 96 227 116 369 136 569 156 830 176 1267 obtained from
37 24.8 57 65.2 77 131 97 233 117 378 137 580 157 847 177 1296 data provided by
38 26.4 58 67.8 78 136 98 239 118 386 138 591 158 864 178 1326 L.B. Stellpflug
39 28 59 70.5 79 140 99 245 119 395 139 602 159 881 179 1356            
40 29.6 60 73.2 80 144 100 251 120 404 140 613 160 899 180 1387            
41 31.3 61 76 81 149 101 258 121 413 141 625 161 918 181 1419 January 2001
42 33 62 78.9 82 153 102 264 122 423 142 636 162 937 182 1452            
43 34.7 63 81.9 83 158 103 271 123 434 143 648 163 956 183 1486            
44 36.6 64 84.9 84 162 104 278 124 444 144 660 164 977 184 1520 David Martin
45 38.4 65 88 85 167 105 285 125 455 145 673 165 997 185 1556            
46 40.3 66 91.2 86 172 106 292 126 465 146 685 166 1019 186 1592            
47 42.3 67 94.5 87 177 107 299 127 475 147 698 167 1041 187 1629            
48 44.3 68 97.8 88 182 108 306 128 486 148 711 168 1063 188 1668 L. B. Stellpflug
49 46.4 69 101 89 187 109 314 129 496 149 725 169 1086 189 1707            
50 48.5 70 105 90 193 110 321 130 506 150 739 170 1110 190 1747            




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