# Pumpkin Nook : Weighing Giant Pumpkins

## Pumpkin Nook : Weighing Giant Pumpkins

Your pumpkin is growing so quickly that it looks like
it is about to burst out of it’s skin. You wonder just how much it really
weighs. You might even pick it up gently, an inch or so above the ground
to get an idea of how much it weighs. You also might want to plot it’s growth,
after all this is half the fun.

There is a measurement system that is reliable to measure
your monster right in your own patch. Perfect? No. But, it is more than good
enough to tell you approximately how much your beast weighs while it is still
growing in the garden. You can get an official weight on the scale at a weighoff
this fall. But for now, this method works great to give you a reliable way

There are two basic measures, the Over the Top method
(OTT)
and Circumference method.

Many thanks go out to Len Stellpflug and David Martin for having measured
and weighed well over 1,000 giant pumpkins to compile the weight tables.

Len Stellpflug is a lifetime grower from Rush, N.Y. He has personally grown
a pumpkin over 1,000 pounds and has won many weighoffs over the years. He
is the author of the instructions for weighing giant pumpkins found here.

David Martin from Little Britain, Ontario used Multiple Regression Analysis
to obtain equations that best fit the data. He and Len prepared the Weight
Tables from those equations.

.ps It only stands to reason that it took cooperative international
efforts to produce the very best and most accurate weight tables!!!!

The OVER-THE-TOP method provides the BEST estimates. This requires
adding Circumference to the two Over-the-Top measurements taken from
ground-to-ground from side-to-side and end-to-end.

Take these three measures described below, and sum the total. Then, go to
the OTT Table to find the weight. Go to OTT table now

#1Circumference: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.

#2 Over the Top Stem to Blossom: Take your tape
measure and place one end on the ground by the stem. Lay the tape over the
pumpkin, and to the ground at the blossom end. Try to place it straight down
to the ground.

#3 Over the Top Side to Side: Place your tape
measure on the ground at the side of your pumpkin at it’s widest point. Lay
the tape over the pumpkin to the other side of the pumpkin, placing the tape
on the ground on each side. As in step #2, bring the tape as straight
down as possible.

Go to the Table{amp}gt;{amp}gt;{amp}gt;{amp}gt;{amp}gt; Over the Top method
(OTT)

The CIRCUMFERENCE measurement is quicker and gives consistent measurement
of overall growth. It DOES NOT provide good estimates for unusually high,
flat, long or short fruit. It is useful to estimate day-to-day increases.

Taking the correct measurement is very important.

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.

Go to the Table{amp}gt;{amp}gt;{amp}gt;{amp}gt;{amp}gt; Circumference
method

Here are the percents of your estimates that you can expect to be within
the accuracy ranges shown:
 Accuracy range OTT Method Circumference Method ± 5 % 46.8 % 24.7 % ± 5.01 to ± 10 % 31.8 % 25.3 % ± 10.01 to ± 15 % 12.8 % 22.8 % over ± 15.01 % 8.6 % 27.2 %

Now for the easy part. There are 2 methods (equations) for calculating the weight. One is based only on the circumference and the other uses the sum of our OTT measurements. The circumference method is better for day to day comparisons to see how fast the pumpkin is growing while the OTT method yields a better estimate of the real weight. In our hero’s case, circumference was equal to 63 1/4″ and the OTT equals (63 1/4 45 45 5/8) 153 7/8″. Only the mathematicians want to know that the weight of the pumpkin is equal to 0.001517*POWER(circumference,2.61374) or
0.0000795*POWER(OTT,2.76)
The rest of you want to know how much does it weigh. Fire up your spreadsheet and fill it in as below. Column A will have your circumference (that�s why it is labeled C in cell A3. Column B will have blossom to stem (BS) and you guessed it column C will have your side to side measurements. For column D, click in the cell D4 then press the large key and type SUM(A4:C4) and press enter. For column E, click in the cell E4 then press the large key and type 0.0000795*POWER(D4,2.76) and press enter. For the last column F, click in the cell F4 then press the large key and type 0.001517*POWER(A4,2.61374) and press enter. Now, whenever you enter your C, BS, and SS measurements the OTT column will automatically show the sum and the E and F columns will show the calculated weights. (someday this will all be a built-in function on your Pumpkin-Pilot XXIV) You can see by the OTT method our hero weighs 86.6. See Figure 5 below.

Click on Pumpkin count to view details.

 2 356.700000 2 374.000000 — 1 631.000000 , 1 1041.500000 ? 1 1168.000000 / 2 772.000000 1 2 1541.500000 Östergötland 2 1756.000000 Łódzkie 16 663.875000 Alabama 29 776.637931 Alaska 297 406.643771 Alberta 78 890.535897 Antwerp 1 669.300000 Aragon 6 336.000000 Arizona 9 276.611111 Arkansas 1 854.900000 Śląskie 4 354.500000 AZ 14 574.042857 Baden-Wuerttemberg 1 118.200000 Basque Country 28 889.964286 Bavaria 3 760.233333 Bayern 4 1444.325000 Belgium 2 236.500000 Berlin 6 199.750000 Berlin-Brandenburg 93 484.048387 Brandenburg 1 815.700000 BRETAGNE 178 629.600000 British Columbia 5 816.900000 CA 4 1023.625000 Ca. 1459 708.707882 California 8 833.400000 Campania 5 824.460000 Caserta 4 716.500000 Catalonia 1 466.000000 Celibe 1 418.700000 Central Finland 2 638.500000 Centre 55 909.505455 CO 567 509.952557 Colorado 540 657.227407 Connecticut 5 1079.940000 Delaware 10 464.300000 Deutschland 8 1211.112500 East Flanders 3 702.666667 East Sussex 5 1296.740000 Emilia-Romagna 32 729.093750 England 5 1183.900000 Flemish Brabant 4 342.000000 Florida 2 811.850000 Friesland 1 1124.400000 Gelderland 11 887.209091 Georgia 2 796.400000 Gloucestershire 1 1025.000000 Grigioni 7 247.228571 Hertfordshire 7 856.200000 Hesse 6 1126.183333 Hessen 28 835.357143 Idaho 72 453.597222 IL 257 765.359144 Illinois 413 649.189104 Indiana 478 696.262971 Iowa 1 777.000000 Iowa US 1 601.900000 Italy 1 745.000000 Kalmar 55 330.970364 Kansas 1 787.000000 Kent 181 825.162155 Kentucky 1 469.600000 Kymenlaakso 6 245.016667 La Rioja 1 385.800000 Lazio 25 458.960000 Limburg 9 957.111111 Lombardia 43 580.332558 Lombardy 38 517.686842 Lower Austria 1 1237.000000 ma 455 690.577143 Maine 1 1376.000000 Manawatu 347 594.385014 Manitoba 1 970.000000 Marche 24 652.895833 Maryland 586 889.465017 Massachusetts 3 397.666667 ME 1 889.600000 Mecklenburg-Vorpommern 8 933.812500 mi 963 839.943406 Michigan 505 880.992119 Minnesota 73 426.248630 Missouri 17 969.882353 MN 1 525.000000 MO 48 454.833333 Montana 12 753.691667 NA 1 1103.300000 NAN TOU 21 423.619048 Navarre 4 656.500000 NC 1 945.000000 ND 8 455.500000 NE 27 494.481481 Nebraska 7 304.528571 Nevada 377 585.998674 New Brunswick 275 998.306909 New Hampshire 12 711.416667 New Jersey 4 404.250000 New Mexico 6 620.433333 New Taipei City 1270 751.128079 New York 6 693.750000 NJ 6 314.533333 North Brabant 204 574.515196 North Carolina 53 823.198113 North Dakota 4 582.850000 North Holland 10 495.620000 North Rhine-Westphalia 25 621.296000 Northrhine-Westphalia 11 691.636364 NOTTINGHAMSHIRE 513 799.233138 Nova Scotia 3 715.633333 Novellara 2 1233.000000 NS 16 694.750000 NY 10 1047.610000 Oberkreuzstetten 69 1056.362319 OH 1678 728.109088 Ohio 24 352.687500 Oklahoma 83 1164.037349 ON 1463 804.472447 Ontario 10 1908.100000 Oost-Vlaanderen 11 378.954545 Or 888 748.671509 Oregon 1 65.700000 Otago 1400 627.049236 Other 16 1130.956250 Overijssel 3 311.033333 oxon 1434 810.364568 Pennsylvania 1 1261.000000 Perzów 12 560.408333 Piedmont 1 1183.900000 Piemonte 14 936.500000 Prince Edward Island 575 711.658783 Quebec 10 453.650000 Rhineland-Palatinate 394 959.123858 Rhode Island 2 466.950000 Saarland 10 772.620000 Sachsen 17 728.117647 Saskatchewan 11 279.054545 Saxony 9 436.877778 Saxony-Anhalt 2 1185.500000 Serbia 10 569.820000 South Carolina 183 736.444262 South Dakota 19 806.352632 South Holland 1 1006.600000 South-Holland 7 420.828571 Styria 7 802.228571 Subcarpathia 1 964.500000 Taiwan 2 1347.000000 Taranaki 99 789.550505 Tennessee 2 289.500000 Texas 14 410.035714 Thuringia 6 548.000000 tn 39 499.200000 Tuscany 3 1191.200000 UK 5 663.360000 Umbria 3 1104.333333 unk 333 817.196396 Unknown 1610 481.392429 Unknown state 1 821.500000 unsure 5 766.860000 Upper Austria 6 1071.083333 UT 391 554.685243 Utah 6 279.250000 Utrecht 3 216.933333 Uusimaa 2 436.500000 Veneto 296 829.933041 Vermont 6 299.000000 Vienna 21 770.142857 Virginia 1 905.400000 Vorarlberg 1 604.500000 VT 19 821.815789 WA 1 1288.000000 Wa. 1057 783.596026 Washington 78 718.373077 West Virginia 1 859.800000 West- Vlaanderen 3 496.100000 West-Vlaanderen 33 999.333333 WI 1 1579.000000 Wielkopolskie 1407 838.990476 Wisconsin 3 966.166667 WV 46 764.554348 Wyoming 1 22.000000 Zeeland 8 1080.900000 ZH 4 1240.475000 Zuid-Holland

## Giant Pumpkin Weight Estimation – How To:

• Take the three measurements outlined below
• Add them together to get a total figure
• Find it or the closest to it in the charts to find your estimate
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