# Correct formula for total penis size

Discussion in 'Sex With a Large Penis' started by Imported, Mar 18, 2005.

1. ### Imported Gold Member

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erospace: Hi,

I guess this is not new stuff, but here is a simple formula for calculating
your total size (= volume) of your cock, and compare it to the average.

You can get your volume by easily (?) measure circumference( C) and length(L).
(Assumtion: Penis is a cylinder. Try and estimate an average circumference).

Total size = V = A *L = (C*C/12.56)*L

This is based on these three formulas:

C= 2*PI*R

Area(A) (=thickness) = PI*R**2

Volume(V) = Area * Lenght

Some calculus gives:

A= C**2/4*PI = C**2/12.56 (or: C*C/12,56)

Total size = V = A *L = (C*C/12.56)*L

For me personally, it gives this nice result (in european units):

C = 18 cm
L = 22 cm

V= total size = A*L = (C*C/12.56)*L =(18*18/12.56)*22 = 566 cm**3
(over half a liter of cock)

Average cock: V = A*L = (C*C/12.56)*L = (12*12/12.56)*15 = 172 cm**3

566/172 = 3,3 ie my junior is 3,3 times as big as average.

The "average" cock measured in inches:

L = 6 inches
C = 4,75 inches (aren`t these ca the numbers?)

gives: Total size = V = 10,5 Inches**3, mine is 34,5 inches**3

Q.E. D.........

2. ### Pecker Retired Moderator Gold Member

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Yes, ero, this has been discussed several times on LPSG over the years. The one thing that we were able to agree upon was that volume formulae only work on perfect cylinders, not on the penis.

Close, yes, but no cigar.

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3. ### pippi VerifiedGold Member

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You can measure the actual volume of a penis (or anything else) like archimedes discovered. Submerge it into water and see how much water it replaces. It is not very easy to do it with your penis in an acurate way, but sure better than calculating based on the assumption, that it is a perfect cylinder.
Yes, i have done it with my own piece and come up with 220ml (220 cubic centimeters) which translates, assuming that it has the same specifc weight like water, into 220g or a bit under 1/4 kg.
This is the measurement of an, in my eyes, high end average penis.
So this waht happens when someone technically/sientific inclined has a penis fetish. (I call it like this because i prefer straight sex, but still im very curiuous also about other mens peni)

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4. ### Imported Gold Member

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erospace: Nice&#33; Ill try that&#33; And you dont have to do any specific weight assumtion, that is only if it floats, here: just put it in (haha)&#33;

And about that cylinder-assumtion: it cannot be a big problem to estimate an average circumference, can it?

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Well, the penis is different girts in different places, for most men. Not to mention that the head (which sure counts in length) is in no way cylindrical in shape. I would think the displacement method would be more accurate, except that even eretions at different times can vary.

Sometimes a cigar is just a cigar.....

6. ### big_peter New Member

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Archemides - DISplacement (sorry, not replacement)
Yes, the Best method for calculating the size of irregular objects

(once I had a design of a mustard jar tested... yes, I had done all the calculations via area x height... a comples set of curves... different front to back from left/right... anyway, I was off by a measly 2% on the test model... much to my client&#39;s dismay&#33

Or.. you can use the KISS principle (Keep It Simple, Stupid) - copy the Bobbitt method... cut it off and dump it carefully into the volume of water to find the diplacement. There&#33; done in a minute&#33;

7. ### jonb Gold Member

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Yeah, depending on the guy, the head will either be a dome or a cone.

BTW, I seriously doubt volume matters much. Surface area indicates just how much vaginal tissue the penis will touch.

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8. ### Cobalt Blue Gold Member

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On the contrary, I believe volume is the only measurement that matters :9

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