You asked for it,
so you got it: the norm for just about everything sex-related.
How do you stack up?
Average
Body Dimensions
bordercolor="#FFFFFF" bordercolordark="#FFFFFF"
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color="#000000">Male
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align="left" style="TEXT-ALIGN: center">
color="#000000">Female
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align="left">Height
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align="left" style="TEXT-ALIGN: center">
color="#000000">5'9" (1.77 meters)
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align="left" style="TEXT-ALIGN: center">
color="#000000">5'3.5" (1.65 meters)
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align="left">Weight
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align="left" style="TEXT-ALIGN: center">
color="#000000">172 lbs.
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align="left" style="TEXT-ALIGN: center">
color="#000000">143 lbs.
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align="left">Chest
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align="left" style="TEXT-ALIGN: center">
color="#000000">37-39" (98-102 cm.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">35.9" (91.2 cm.)*
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align="left">Waist
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align="left" style="TEXT-ALIGN: center">
color="#000000">31-34" (80-87 cm.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">29" (72 cm.)
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align="left">Thigh
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align="left" style="TEXT-ALIGN: center">
color="#000000">21" (54 cm.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">22-24" (56-61 cm.)
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align="left">Hips
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align="left" style="TEXT-ALIGN: center">
color="#000000">36" (92 cm.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">39" (100 cm.)
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align="left">* see Average
Bust Size
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Average Penis Size
Almost 88% of all men fall between 5-7 inches when erect, and
when relaxed the majority (again, 90%) fall within 3 to 5 inches.
Recently (well, in
1988) Paul L. Jamison and Paul H. Gebhard subjected the Kinsey
data to an intense statistical analysis, ironing out certain
anomalies, correcting subject bias and measurement error with
various mathematical operations we need not go into here. Their
results (shown below) were published in the Journal
for Sex Research (vol. 24, pp. 177-183).
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color="#000000">Mean
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align="left" style="TEXT-ALIGN: center">
color="#000000">Standard Deviation
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align="left">Flaccid penis
length (in.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">3.89
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align="left" style="TEXT-ALIGN: center">
color="#000000">0.73
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align="left">Erect penis
length (in.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">6.21
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align="left" style="TEXT-ALIGN: center">
color="#000000">0.77
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align="left">Flaccid penis
circumference (in.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">3.75
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align="left" style="TEXT-ALIGN: center">
color="#000000">0.65
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align="left">Erect penis
circumference (in.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">4.85
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align="left" style="TEXT-ALIGN: center">
color="#000000">0.71
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align="left">Erectile
increase in length (in.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">2.30
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align="left" style="TEXT-ALIGN: center">
color="#000000">0.71
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align="left">Erectile
increase in circumference (in.)
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align="left" style="TEXT-ALIGN: center">
color="#000000">1.11
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align="left" style="TEXT-ALIGN: center">
color="#000000">0.52
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Average Testicle
Size
2 inches long, 0.8 inch in breath, and 1.2 inches in diameter (5
x 2 x 3 cm).
Average Vagina Size
3 inches along the posterior wall with a diameter of 0.8 inches,
though in stimulated phase it balloons to 3.75-4.1 in long by 2.3-2.5
inches in diameter.
Average Clitoris
Length
1 inch, though the part that shows, called the clitoral glans, is
0.20 inches long.
Average Vaginal
Acidity
4.0 to 5.0 on the pH scale--fairly acidic.
Average Hymen
Thickness
0.05-0.10 inches (0.125-0.25 cm.).
Average Ovary Size
1.5 inches long by 0.75 inches in breadth by 1 inch thick (3.75 x
2 x 2.5 cm.).
Average Bust Size
The average bust line for American women is 35.9 inches (91.2 cm).
The typical bra size is 34B, with the proportions of women's cup
sizes breaks down to the following: A-15%, B-44%, C-28%, D-10%,
while the remaining 3% are AA, AAA, DD and beyond. Interestingly,
manufacturers of women's clothing agree that the average American
woman's bust size has expanded in recent decades, if only by
fractions of an inch, due to improved diet and birth control
pills.
Average Nipple Size
(male)
0.22 inches (5.5 mm).
Average Nipple Size
(female)
0.27 inches (6.79 mm).
Average Areola Size
(female)
1.4 inches (35.62 mm).
Average Erection
Angle
15 degrees above horizontal.
Average Time to
Achieve Erection
3-8 seconds.
Average Erection
Duration
The following is a partial reprint from Sexual
Behavior in the Human Male (W. B. Saunders,
1948) by Kinsey et. al.
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style="TEXT-ALIGN: center">Age
Group
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bgcolor="#ffffff">
style="TEXT-ALIGN: center">Median
Duration of Erection in Minutes
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align="left" style="TEXT-ALIGN: center">
color="#000000">Adol.-15
16-20
21-25
26-30
31-35
36-40
41-45
46-50
51-55
56-60
61-65
66-70
71+
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align="left" style="TEXT-ALIGN: center">
color="#000000">12.00
42.88
54.43
53.09
47.24
40.62
31.07
29.02
21.62
26.67
19.50
7.00
0.00
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As you can see,
duration peaks for the 21-25 age group, and from there on in is a
long, slow slide into oblivion.
Average Ejaculatory
Speed
28 miles per hour (45 km/hr). Once it enters the vagina, the
sperm takes 5 minutes to cross the 6 inches of territory to the
cervix (.0011 mph), namely because they no longer have flight
accommodations and must hoof it on foot, so to speak.
Average Ejaculatory
Volume
4 cc. or about one teaspoon, with enormous variation between
individuals and times.
Average Ejaculate
Calorific Content
Between 2 to 5 calories or so.
Average Sperm
Length
4 microns.
Average Sperm
Concentration
20 million sperm per milliliter.
Average Seminal
Alkalinity
7.0 to 8.0 on the pH scale.
Average Seminal
Viscosity
0.00935 Pa. s (water, by comparison, has a viscosity of 0.001 Pa.
s).
Average Durability
of Sperm
Sperm typically survive 48 hours within the female body.
Average Number of
Sperm
300-500 million sperm are released every ejaculation, and 1.2
trillion sperm are produced during a man's lifetime.
Average Ovum Size
1/175th of an inch (0.14
mm.), slightly smaller than the period ending this sentence.
Interestingly, this is the largest cell in the human body.
Average Duration of
Ovum Fertility
The female egg will remain fertile for about 24 to 48 hours.
Average Number of
Ova
400,000. Unlike men, who continually replenish his supply of
sperm, women have a set amount of ova that's determine at birth.
Only 400 are ever released during a woman's lifetime, and their
quality deteriorates over time—ample reason why if you plan
on conceiving a child, you'd better do it before age 40.
Average Age of
Menarche (Onset of Menstruation)
12.5 years. Interestingly, a study in 1962 showed that this age
has decreased by four months every decade since 1830.
Average Menstrual
Flow
Approximately 50 to 175 cc., or one-quarter to one-half a cup.
Average Menstrual
Cycle Duration
28 days.
Average Period
Duration
5 days.
Average Age of
Menopause
48-49 years.
Average Coitus
Calorie Expenditure
100 calories, at a rate of 6 per minute (Meaning, if you work out
the equations, you're expending the equivalent of 419 Watts. If
only there were some way of harvesting all that energy…)
Average Frequency
of Coitus
2.5 times weekly.
Average Time to
Orgasm (male)
Kinsey found that 75% of all males reach orgasm within 2 minutes
of penetration, and felt that it was normal, though he does note
that it "may be most unsatisfactory to a wife who is
inhibited or natively low in response." Way to state the
obvious, doc.
Average Duration of
Orgasm (male)
3-5 seconds.
Average Time to
Orgasm (female)
Females in Kinsey's studies averaged a little less than 4 minutes
to reach orgasm during masturbation, though for coitus it took
anywhere from 10 to 20 minutes.
Average Duration of
Orgasm (female)
5-8 seconds. Orgasmic contractions in both sexes occur at
intervals of 0.8 seconds.
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