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Attempting to estimate the weight of a pike from its
length is a risky business. For any given length pike can vary in weight by a
great amount. There are a number of factors which can govern overall weight -
the quality and availability of food, and the length of time which has passed
since the pike's last meal being just two. Weight also varies depending on time
of year and the state of development of the ovaries in female pike. Length
(inches) | Probable
common
variations
(pounds) | Average
of
probable
common variations
(pounds) | Probable
mean
weight
(pounds) | Extreme
expectation
of weight
(pounds) |
| 39 | 16.5
to 24.5 | 20.5 | 22 | 27 |
| 40 | 18
to 28.5 | 23.25 | 24.5 | 32.75 |
| 41 | 19
to 31.5 | 25.25 | 27.25 | 36 |
| 42 | 20.5
to 34 | 27.25 | 29.5 | 39 |
| 43 | 21.5
to 36.5 | 29 | 32.25 | 41.25 |
| 44 | 23
to 39 | 31 | 34.5 | 43.75 |
| 45 | 24.5
to 41.5 | 33 | 37 | 46 |
| 46 | 26
- 44 | 35 | 39.5 | 48.5 |
| 47 | 27.75
- 46.25 | 37 | 42 | 50.75 |
| 48 | 29.5
to 48.75 | 39.125 | 44.5 | 53.25 |
| 49 | 32.5
to 51.25 | 41.875 | 47 | 55.5 |
| 50 | 33.75
to 53.75 | 43.75 | 49.5 | 58 |
| 51 | 36
to 56.25 | 46.125 | 53 | 60.25 |
| 52 | 38.5
to 58.75 | 48.625 | 54.5 | 62.75 |
| 53 | 41
to 61 | 51 | 56.75 | 65 |
The table above is based on that
compiled by Fred Buller to cover a range of possible condition variations. Length
measurements are tip of snout to fork of tail. To convert extreme length (snout
to tip of tail) to fork length divide by 1.055. To convert fork length to extreme
length multiply by 1.055.
WEIGHT
CALCULATION FORMULA
There is also
a formula that might be of some use in calculating approximate weights of pike
(in pounds) if you have the girth and extreme length measurements (in inches).
The formula is:
weight = length x girth x girth ÷ 800
(W =
L x G2 ÷ 800)
Back to Pike Index
We are indebted to Fred Buller for permission to use his classic
book "Pike" as a source for information on this page.
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