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calculating weight
Several formulas I got from a "textbook" and wrote down in the back of
my logbook. Sorry I dont have the author and title handy.
I think these are based on statistical studies and are expected to be
accurate
to maybe within about 10 percent.
H = heartgirth in inches
L = length from point of shoulder to point of hip in inches
H^2 is "H squared", that is H times H
H^3 is "H cubed" that is H times H times H
1) weight (lb) = (H^2 x L) / 241.3
(supposed to be a good estimate for most horses in general)
2) weight (lb) = H^3 x 1.4475
(supposed to be a good estimate for adult male horses)
3) weight (lb) = H^3 x 1.4341
(supposed to be a good estimate for adult female horses)
4) weight (lb) = (.1387 x H + 0.4)^3
(supposed to be a good estimate for colts to 5 years)
5) weight (lb) = (.1382 x H + 0.344)^3
(supposed to be a good estimate for fillies to 5 years)
Glenn Foster
SE Michigan
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