// weight gain calculator
Cost of another 30 days on feed
Feed cost vs. projected market move. All figures $/head unless noted.
live model
$ inputs
// 1 bushel corn = 56 lb. Feed cost = (gain × FCR × corn-share) ÷ 56 × $/bu. Yardage covers hay, vet, labor, interest.
Net per head
+$106.94
Gain: 90 lb
End wt: 840 lb
BE sale: $225.27/cwt
Holding 30 more days pencils — projected value gain exceeds feed + yardage cost.
Feed cost
$35.26
7.8 bu corn
Yardage
$19.50
30 × $0.65
Total cost / head
$54.76
$0.61/lb gain
Gross value change
+$161.70
$1838 → $1999
// sensitivity — net $/head vs. corn price
$3.50/bu
+$115
$4.00/bu
+$111
$4.50/bu
+$107
$5.00/bu
+$103
$5.50/bu
+$99