Chicken feed calculator

Region and unitsSwitching region converts your amounts and reloads that region’s bag sizes unless you changed them. Your numbers stay in this browser only.

BirdsHow many birds eat from the same feeder.

Stage

Mississippi State Extension and UKY ASC-191: about 1/4 lb (113.4 g) of feed a day

Feed per bird per day (oz)ozStarting value: Mississippi State University Extension, Feeds and Nutrition (undated), 2026-09-19; edit it.Scratch and treats, share of the ration (%)%Scratch grains and kitchen scraps replace complete feed; keep them at or under 10% of the ration (University of Maryland Extension, Feeding the Flock (updated 11 May 2022), 2026-09-19). 0 = none.

The bag you buy

Weight of one bag (lb)lbStarting value: University of Maryland Extension FS-2025-0783, Backyard Layer Flock Economics (page dated Aug 2026), 2026-09-19; edit it.Price of one bag ($)$Starting value: University of Maryland Extension FS-2025-0783, Backyard Layer Flock Economics (page dated Aug 2026), 2026-09-19; edit it.

Result

Complete feed per bird per day: 4.0 oz
Feed for 6 birds per day: 1.5 lb
Feed per month: 45.7 lb
Bags per month: 0.9 (buy 1)
One bag lasts: 33 days
Cost per month: $13.70
Cost per bird per month: $2.28

Starting figure for laying hen, standard breed: Mississippi State University Extension, Feeds and Nutrition (undated), 2026-09-19. Real intake varies with breed, weather, laying and how much the birds forage; set the feed per bird to what your flock actually finishes. Bags per month is exact first, then rounded up to what you buy.

Free calculator by HobbyFarmFeed. Open the full version for the other animals, the guide and the sources. Planning estimates, not veterinary advice.