Free tools
Backyard chicken calculators
Quick answers to the sizing questions every keeper hits, built from the standards the community actually uses. Every tool shows the rule behind its number, so you can check it.
Coop Size CalculatorEnter your flock and get the coop floor, run size, nesting boxes and roost length you need — from the 4 sq ft per bird rule, with the math shown.Feed Cost CalculatorEnter your flock and the price of a bag to see feed cost per month and year, pounds of feed, and bags per month — from the 0.25 lb per bird per day rule.How Many Chickens Should I Get?Work back from the eggs you want per week to how many hens to keep, with the 3-bird minimum and the winter laying drop built in.Egg Production CalculatorEstimate eggs per week at peak and per year from your flock and breed, with the winter slowdown and the annual molt already taken out.Brooder Size CalculatorEnter your chick count and age for the brooder floor space, the heat plate size to look for, and the brooder temperature for that week.