Search PoultryCalc

Coop & Housing

Everything for sizing, building and kitting out a coop and run.

Eggs & Laying

When the eggs start, how many to expect, and what to do when they stop.

Feed & Nutrition

What to feed, how much it costs, and which kitchen scraps are actually safe.

Chicken Health

Working out what is wrong with a bird, and what actually changes the outcome.

Hatching & Chicks

From setting eggs to the day the heat plate comes off.

Cost & Profit

What a flock really costs, and whether the eggs ever pay for themselves.

Coop Size Calculator

Calculate coop floor space, run area, roost length, and nesting box count for your flock.

How Many Chickens Can My Coop Hold?

Enter your coop dimensions to see how many chickens your space safely supports.

Egg Incubation Calculator

Calculate hatch date, candling schedule, and lockdown day for 5 poultry species.

Chick Brooder Temperature Calculator

Get target heatlamp and brooder temperatures by chick age in weeks.

Chicken Feed Cost Calculator

Calculate monthly and annual feed consumption and total feed cost for your flock.

Chicken Startup Cost Calculator

Estimate one-time initial setup costs: coop, run, brooder, chicks, feeder, and waterer.

Nesting Box Calculator

Calculate how many nesting boxes your hens need and recommended box dimensions.

First Egg Calculator

Predict when your pullets will start laying based on hatch date and breed.

Chicken Breed Selector Quiz

Match 30 chicken breeds to your goals: egg production, pet friendliness, cold hardiness.

Chicken Heat Stress Calculator

Calculate Heat Index risk, summer water requirements, and appetite drop in summer.

Chicken Frostbite Risk Calculator

Assess winter frostbite risk based on comb type, wind chill, and humidity.

Chicken Egg Production Calculator

Forecast daily, monthly, and yearly egg yields based on flock size and breed.

Chicken Water Calculator

Calculate daily flock water consumption for normal and heat-wave temperatures.

Egg Cost Calculator (Backyard vs Store)

Calculate your real cost per dozen eggs and break-even timeline vs store-bought eggs.

Chicken Treat Calculator (90/10 Rule)

Calculate maximum daily treat allowances in ounces and grams for your flock.

Egg Size Converter

Convert between USDA egg weight classes (Small, Medium, Large, Extra Large, Jumbo).

Coop Bedding Calculator

Calculate how many bags of wood shavings or hemp bedding your coop floor needs.

Pearson Square Feed Calculator

Mix two feed ingredients to achieve an exact target protein percentage.

Duck, Turkey & Goose Coop Space Calculator

Calculate coop and run space requirements for waterfowl and turkeys.

Coop Lighting Calculator

Calculate supplemental winter lighting hours needed to maintain egg production.

Rooster to Hen Ratio Calculator

Determine the ideal number of roosters for your flock size and breed temperaments.

Broiler & Meat Bird Growth Calculator

Track growth rates and processing target dates for meat bird breeds.

Coop & Run Building Materials Calculator

Estimate hardware cloth, lumber, and roofing materials needed to build a coop.

Egg Storage & Shelf-Life Calculator

Track shelf life and freshness based on collection date, washing, and refrigeration.

Flock Aging & Laying Decline Simulator

Simulate multi-year egg production drops as hens age and plan pullet replacements.

Meat Bird Harvest Yield Calculator

Calculate total feed, dressed meat yield, cost per pound, and freezer space needed.

Solar & Off-Grid Coop Power Calculator

Size solar panels and batteries for coop lights, water heaters, and automatic doors.

Homestead Egg ROI & Profitability Calculator

Calculate monthly operating costs, break-even selling price per dozen, and net profit.

Poultry Manure & Compost Calculator

Calculate annual manure volume, bedding carbon ratio, and finished garden compost yield.

Chicken Poop Chart & Health Symptom Checker

Identify abnormal droppings, physical symptoms, illness causes, and first-aid protocols.

Rainbow Egg Basket Flock Builder

Design your dream colorful egg basket: choose egg colors to calculate flock breed mix and coop size.

Winter Chicken Care & Coop Heating Calculator

Calculate frostbite risk by comb type, determine if supplemental heat is needed, and size winter ventilation.

Water Glassing Eggs Calculator & Freshness Guide

Calculate exact pickling lime to water ratios for preserving fresh eggs, plus interactive float test simulator.

Fermented Chicken Feed Calculator & Savings Estimator

Calculate dry feed and water ratios for fermenting feed, 3-bucket rotation, and annual money saved.

Chicken Tractor Size & Pasture Rotation Calculator

Calculate mobile chicken tractor dimensions, paddock area, daily moves, and grass rest cycles.

Chicken Mites & Lice Identifier + Dosage Calculator

Identify poultry mites, lice, and fleas by body location with Spinosad and Permethrin dilution dosages.

Automatic Coop Door Solar & Battery Sizing Calculator

Calculate solar panel wattage, 12V battery amp-hour capacity, and freeze margins for automatic doors.

Coop Predator Proofing & Hardware Cloth Calculator

Calculate hardware cloth rolls, anti-dig predator aprons, and latch security for raccoons, foxes, and weasels.

Printable Egg Incubation Calendar & Candling Schedule

Generate a personalized, dated daily incubation schedule with turning checkboxes, candling milestones, and lockdown alerts.

Food Safety

What Can Ducks Eat? Full Food & Nutrition List

A veterinarian-backed directory of foods ducks can and cannot eat, with high niacin and water dipping rules.

Buying Guide

Best Egg Incubators for Beginners

Buying guide for egg incubators: forced-air vs still-air, capacity, turners, and humidity.

Buying Guide

Best Chicken Coops: 2026 Buying Guide

How to pick a predator-proof chicken coop: sizing, prefab vs walk-in vs DIY, ventilation.

What Can Chickens Eat? Full Food List

A sourced master list of 91 foods chickens can and cannot eat, with safety verdicts.

How Many Chicks to Order Calculator

How many chicks to order to end up with the laying hens you want, after sexing errors and brooder losses.

Chicken Genetics Calculator

Predict egg shell colour from both parents, and whether a sex-link cross lets you sex chicks at hatch.

Hatch Rate Calculator

How many chicks to expect from the eggs you set, and how many eggs to set for the chicks you want.

Chicken Feed Chart by Age

When to switch chicks from starter to grower to layer feed, with dates and protein targets for each stage.

Chicken Molting Calculator

When your flock will molt, how long the 8-12 week pause lasts, and how many eggs it costs.

Quail Space Calculator

Cage and pen size per bird for coturnix and bobwhite quail, showing the published minimum and a welfare allowance.

Plants Toxic to Chickens

26 garden and hedgerow plants that poison a flock, with the toxin in each and where birds meet it.

Cost to Raise Chickens by Flock Size

Itemized startup and ongoing feed costs for different flock sizes.

How Much Ventilation Does a Coop Need?

University extension guidance on coop airflow, winter minimums, and avoiding drafts.

Why Did My Chickens Stop Laying?

The 8 real reasons hens stop laying: daylight, molt, age, broodiness, stress, diet, water, illness.

Chicken Sneezing & Respiratory Infection

When a sneeze is dust and when it is disease, mycoplasma vs coryza, and lifelong carriers.

Sour Crop in Chickens

Telling sour crop from impacted crop, the four documented causes, and what never to do.

Bumblefoot in Chickens

Spotting it early, the injury sources that cause it, and why we do not describe the surgery.

Sick Chicken Symptom Checker

Tick the symptoms you can see: urgency, likely causes, and when to call a vet or report it.

Flock Planner

Plan a whole flock at once: size, coop, run, costs, first egg, and a shopping list.

Fall & Winter Chicken Care

Month-by-month hub for September to March: molt, short days, frozen water, frostbite.

Chicken Molting

How long the annual molt lasts, why laying stops, and how to tell a molt from mites.

Do Chickens Need Heat in Winter?

Almost always no. Cold tolerance, why heat lamps are a fire risk, and the acclimation trap.

How to Winterize a Chicken Coop

October checklist: high ventilation, no drafts, deep bedding, flat roosts, water tested early.

How to Keep Chicken Water From Freezing

Heated bases, nipple buckets and the two-container routine — plus what never to add.

Should I Light the Coop in Winter?

The 14-16 hour target, why light goes on in the morning, and a fair case against lighting.

All 30 Chicken Breeds Compared

Complete directory of 30 chicken breeds: egg count, shell color, first egg age, size class.

Chicken Breed Comparisons (Head-to-Head)

Side-by-side matchups of popular chicken breeds compared for eggs, temperament, and space.

Free Backyard Chicken Cheat Sheet (PDF)

Printable two-page quick reference: coop space, feed, water, brooder temps, incubation.