Estimate your flock's egg output, feed expense, and the minimum price per dozen needed to cover the costs you include.
Feed purchase
The egg and feed values are editable planning examples. Replace them with your flock records, feed label, receipt, or local estimate.
Advanced options
Extra recurring costs
Startup cost recovery
Table of contents
How to use our Egg Production and Break-Even Egg Price Calculator
- Enter only active laying birds in "Number of laying hens," then enter a realistic yearly average in "Eggs per hen per year."
- Enter "Eggs kept for home use (eggs per week)" so the calculator removes eggs that will not be sold.
- Copy the net weight and price from your feed bag or receipt into "Feed bag size (lb)" and "Feed bag price ($ per bag)."
- Open Advanced options if you want "Carton cost ($ per dozen sold)," "Other monthly flock costs ($ per month)," or setup spending included in the full break-even price.
- Click Calculate, then compare "Feed-only cost per dozen" with "Full break-even egg price ($ per dozen)." A large gap means the added costs are doing most of the price increase.
Definitions
Active laying hens: Hens currently laying eggs or expected to lay during your planning period. Roosters and chicks are not included.
Annual-average production: A yearly egg estimate divided by 12 to show a typical month. Actual monthly output can rise or fall during the year.
Saleable dozens: Dozens left after eggs kept for home use are removed from projected production.
Feed-only cost per dozen: Feed expense divided by saleable dozens. It excludes cartons, other monthly costs, and setup recovery.
Full break-even egg price: The price per saleable dozen needed to cover feed and every optional cost entered in the calculator.
Setup recovery: A chosen monthly share of one-time coop, equipment, or initial flock spending.
Common mistakes and quick fixes
Mistake: Counting roosters, chicks, or non-laying birds in "Number of laying hens."
Fix: Count only hens that are laying now or are expected to lay during the period you are planning.
Mistake: Using a peak-season number for "Eggs per hen per year."
Fix: Use a full-year average that accounts for breed, age, molting, weather, and lower winter production.
Mistake: Leaving out household eggs in "Eggs kept for home use (eggs per week)."
Fix: Enter the eggs your household will keep so "Dozens available to sell each month" reflects what can actually bring in money.
Mistake: Treating "Feed-only cost per dozen" as the selling price needed to cover every cost.
Fix: Use "Full break-even egg price ($ per dozen)" when cartons, other monthly costs, or setup recovery matter.
Mistake: Putting a one-time coop purchase into "Other monthly flock costs ($ per month)."
Fix: Put it in "Initial coop and setup cost ($)" and choose "Setup recovery time (months)."
Limitations & Key Assumptions / Boundary Conditions
- Egg production is an annual-average estimate. Breed, age, molt, illness, daylight, weather, and management can change actual egg output.
- Feed expense is based on the entered daily feed amount, bag size, and bag price. Spillage, treats, forage, pests, and changing feed prices are not added unless reflected in your entries.
- Only eggs left after "Eggs kept for home use (eggs per week)" are used to recover costs. Eggs given away, cracked, spoiled, or unsold are not separately modeled.
- The full break-even price includes only feed, optional cartons, optional other monthly costs, and optional setup recovery entered by you. It does not automatically include labor, taxes, permits, delivery, losses, replacement hens, interest, or profit.
- "Setup recovery time (months)" is a personal planning choice. It spreads selected startup spending across months; it is not an accounting depreciation calculation or a market-price recommendation.
Methodology
Calculation steps
The calculator first estimates annual flock production and converts it to an annual-average month. Eggs kept at home are removed before cost per dozen is calculated.
annual eggs = number of laying hens * eggs per hen per year
monthly eggs = annual eggs / 12
monthly eggs kept = eggs kept per week * 52 / 12
saleable dozens = (monthly eggs - monthly eggs kept) / 12
Monthly feed use is based on active hens, feed per hen per day, and 365 days per year. Feed expense is then priced by the fraction of a feed bag used.
monthly feed pounds = laying hens * feed per hen per day * 365 / 12
monthly feed cost = monthly feed pounds / feed bag size * feed bag price
feed-only cost per dozen = monthly feed cost / saleable dozens
Optional carton cost rises with the number of dozens sold. Other monthly costs are added directly. If a setup cost is entered, it is divided by the selected recovery time.
monthly carton cost = carton cost per dozen * saleable dozens
monthly setup recovery = initial setup cost / setup recovery time
included monthly costs = feed cost + carton cost + other monthly costs + setup recovery
full break-even price per dozen = included monthly costs / saleable dozens
Worked example
With 6 laying hens, 187 eggs per hen per year, no home-use eggs, 0.25 lb of feed per hen per day, a 50 lb bag, and a $20 bag price, projected production is 1,122 eggs per year or 93.5 eggs per month. Monthly feed expense is $18.25, saleable output is about 7.79 dozen per month, and feed-only cost is about $2.34 per dozen. With no optional costs entered, the full break-even price is also about $2.34 per dozen.
Calculation boundaries
Blank optional costs count as zero. A positive "Initial coop and setup cost ($)" requires a recovery time greater than zero. The calculator stops if home-use eggs would leave zero or fewer eggs to sell, because a per-dozen break-even price cannot be calculated.