To price a dozen duck eggs you add up its full cost first: the flock's feed by the batch, your time at an hourly rate, the carton and label, and a share of overhead like rent and power. That's what one dozen costs you. Then set the price so that, after card and selling fees, it leaves the margin you want: price = full cost ÷ (1 − margin − fee rate). For a dozen duck eggs that costs $4.15 to make, a 55% margin after 3% fees means $9.87, rounded up to $10.00. Feed is more than half the cost, so a feed price rise moves the egg price; ducks that lay less in winter raise the cost of each dozen they do lay. A bakery price is a different number, set so it still covers the full cost with something left. In the example below, a Sonoma County duck farm prices its eggs for markets and bakeries.
The short version
- Full cost = feed a dozen + your time + carton and label + overhead.
- Price = full cost ÷ (1 − margin − fee rate).
- Count your time at a real hourly rate, even if you don't pay yourself yet.
- Price a week's eggs against a week's feed.
- Raise the winter price, or accept less, when the flock lays less.
- Check what wholesale leaves after full cost before saying yes.
- TaroStack keeps each day's eggs as a lot with its pack date, sold oldest first. More below.
What goes into a dozen's cost
| Part | How to count it |
|---|---|
| Feed | The batch's cost ÷ dozen a batch |
| Your time | Hands-on minutes for the batch ÷ dozen × your hourly rate |
| Carton and label | Per dozen |
| Overhead | Rent, power, tools, spread over the dozen you make |
| Fees | Card and market fees as a share of the price |
The farm's year is in duck farm business plan, and hen eggs priced the same way in how to price eggs.
An example: a dozen duck eggs
Hollow Pond Duck Farm, the made-up duck farm in Sebastopol, California, I use in these examples, gets about 88 dozen a week from 200 laying ducks:
| A week's feed for 200 ducks | Amount | Cost |
|---|---|---|
| Layer feed for a week | 525 lb | $210.00 |
| A batch | $210.00 |
| A dozen | Cost |
|---|---|
| Feed, $210.00 ÷ 88 | $2.39 |
| Time, 240 minutes for the batch at $20 an hour ÷ 88 | $0.91 |
| Carton and label | $0.40 |
| Overhead | $0.45 |
| Full cost | $4.15 |
At a 55% margin after 3% card fees, the price is $4.15 ÷ 0.42 = $9.87, so $10.00. At $10.00 a dozen, each leaves $5.55. It had been asking $9.00, which leaves $4.58. Bakeries pay $7.00 a dozen, which leaves $2.64, and take 40 dozen a week whatever the season. Cartons and labels are in how to package eggs for sale.
Get the calculator
Download the duck egg price calculator. One sheet: type the batch's feed, amounts and costs, the dozen it makes, the hands-on minutes, the carton and overhead, your hourly rate, card fees and the margin you want; the full cost, the price for your margin rounded up, and what a wholesale price and a test price leave fill in. It's an ordinary Excel file with no macros, and it works in Google Sheets, LibreOffice and Numbers.
Where this stops working
The calculator prices a dozen on paper. Feed climbs, the flock lays a third less in midwinter, and cracked eggs that can't be sold come out of every week.
How TaroStack does it
TaroStack keeps each day's eggs as a lot with its pack date, sold oldest first.
Each day a lot. A day's eggs go in as a lot with the date they were packed, so every carton's date comes from the day it was collected.
Oldest first. Orders take the oldest lots first by default, and a restaurant can be set to take only eggs with enough days left.
Feed in the cost. Feed bought by the bag is used by the pound, so the cost of a dozen follows the feed price.
| The job | Spreadsheet | In TaroStack |
|---|---|---|
| The pack date on a carton | Written by hand | From the day's lot |
| Which eggs go out first | Whatever's in front | First-expired-first-out |
| What a dozen costs this month | A guess | Cost from the feed price |
Lots, expiry and costing are on every plan, from $49 a month. The first 30 days are free, with no credit card. If you'd like a hand setting up, ask, and we'll do it with you.
