To price an 8-ounce roll of cultured butter you add up its full cost first: the cream, salt and culture by the batch, your time at an hourly rate, the foil-lined wrap and label, and a share of overhead like rent and power. That's what one roll 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 an 8-ounce roll that costs $3.66 to make, a 55% margin after 3% fees means $8.72, rounded up to $8.75. Cream is almost all of it: a pound of butter takes about two pounds of cream, so the cream price moves the butter price. Wholesale to a co-op is a different price, set so it still covers the full cost with something left. In the example below, a Long Island creamery prices its cultured butter for the farm shop and a co-op.
The short version
- Full cost = cream, salt and culture a roll + your time + wrap 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 from the cream: about two pounds for every pound of butter.
- The buttermilk is a second product; don't give it away.
- Check what wholesale leaves after full cost before saying yes.
- TaroStack costs each roll from its recipe and what each batch used. More below.
What goes into a roll's cost
| Part | How to count it |
|---|---|
| Cream, salt and culture | The batch's cost ÷ rolls a batch |
| Your time | Hands-on minutes for the batch ÷ rolls × your hourly rate |
| Wrap and label | Per roll |
| Overhead | Rent, power, tools, spread over the rolls you make |
| Fees | Card and market fees as a share of the price |
Margins on rolls, cartons and buttermilk are in butter profit margin, and churning by the hundred pounds in how to make butter in bulk.
An example: an 8-ounce roll
North Fork Creamery, the made-up creamery on Long Island, New York, I use in these examples, churns 51 pounds of cream into 50 eight-ounce rolls of cultured butter:
| A churn of 50 rolls | Amount | Cost |
|---|---|---|
| Heavy cream, 40% fat | 51 lb | $102.00 |
| Salt | 0.35 lb | $0.14 |
| Butter culture | 0.01 lb | $3.50 |
| A batch | $105.64 |
| A roll | Cost |
|---|---|
| Cream, salt and culture, $105.64 ÷ 50 | $2.11 |
| Time, 150 minutes for the batch at $20 an hour ÷ 50 | $1.00 |
| Wrap and label | $0.15 |
| Overhead | $0.40 |
| Full cost | $3.66 |
At a 55% margin after 3% card fees, the price is $3.66 ÷ 0.42 = $8.72, so $8.75. At $8.75 a roll, each leaves $4.82. The farm shop sells it at $9.00, which leaves $5.07. The co-op asked for $5.75 a roll, which leaves $1.91, and takes the rolls in weeks when the shop is slow. The wraps are in how to package butter for sale.
Get the calculator
Download the butter price calculator. One sheet: type the batch's ingredients, amounts and costs, the rolls it makes, the hands-on minutes, the wrap 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 one roll on paper. Cream richer in spring than in August makes more butter a churn, and a cream price that rises in the holidays changes every roll.
How TaroStack does it
TaroStack costs each roll from its recipe and from what each batch used.
Recipes by weight. Each roll is a recipe, with unit conversion from the case or sack to the gram.
True cost from the batch. Each batch takes ingredients at their real cost, from the deliveries they came from, so a price rise shows up in the next batch.
Price creep. A price-creep report per supplier shows which ingredient is quietly costing more.
| The job | Spreadsheet | In TaroStack |
|---|---|---|
| What a roll costs this week | Last season's sheet | True cost from the batch |
| Butter in a churn that didn't come | Not counted | Good and rejected on each batch |
| An ingredient creeping up | Noticed at tax time | A price-creep report |
| Whether wholesale still pays | A guess | Margins on real cost |
Recipes, batches and true cost 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.