Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Real cost per sellable unit
$1.97
Sellable units after loss
44
Labor cost for batch
$55.00
Margin per unit at your price
$2.28
Total batch profit
$100.68
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One click, a permanent link with your numbers baked in.
How to use this
- 1Enter theoretical batch yield (units).
- 2Enter trim/reject loss (%).
- 3Enter total ingredient cost for batch ($).
- 4Enter labor hours for batch.
- 5Enter labor cost per hour ($).
- 6Enter retail price per unit ($).
- 7Read your real cost per sellable unit on the right — it updates as you type.
- 8Hit Share to keep the scenario or send it to someone.
About this calculator
A batch of dough or batter rarely converts 1:1 into sellable units. Trim loss from cutting, edge scraps, test bakes, and outright rejects all reduce the number of sellable pieces below the theoretical batch yield. This calculator takes your total batch ingredient cost, labor time, and expected loss percentage, and returns a real cost per sellable unit rather than a theoretical one. It's built for bakers scaling from home batches to wholesale volume who need to know if a dozen croissants priced off ingredient cost alone is actually profitable once you factor in the two that get scrapped for shape, the ones eaten as quality control, and the labor minutes per batch. Run it per recipe whenever you change batch size, since loss percentage often changes non-linearly as batches get larger or smaller.
Worked example
Using the values the calculator loads with:
Inputs
- Theoretical batch yield (units): 48
- Trim/reject loss: 8 %
- Total ingredient cost for batch: 32 $
- Labor hours for batch: 2.5
- Labor cost per hour: 22 $
- Retail price per unit: 4.25 $
Results
- Real cost per sellable unit: $1.97
- Sellable units after loss: 44
- Labor cost for batch: $55.00
- Margin per unit at your price: $2.28
- Total batch profit: $100.68
What each field means
Inputs
- Theoretical batch yield (units)
- The theoretical batch yield (units) used in the calculation. Starts at 48 so you have a working example on load.
- Trim/reject loss (%)
- The trim/reject loss used in the calculation, measured in %. Starts at 8 % so you have a working example on load. Accepted range: 0–50 %.
- Total ingredient cost for batch ($)
- The total ingredient cost for batch used in the calculation, measured in $. Starts at 32 $ so you have a working example on load.
- Labor hours for batch
- The labor hours for batch used in the calculation. Starts at 2.5 so you have a working example on load.
- Labor cost per hour ($)
- The labor cost per hour used in the calculation, measured in $. Starts at 22 $ so you have a working example on load.
- Retail price per unit ($)
- The retail price per unit used in the calculation, measured in $. Starts at 4.25 $ so you have a working example on load.
Results
- Real cost per sellable unit
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Sellable units after loss
- Returned as a whole number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Labor cost for batch
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Margin per unit at your price
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total batch profit
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
What loss percentage is normal for baked goods?
Simple items like drop cookies or muffins often lose under 5%. Laminated items like croissants, hand-shaped bread, or anything cut to precise shapes commonly loses 8-15% to trim, misshapes, and QC tasting. New recipes or new staff push this higher until the process is dialed in.
Should I count staff tasting/QC bites as loss?
Yes, be honest about it. A baker eating the visibly imperfect ones is still real cost even though it doesn't feel like waste. If you don't count it, your cost-per-unit understates reality and you'll wonder why the batch never matches its theoretical margin at month end.
How do I lower loss without changing the recipe?
Standardize portioning with a scale or cutter instead of eyeballing, batch-train new staff on a lower-stakes recipe first, and track loss by shift to see if it's a specific time slot or person driving the number up. Most reductions come from process consistency, not ingredient changes.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Bakery Batch Yield Cost Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/bakery-batch-yield-cost
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/bakery-batch-yield-cost" target="_blank" rel="noopener">Bakery Batch Yield Cost Calculator — RevenueLab</a> (2026).</p>
Source: [Bakery Batch Yield Cost Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/bakery-batch-yield-cost) (2026).