The product spec sheet says that item costs R$18.50. The monthly report closes
at R$21.80. No one got the math wrong—the actual cost almost never matches the cost
planned, and that’s no reason to throw out the recipe cost sheet. It’s the starting point for
starting point for a more useful question: why did this specific product deviate
17.8% from the forecast, and what to do with that information when
reviewing the price.
That is the role of standard costing: it is not a second way to calculate cost,
it is a benchmark for measuring how far actual costs deviated from what the company
planned. It only exists as a comparison. Without an actual cost to compare against, the
standard is just a number in a spreadsheet—it doesn't control anything.
What Standard Cost Is Not
The most common mistake is to treat standard cost as if it were the actual cost, and
using it directly in the pricing formula as if the actual cost did not exist. The cost
standard cost is a target, a forecast based on expected production volume,
projected raw material consumption and input prices as of the date the sheet
was finalized. It has the same weakness as any forecast: it becomes
outdated in the first month that input costs rise or the supplier
changes, or production runs less efficiently than planned.
That is why there are variations of the standard itself, each designed to address a
different question:
- Ideal standard — the cost under perfect conditions: the best raw materials,
a trained team, and zero waste. It serves as a very long-term goal, not
as a benchmark for setting prices today—it is almost always unattainable in
real-world operation.
- Current standard — the ideal cost adjusted for the inefficiencies that the
company recognizes and accepts in the short term, with the goal of reducing them to
minimum. This is what supports day-to-day pricing decisions, because it reflects a
feasible operation, not a hypothetical one.
- Estimated standard — a projection based on historical average costs, without
assessing whether that historical data already included inefficiencies. It is the easiest to
build and the most dangerous to use on its own: it may simply be
repeating the same mistake without flagging it as an error.
Confusing these three things is why so many small businesses look
at its own standard cost with suspicion: someone put together the bill of materials
using the ideal standard, found that actual costs never come close and concluded
that standard costing “doesn’t work.” What didn’t work was using the benchmark
the wrong yardstick.
What It’s Actually For
The purpose of standard costing is control, not price forecasting. It compares what
should have happened with what actually happened and breaks the variance down into two
possible causes: changes in input prices or quantities
consumed. These are different problems and require different decisions.
A price variance — the supplier raised prices, the dollar appreciated, or shipping costs increased
— provides useful information for negotiations, switching suppliers, or passing the cost on to
selling price. A quantity variance—more raw material per unit
produced than planned, more labor hours than the standard
expected — that is information for production, not for pricing. Treating the two
as if they were the same thing means missing the chance to address the real cause.
This distinction also prevents a common attribution error: assuming that every
cost increase is inflation, when half of it may be waste that
no one has measured. When used properly, standard costing isolates that difference before it
it gets buried in an increasingly tight margin.
Where It Gets in the Way of Pricing Decisions
The risk arises when standard cost becomes a direct input in the pricing formula,
without anyone checking how far it is from that month's actual cost or
that batch. In this case, the price looks right on paper but is wrong in practice —
too high if the standard was overestimated, or too low if the standard
failed to capture an inefficiency that had become structural rather than occasional.
The problem becomes more serious in small businesses, where there is no dedicated department
dedicated to tracking this variance every month. The product specification sheet is created once,
when the product is first set up, and only reviewed when someone notices that the margin
shrunk—which usually happens months after the actual cost has already
changed. In the meantime, the selling price reflects a cost that no longer exists
anymore.
An example of how the variance affects the final price
A bakery sets the standard cost of a cake at R$ 18.50, based on
original recipe and the ingredient price when the technical sheet was created. The company
operates with a 28% margin on the selling price—a margin calculated on the
price, not cost:
price = cost ÷ (1 − margin) = R$ 18.50 ÷ (1 − 0.28) = R$ 25.69
Six months later, the price of the main input increased, and its actual cost
cake rose to R$21.80—a 17.8% deviation from the standard. If the bakery
keeps selling it for R$ 25.69 because “that’s the price of the cake,” the actual margin
is no longer 28%:
actual margin = (price − actual cost) ÷ price = (R$ 25.69 − R$ 21.80) ÷ R$ 25.69 = 15.2%
Nearly thirteen percentage points of margin disappeared without any
decision being made—simply because the price remained anchored to a
standard cost that no longer reflects reality. This is the kind of erosion
that standard costing is designed to detect—provided someone
actually compares standard costs with actual costs on a regular basis—monthly, by batch,
by supplier—rather than leaving the specification sheet unchanged.
How Targets Affect Production Staff
There is a dimension of standard cost that spreadsheets fail to capture: it serves as
a target for the production team—and targets have a psychological effect. A target
that is too ambitious, and that the team knows is unattainable, tends to demotivate — if
the effort never delivers the expected result, why bother? A target
achievable and reviewed periodically, it tends to serve as an incentive
for continuous improvement.
This points to a use of standard cost that goes beyond pricing: it is
as much a production management tool as an input for decision-making
sales decisions. Both functions require review—an outdated standard does not motivate
the team or communicate the price accurately; it just takes up space on the product sheet.
Control, not truth
Standard costing does not solve the problem of determining how much a product costs—it
helps determine whether costs are behaving as expected, and why. When
the difference between standard and actual cost is small and stable, the standard is serving its
job. When the difference grows or fluctuates without explanation, the problem is not the
standard: the issue is that it has not been reviewed. The selling price calculator helps you quickly simulate how this variance affects margin before deciding whether to change the price or investigate the cost first. For a broader look at how to organize the entire process—from calculating costs to reviewing prices periodically—see how to price retail products.
