PROFIT & PRICING

Profit & Pricing Calculators

Work out what is left after the sale before deciding what to spend on growth. Price, margin and variable cost set the boundary for every ROAS and CPA target that follows.

Reviewed September 23, 2026 · ROAS Lab Editorial Team

Before you open a calculator

Pricing decisions show up in advertising faster than many teams expect. A 10% discount does not simply reduce revenue by 10%; it can reduce contribution by a much larger percentage when product and fulfillment costs stay fixed. The same is true in reverse: a price increase can create more acquisition room, but only if demand and conversion do not fall enough to offset it.

This category focuses on contribution, the amount left after variable costs and before advertising. That is the practical bridge between pricing and media buying. Once contribution is known, maximum CPA and break-even ROAS become straightforward to calculate.

Fixed costs still matter to the business, but they answer a different question. These tools are designed primarily for order-level acquisition planning, not a full P&L forecast.

Calculators in this category

Choose the tool that matches the question you are trying to answer, then verify the result against your own economics.

MARGINProfit Margin CalculatorCalculate profit, profit margin and markup from revenue and cost.Open calculator →BREAK-EVENBreak-Even ROAS CalculatorTranslate contribution into the advertising efficiency needed to cover spend.Open calculator →ACQUISITION LIMITMaximum CPA CalculatorFind the amount available to acquire a customer after variable costs.Open calculator →CONTRIBUTION RETURNPOAS CalculatorMeasure contribution profit generated relative to advertising spend.Open calculator →REVENUE PER ORDERAOV CalculatorMeasure how order value changes before connecting it to margin.Open calculator →SCENARIOSROAS Scenario ComparisonCompare pricing, cost and profit assumptions side by side.Open calculator →CONTRIBUTIONContribution Margin CalculatorMeasure the amount available before advertising.Open calculator →PROFIT TARGETTarget ROAS CalculatorCalculate a ROAS target that preserves post-ad contribution.Open calculator →

ILLUSTRATIVE EXAMPLE

A 10% discount can cut acquisition room by much more than 10%

Take a product that sells for $100 with $55 of variable cost. Before advertising, contribution is $45. Now apply a 10% discount while variable cost stays $55. Revenue falls to $90 and contribution falls to $35.

Original price$100

Original contribution$45

Discounted price$90

New contribution$35

Revenue fell 10%, but the amount available for acquisition fell by about 22%. If the business keeps the same CPA target after the discount, profit after advertising can disappear quickly.

This example is for explanation only. It is not a benchmark, forecast or claim about typical performance.

DATA CHECKLIST

What to pull before calculating

Keep every input tied to a source and a date range. Most bad outputs come from mixed definitions rather than bad arithmetic.

Input	Where to get it	Check before using it
Selling price / net revenue	Store or finance	Use the realized price after routine discounts when testing current economics.
COGS	Inventory or finance	Use the cost basis that matches the product or product mix being modeled.
Fulfillment and shipping	3PL, carrier or finance	Include costs paid by the business at the order level.
Payment and platform fees	Payment processor or store	Apply percentage and fixed fees consistently.
Desired post-ad contribution	Budget or finance plan	Make the target explicit rather than treating break-even as the operating goal.

QUALITY CHECK

Three mistakes that change the answer

Confusing markup and margin

Markup is measured against cost; margin is measured against revenue. They can produce very different percentages.

Leaving variable costs outside the model

Gross margin can look healthy while shipping, payment fees and returns consume the budget available for acquisition.

Using break-even as the campaign target

Break-even leaves no contribution after advertising for fixed costs, risk or profit. It is a floor, not automatically a goal.

WEEKLY REPORTING

Where this belongs in a real report

When pricing or promotions change, add a simple bridge to the weekly report: net price → variable cost → contribution/order → allowable CPA → break-even ROAS. This makes it clear why the same media performance can produce a different business result after a promotion.

For major discount events, create a separate scenario instead of overwriting the normal economics. That lets the team compare the promotion against the regular business rather than mixing the two.

Questions that usually come up after the first calculation

What margin should I use for advertising decisions?

Contribution margin is usually more useful because it includes order-level variable costs that reduce the amount available for acquisition.

Does a higher selling price always improve ROAS economics?

Not automatically. Higher price can improve contribution, but conversion and demand may change. Model both economics and volume.

Why is break-even ROAS higher when margin is lower?

When each order leaves less contribution, more revenue is required for every advertising dollar to cover the same spend.

Should fixed costs be included in maximum CPA?

Maximum CPA tools usually focus on order-level contribution. If the business needs a specific amount left to cover fixed costs and profit, reserve that amount as a target contribution buffer.

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