Selling price and markup calculator
Think of the price as 100%. Each percentage below is a slice of it. What is left is the markup divisor.
Overhead ÷ revenue
Fill in the unit cost and the percentages charged on the sale to see the price and the diagnosis.
Export the data, results, and diagnosis as PDF, Excel (XLSX), or CSV.
Contribution margin calculator
Contribution margin is what remains from a sale after everything that only exists because you sold.
Enter your current price and the unit cost to see what really remains on each sale.
Export the data, results, and diagnosis as PDF, Excel (XLSX), or CSV.
Break-even calculator
The minimum revenue for the company not to lose money — the floor under any sales target.
Enter your monthly fixed expenses and contribution margin to find the revenue that breaks even.
Export the data, results, and diagnosis as PDF, Excel (XLSX), or CSV.
Profit target calculator
“I want to earn R$ 100k a month.” Great — how much revenue does that take?
Tell us how much you want to earn monthly, what the structure costs, and your margin — the math returns the required revenue.
Export the data, results, and diagnosis as PDF, Excel (XLSX), or CSV.
Cost of discount calculator
A discount does not come out of the price: it comes out of profit. See how much extra volume it takes to break even.
Enter your contribution margin and the discount you usually give. The result is usually a shock.
Export the data, results, and diagnosis as PDF, Excel (XLSX), or CSV.
Sales channel comparator
Own store, marketplace, sales rep, and distributor each charge you differently. Compare the real margin of each.
Fill in the unit cost and the price in each channel to see where your product actually makes money.
Export the data, results, and diagnosis as PDF, Excel (XLSX), or CSV.
Service pricing calculator
In services, your inventory is the calendar. Price is driven by the cost of the hours you can actually bill.
Salaries, payroll taxes, owner pay
Rent, software, accountant
How much of the calendar becomes an invoice
Enter the monthly team cost, available hours, and how many are truly billable to find your hourly cost.
Export the data, results, and diagnosis as PDF, Excel (XLSX), or CSV.
Scenario simulator
What if I raise the price 10% and lose a few sales? Compare price and volume across three scenarios.
| Scenario | Revenue | Margin | Break-even | Bottom line |
|---|---|---|---|---|
| Current | — | — | — | — |
| Scenario A | — | — | — | — |
| Scenario B | — | — | — | — |
Fill in the current scenario and up to two alternatives to compare revenue, margin, break-even, and bottom line.
Export the data, results, and diagnosis as PDF, Excel (XLSX), or CSV.
Other free calculators
The calculators give you the number. The book explains the decision.
In The Language of Business you learn where each of these calculations comes from and how to use them in your company's routine.