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PolskiCalculate contribution margin, minimum price and break-even for templates, data packs and mini-tools.
All monetary amounts use the same currency and exclude VAT. Example values are assumptions, not provider prices. Inputs and calculations stay in the browser.
Calculation model and assumptions
Retained revenue = price × sales × (1 − refund rate). Payment fees, delivery, acquisition and support apply to all original sales. Payment fees are assumed non-refundable. Creation cost = hours × hourly cost ÷ months. Monthly profit = sales × contribution margin − ongoing fixed costs − amortized creation cost. Minimum price accounts for refunds and percentage fees. The displayed minimum price is rounded up to the next hundredth.
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Sources and definitions
FAQ
Are inputs transmitted?
The calculator processes inputs locally in the browser. CSV files are also generated locally. The page does not store scenario inputs on the server.
What are the model limitations?
Allocating creation costs to one month charges the first monthly result in full. Different refund rules require adjusted fee assumptions. A refund rate plus fee rate of 100% or more prevents a positive cost-covering minimum price.