Shared cost allocator
Model how shared operating costs change estimated contribution profit across products. Inputs stay in this browser tab and are never sent to SwingCodeLab.
Free planning tool
Shared cost allocator
Split one monthly cost pool across your products, then see the estimated contribution profit based on the figures you enter. All figures are in USD and stay in your browser.
Your products
Add between 2 and 5 products.
Monthly estimate
Estimated contribution profit
| Product | Shared cost | Contribution | Margin |
|---|---|---|---|
| Product A | $150 | $870 | 72.5% |
| Product B | $150 | $530 | 66.3% |
Contribution profit = revenue − direct costs − allocated shared costs. Inputs are processed in your browser; refreshing the page resets them. N/A means the margin is undefined when revenue is zero. If revenue already excludes fees or refunds, do not include those deductions again as costs. This is a planning estimate, not accounting advice.
What this calculation means
Contribution profit here means revenue minus direct costs minus the allocated share of common operating costs. It is an internal planning measure—not accounting, tax, or financial advice.
Continue the work in MarginDeck.
This calculator is designed for a quick scenario. For ongoing product tracking, scheduled costs, and a clearer portfolio view, MarginDeck brings the same questions into a local-first Mac app.
MarginDeck is built by Junhua Jin.