Scenario arithmetic only. Actual demand response, discounts, mix, churn, taxes, and competitor reactions can differ.
Planning estimate only. Platform fees, taxes, payment costs, and policies can change; verify current terms before pricing.
This tool runs in your browser. Inputs and results are not transmitted. If you explicitly save a scenario, its permitted fields stay in local browser storage until you clear them.
Share or report this tool
Page-sharing actions use the canonical page URL and do not include inputs or results unless a tool explicitly says otherwise.
More options
How this calculator works
Formula
Current and new revenue equal price × units. Contribution equals (price − variable cost) × units. Maximum demand loss preserving current contribution equals 1 − current unit contribution ÷ new unit contribution.
Worked example
Moving from $50 to $60 with $30 variable cost and a 10% volume decline increases contribution from $20,000 to $27,000 on 1,000 current units.
Assumptions to verify
- Variable cost per unit remains constant.
- The entered volume change represents the complete demand response.
- Discounts, mix, churn, taxes, competitor reactions, and capacity changes are excluded.
Frequently asked questions
What does allowable demand loss mean?
It is the volume decline that leaves modeled contribution unchanged, not a predicted customer response.
Why compare contribution?
Revenue alone ignores variable costs and can make a price change look better or worse than its unit economics.
Is demand response linear?
Not necessarily; this calculator uses only the single volume-change assumption you enter.
Privacy: Inputs and results stay in this browser. Any future sponsored recommendation or advertisement will be clearly labeled and kept separate from the calculation.