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Business

Business & Marketing Calculators

Decision calculators for break-even analysis, advertising metrics, customer economics, runway, pricing and independent-work planning.

Break-even Point Calculator

Break-even units and revenue.

Marketing Metrics Calculator

CPC, CPM, CPA, CTR, conversion rate and ROAS.

Customer LTV:CAC Calculator

Lifetime value and acquisition economics.

Cash Runway Calculator

Burn rate and runway.

Freelance Hourly Rate Calculator

Target billable rate.

Ecommerce Profit Calculator

Order-level profitability.

Break-even ROAS Calculator

Advertising break-even.

Contribution Margin Calculator

Contribution dollars and margin.

Also available to AI agents

Selected tools in this collection are callable through the tannerd.net public calculator API, MCP, A2A and WebMCP. Structured results include canonical human-facing source links.

Advanced decision models

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Advanced decision tool

Paid Ads Profit Ceiling Calculator

Work backward from unit economics and funnel conversion to maximum CPA, CPL, CPC, CPM and the ROAS floor that still leaves your target profit.