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Marketing Refs
Tools

Marketing Tools

Practical tools turn marketing definitions, formulas and operating standards into usable assets.

calculatorCAC CalculatorCalculate customer acquisition cost and connect the result to LTV, payback period and paid acquisition decisions.calculatorLTV:CAC Ratio CalculatorCalculate LTV:CAC ratio and interpret acquisition efficiency using customer value and acquisition cost.calculatorConversion Rate CalculatorCalculate conversion rate from visitors and conversions, then connect the result to CRO and funnel analysis.calculatorROAS CalculatorCalculate return on ad spend and compare it with CAC, CPA and marketing efficiency ratio.builderUTM Builder and Naming ValidatorBuild campaign URLs, validate UTM naming conventions and catch source, medium and casing issues before launch.calculatorA/B Test Sample Size CalculatorEstimate A/B test sample size, traffic allocation and run time from baseline conversion rate and minimum detectable effect.calculatorCAC Payback Period CalculatorCalculate how many months of gross profit are needed to recover customer acquisition cost.calculatorChurn, Retention and NRR CalculatorCalculate customer churn, retention rate, gross revenue retention and net revenue retention from one period of customer and revenue data.calculatorMER CalculatorCalculate blended marketing efficiency ratio, contribution MER and break-even revenue from revenue, spend and gross margin.checklistFunnel Diagnosis ChecklistReview funnel stages, conversion rates, drop-offs and next-step priorities with a practical marketing checklist.