Quirkulator

Marketing Metric Calculators

16 calculators covering conversion, click-through, CPC and customer value, each with its formula and worked examples.

Marketing Metric Calculators brings together 16 calculators for conversion, click-through, CPC and customer value, including A/B Test Significance Calculator, CPM Calculator, Conversion Rate Calculator and Customer Lifetime Value Calculator.

Every page states its method up front — which formula, which convention, which assumptions — because those choices change the answer, and a calculator that hides them is only pretending to be precise.

All 16 pages compute in your browser: nothing you type is sent anywhere, and results update as you edit. Each one carries worked examples, interpretation bands where a score needs context, and a FAQ answering what people actually ask about that calculation.

The collection is part of Business & Marketing, and every page links to the neighbouring calculations you usually need next.

16 pages in this collection

A/B Test Significance CalculatorTwo-proportion z-test on conversion counts, with p-value, confidence and the sample you needed.Bounce Rate Impact CalculatorTranslate a bounce rate into lost engaged sessions, lost conversions and lost revenue.CAC Payback Period CalculatorHow many months of gross profit it takes to repay acquisition cost, and whether customers last that long.Churn Rate CalculatorCustomers lost as a share of the opening base, with the annual equivalent and net growth.Click-Through Rate CalculatorClicks over impressions, with the impressions needed for a click target and the cost implied.Conversion Rate CalculatorConversions over visitors, with revenue per visitor and what a lift in rate is worth.Cost Per Acquisition CalculatorSpend per customer acquired, tested against gross profit and lifetime value rather than revenue.Cost Per Click CalculatorAverage CPC from spend and clicks, plus the maximum bid your conversion economics support.CPM CalculatorCost per thousand impressions, converted into the effective cost per click and per conversion.Customer Lifetime Value CalculatorCLV from ARPU, gross margin and churn, with the payback period and LTV to CAC ratio.Customer Retention Rate CalculatorRetention measured properly, with new customers stripped out of the closing count.Email Open Rate CalculatorOpens over delivered emails, with click rate, click-to-open and the unsubscribe load.Engagement Rate CalculatorInteractions measured against followers and against reach, which give very different answers.Funnel Drop-Off CalculatorStep-by-step conversion and drop-off through a four-stage funnel, with the weakest step identified.Impressions Needed CalculatorWork backwards from a conversion target to the clicks, impressions and budget required.Return on Ad Spend CalculatorRevenue per pound of advertising, and the break-even ROAS your gross margin actually requires.

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