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15 marketing tools that show their work — every result comes with the formula, a worked example and a shareable URL.
Paid media
ROAS CalculatorCalculate ROAS from ad spend and revenue, and find the break-even ROAS your campaigns must clear given your gross margin.CPM CalculatorCalculate CPM (cost per 1,000 impressions) from ad spend and impressions, or work out how many impressions a budget buys at a given CPM.CPC CalculatorCalculate cost per click from spend and clicks, and the maximum CPC you can afford given your conversion rate and the value of a conversion.CPA CalculatorCalculate cost per acquisition (or cost per lead) from spend and conversions, and find the maximum CPA you can pay before a conversion stops being profitable.CTR CalculatorCalculate click-through rate (CTR) from clicks and impressions for ads, search results, emails or any placement that is shown and clicked.
E-commerce & unit economics
Margin CalculatorCalculate gross margin percentage, markup percentage and profit per unit from cost and selling price. Understand the difference between margin and markup.CAC CalculatorCalculate customer acquisition cost from marketing and sales spend, then compare it with lifetime value to get the LTV:CAC ratio and payback period.LTV CalculatorCalculate customer lifetime value from average order value, purchase frequency, customer lifespan and gross margin — both as revenue and as gross profit.Break-even CalculatorFind how many units you need to sell, and how much revenue that is, to cover fixed costs — using price, variable cost per unit and contribution margin.
Analytics & measurement
ROI CalculatorCalculate return on investment (ROI) as a percentage and in absolute profit from what you spent and what you got back.Conversion Rate CalculatorCalculate conversion rate from conversions and visitors, sessions or clicks — and see how many visitors each conversion currently costs you.Sample Size CalculatorWork out how many visitors each variant of an A/B test needs to detect a given lift in conversion rate at your chosen confidence and power — and how long that takes at your traffic.A/B Test Significance CalculatorEnter visitors and conversions for two variants to get the conversion rates, relative uplift, z-score, p-value and whether the difference is statistically significant.