Marketing Tools
Free calculators for marketers and founders. CPM, CLV, churn, conversion rates, email ROI, break-even, and more. All runs in your browser, no data sent anywhere.
CPM Calculator
Calculate cost per thousand impressions, or work backwards from budget to estimate total reach.
CPC & CTR Calculator
Calculate click-through rate, cost per click, and total impressions from your campaign data.
Customer Lifetime Value
Calculate CLV, your CLV:CAC ratio, and the maximum you should spend to acquire each customer.
Churn Rate Calculator
Measure monthly and annual churn rate, average customer lifespan, and the MRR impact of churn.
Conversion Rate Calculator
Calculate conversion rate, revenue per visitor, and the traffic or CRO uplift needed to hit revenue targets.
Email Campaign ROI
Calculate email marketing ROI from list size, open rate, click rate, and average order value.
Social Media Engagement Rate
Calculate your engagement rate for any platform and benchmark it against industry averages.
Reading Time Estimator
Paste your content to get word count, estimated reading time, and a readability score.
Marketing Budget Allocator
Get a recommended channel budget split tailored to your company stage and growth goals.
Break-Even Calculator
Find exactly how many units you need to sell. and at what revenue — to cover your fixed costs.
Metrics That Drive Marketing Decisions
Marketing calculators translate campaign data into decisions. A churn rate calculator that shows 8% monthly churn reveals you're losing nearly all your customers in a year — before the revenue spreadsheet makes that visible. A CLV calculator that shows customers acquired through paid search are worth 40% less than organic customers informs where to spend next quarter's budget. These numbers matter because marketing spend that doesn't pay back in customer lifetime value eventually destroys the business.
Industry Benchmarks to Calibrate Your Numbers
Average email marketing ROI is cited at 36:1 by the DMA (Data & Marketing Association) — but this average conceals enormous variance by industry, list quality, and send frequency. Average display ad CTR hovers around 0.1% per Google benchmarks. Average landing page conversion rate is 2-5% across industries per Unbounce research. Use these benchmarks to sanity-check your own numbers, not as targets to chase regardless of context.
The Relationship Between Metrics
Marketing metrics are interconnected. Improving CTR without improving conversion rate just spends more on traffic that doesn't convert. Reducing churn by 1% often has more ROI impact than acquiring 10% more customers, because CLV compounds over a longer customer lifespan. Break-even analysis should inform your customer acquisition cost ceiling — if break-even requires 18 months of retention and your churn is 15% monthly, the unit economics don't work regardless of how low your CPM is.
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