Marketing and conversion tools to connect optimisation with revenue.
Use these free marketing and conversion calculators to measure return on ad spend, compare A/B test results, estimate conversion lift, and see how performance changes translate into actual revenue.
Marketing & Conversion Tools
These marketing and conversion tools help founders move beyond vague performance metrics and connect optimisation work to real commercial outcomes. Use them to measure acquisition costs, evaluate funnel performance, estimate campaign revenue, and understand how small changes in conversion can compound into meaningful growth.
Marketing ROI Calculator
Measure the return on advertising spend based on conversion rates and revenue per sale.
MarketingA/B Test Significance Calculator
Determine whether a conversion test result is statistically significant or just random variation.
TestingAd Conversion Rate Calculator
Calculate conversion rates, cost per conversion, and revenue from advertising campaigns.
AdsConversion Lift Revenue Calculator
See how small improvements in conversion rate can dramatically increase revenue.
GrowthLow Conversion Revenue Loss Calculator
Estimate how much revenue you are losing from underperforming conversion rates.
OptimisationCustomer Acquisition Cost (CAC) Calculator
Calculate how much it costs to acquire a single customer based on marketing and sales spend.
CACCost Per Lead (CPL) Calculator
Estimate the cost of generating each lead from advertising and marketing campaigns.
CPLSales Funnel Conversion Calculator
Track how users move through your funnel and identify where conversion drops occur.
FunnelEmail Marketing Revenue Calculator
Estimate revenue generated from email campaigns using list size, open rates, and conversions.
EmailHow these tools help founders
Each category page groups related tools together so founders can move from broad decision-making into more specific planning, testing, and optimisation work without jumping between unrelated pages.
What these tools help with
- Measuring the return on ad spend and campaign efficiency
- Testing whether a winning A/B variation is likely real or just noise
- Estimating conversion rates, lift, and cost per conversion
- Translating optimisation improvements into projected revenue impact
Why founders use this category
- To make better decisions on landing pages, ads, and funnels
- To stop guessing whether a conversion improvement matters commercially
- To understand which changes are worth investing in further
- To connect growth work to more measurable business outcomes
Common questions
Quick answers to common founder questions related to this category.
What is the best marketing calculator to start with?
That depends on the problem. Start with ROI for ad performance, A/B significance for split tests, and conversion lift tools when you want to estimate commercial upside from optimisation.
Why do conversion tools matter for founders?
Because even small conversion improvements can meaningfully change revenue, customer acquisition efficiency, and the viability of a business model.