Free Ecommerce Resources

Are you a business leader who wants to build a more effective and profitable Amazon business? I offer a wide range of consulting services and helpful resources for people just like you. Please reach out via if you’d like to discuss your project with me.

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Conversion Rate Calculator

A quick and easy way to calculate the conversion rate of your product pages or ads.

Calculate your conversion rate now »

A/B Testing Significance Calculator

If you’re doing A/B testing, this calculator is for you. Find out which variation performs better and whether it has a statistical significance.

Calculate the A/B testing significance now »

PPC Campaign ROI Calculator

Calculate the ROI of your ad campaigns and see how your Cost per Click (CTC) and Customer Acquisition Costs (CAC) compare to your break-even. A useful tool for anyone who wants to improve their ad performance.

Calculate your campaign ROI now »

ROAS Calculator

Quickly work out the Return on Ad Spend (ROAS) of your online ads. Simply enter your revenue and ad spend and start improving your campaigns.

Calculate your ROAS now »

Amazon ACoS Calculator

A simple tool to calculate the Advertising Cost of Sales (ACoS) of your ad campaigns. Useful for anyone who wants to understand the true costs of running ads on Amazon.

Calculate your ACoS now »

Profit Margin Calculator

Do you know the profit margin of your product? If you’d like to review or plan your markup to sell an item at a profit, use my easy to use profit margin calculator.

Calculate your profit margin now »


Any questions? Send me an email at and I’ll get back to you as soon as I can. If you don’t want to consume all those resources yourself, you might want to consider my consulting offer.