Marketing A/B Test Sample Size
Free online Marketing A/B Test Sample Size. Calculate the minimum sample size needed for a statistically significant A/B…
Calculate the minimum sample size needed for a statistically significant A/B test based on baseline conversion rate and desired minimum detectable effect.
🧮 Marketing A/B Test Sample Size
✅ Copied!
Result
📐 Formula Used
Profit Margin:
Margin = (Revenue - Cost) / Revenue × 100Markup:
Markup = (Price - Cost) / Cost × 100Break-Even:
Break-Even = Fixed Costs / (Price - Variable Cost)When and Why to Use This Calculator
Use this marketing calculator when planning campaigns, evaluating channel performance, or reporting on marketing ROI to stakeholders.
Worked Example
Baseline conversion rate 5%, wanting to detect a 20% relative improvement (to 6%): approximately 15,000 visitors per variant needed for 95% confidence and 80% power.
How to Use This Calculator
- Step 1 — Enter your values into the fields above.
- Step 2 — Press Calculate to see your result instantly.
- Step 3 — Review the formula to understand how the result was reached.
- Step 4 — Use Copy Result to copy your answer, or Reset to start over.
No sign-up required. The Marketing A/B Test Sample Size is completely free on any device.
Frequently Asked Questions
What is the Marketing A/B Test Sample Size?
The Marketing A/B Test Sample Size is a free online tool that helps you quickly calculate results based on your inputs. It provides instant, accurate results with a clear formula breakdown.
How do I use the Marketing A/B Test Sample Size?
Simply enter your values in the input fields and click the Calculate button. The result will appear instantly along with the formula used. You can also click Copy Result to copy the answer or Reset to start over.
Is the Marketing A/B Test Sample Size free to use?
Yes, the Marketing A/B Test Sample Size is completely free. No registration, no subscription, and no hidden fees.
Can I use the Marketing A/B Test Sample Size on my phone or tablet?
Absolutely. The Marketing A/B Test Sample Size is fully responsive and works on all devices including smartphones, tablets, and desktops.
How accurate is the Marketing A/B Test Sample Size?
The Marketing A/B Test Sample Size uses standard mathematical formulas and provides results accurate to several decimal places. Results are intended for informational and educational purposes.