Free Conversion Rate Calculator for Websites and Campaigns
Conversion rate is the percentage of visits or sessions that complete a defined conversion. The denominator matters: use the same scope and time period for traffic and conversions.
Use the same time period and denominator for visits and conversions. A purchase conversion rate and a signup conversion rate are different metrics.
How this free tool works
Calculate conversion rate, average order value, revenue per visitor and customer acquisition cost from traffic, orders, revenue and ad spend. The result is designed to be transparent: you can see the inputs, the formula and the assumptions instead of receiving a black-box score.
Conversion rate = conversions ÷ visits × 100. AOV = revenue ÷ orders. CAC = acquisition spend ÷ new customers.
Best for
- Website owners checking funnel performance
- Growth teams comparing landing pages
- Marketers turning traffic and order data into useful benchmarks
Frequently asked questions
What is the conversion rate formula?+
Conversion rate equals completed conversions divided by the relevant visits or sessions, multiplied by 100.
What is a good conversion rate?+
A good rate depends on traffic source, offer, device, price and conversion definition. Compare like with like before using a benchmark.
Should I use users, sessions or pageviews?+
Use the denominator that matches the question. For a site-wide purchase rate, sessions or users can be appropriate; for a landing-page action, use the relevant landing-page visits.
References and methodology
We use primary documentation where available and treat calculators as planning aids, not guarantees. Check the linked source when a platform changes its rules.
- Google Analytics: Dimensions and metrics
Official reference for Analytics measurement concepts.
- Shopify: Conversion rate optimization
Practical ecommerce context for interpreting conversion rate.
Turn this answer into a repeatable growth workflow.
Use the free result as your starting point, then move the next campaign, creative or growth decision into GrowthGPT when the work becomes repetitive.