About the Conversion Difference Calculator
Compare two conversion rates from raw visitors and conversions: absolute and relative difference.
Also known as: conversion rate difference, compare conversion rates.
How to use this calculator
- Enter visitors a, conversions a, visitors b, conversions b.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Δ = rate B − rate A
Worked example
Using the values pre-filled in the calculator above:
- Visitors A = 2,000
- Conversions A = 60
- Visitors B = 2,100
- Conversions B = 84
the calculator returns:
- Absolute difference: 1 pp
- Relative difference: 33.33%
- Rate A: 3%
- Rate B: 4%