How it works
Fill in the 2 fields above and Conversion Rate Lift Calculator calculates the result instantly, recalculating as you change any value. The math runs locally in your browser — nothing is sent to a server.
Examples
- Control rate 3 %, Variant rate 3.6 % → Relative lift: 20%
Frequently asked questions
How do I use the Conversion Rate Lift Calculator?
Enter your values in the 2 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
Is my data private?
Yes. The Conversion Rate Lift Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the Conversion Rate Lift Calculator free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on marketing and the rest of the platform, you can use it as often as you like.
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