Enter the number of conversions with design A and the number of conversion with design B to calculate the A/B test ratio.

## A/B Test Formula

The following formula is used to calculate the percentage change between two designs A and B.

A/B = (B-A) / A *100

- Where A/B is the percentage change from A to B.
- A is the number of conversions from design A
- B is the number of conversions from design B

## A/B Test Definition

An A/B test is a direct comparison between the performance of two different designs or setups. This is usually used in marketing and design, but can also be used in any field.

## A/B Test Example

How to calculate A/B test results?

**First, determine the results of design A.**Measure the total conversions or results from the first design.

**Next, determine the results of design B.**Measure the total conversions of design B under the same conditions as design A.

**Finally, calculate the change.**Calculate the change from A to B using the equation above. A negative value will indicated a negative change in conversion.

## FAQ

**What is an A/B test?**

An A/B test is a measure of the change in performance between two different designs or situations, often dictated as A and B.

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