Calculated Fields for ACF is a WordPress plugin designed to enhance the Advanced Custom Fields (ACF) functionality by introducing formula fields. This plugin allows users to perform dynamic calculations based on the values of other fields, updating results in real-time through AJAX while editing posts in the backend or using frontend forms. It requires ACF version 5.0 or later and is compatible with both the standard and Pro versions of ACF.

The plugin supports a wide range of mathematical and conditional operations, including basic arithmetic, rounding functions, and even array functions for repeater fields. Users can create complex formulas that reference other fields within the same group or parent fields in a repeater configuration. With features like dynamic updates and support for various mathematical functions, Calculated Fields for ACF is a powerful tool for developers looking to implement advanced calculations in their WordPress sites.