Create products which calculate a total based on the number of words in a Paragraph or Post Body field.

What does it do? The Pay Per Word perk allows you to create product fields which calculate a total based on the number of words in a Paragraph or Post Body field. How does it work? As the user types, the Pay Per Word functionality counts how many words have been entered into the specified Paragraph or Post Body field and calculates (based on the specified price per word) how much the Pay Per Word product will cost.

DEMO – Gravity Perks – Pay Per Word – v1.1.2

Demo and More Info