A measure of an entity’s marketing efficiency that is usually calculated by the dividing its total revenue (sales) by average total shares outstanding for a given year. It may cover a specified period whether quarterly, semi-annually, annually, or trailing twelve months (TTM).

As a formula, it is given as a financial ratio relating sales adjusted to discounts and returns to average total shares outstanding:

Sales per share = (sales – discounts and returns)/ shares outstanding

It is also known as revenue per share.