Netflix wants to throw another type of yardstick into the ever-evolving pile of audience-measurement tools.

The streaming giant intends to institute a new measure for advertisers that tabulates how many of the 190 million monthly active viewers on its ad-supported tier see a specific commercial, the company’s president of advertising, Amy Reinhard , announced Wednesday. Netflix defines monthly active viewers as “members who have watched at least one minute of ads on Netflix per month multiplied by the estimated average number of people within a household,” a figure derived from Netflix’s own research.

In past years, Netflix based its measurement on account profiles, or users, rather than the number of people in a home that subscribes to its service. In May, the company said its ads r

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