## How are ratings calculated?

The numbers in a Nielsen rating act as a percentage.

Nielsen estimates a total audience for a certain span of time, and ratings count as percentage points in that estimated audience.

There are 118.4 million households and each point on a Nielsen rating represents a percent of that total number.

## How is TV viewership measured?

Ratings point is a measure of viewership of a particular television programme. Thus, a single national ratings point represents 1%, or 1,096,000 television households for the 2004–05 season. When used for the broadcast of a program, the average rating across the duration of the show is typically given.

## How are Nielsen ratings collected?

Measuring ratings. Nielsen television ratings are gathered in one of two ways: Viewer “diaries”, in which a target audience self-records its viewing or listening habits. These devices gather the viewing habits of the home and transmit the information nightly to Nielsen through a “Home Unit” connected to a phone line.

## What does a 1.0 Nielsen rating mean?

“Overnight” means the first numbers reported the morning after a show airs, which are subject to adjustments later in the day. A ratings point itself represents 1% of all households in the united states. So if we were to assume 115 million households, a 1.0 rating is 1.15 million homes tuning in.