Banner Ad Dimensions

300 x 250 IMU – (Medium Rectangle)

250 x 250 IMU – (Square Pop-Up)

240 x 400 IMU – (Vertical Rectangle)

336 x 280 IMU – (Large Rectangle)

180 x 150 IMU – (Rectangle)

300 x 100 IMU – (3:1 Rectangle)

720 x 300 IMU – (Pop-Under)

468 x 60 IMU – (Full Banner)

234 x 60 IMU – (Half Banner)

88 x 31 IMU –
(Micro Bar)

120 x 90 IMU –
(Button 1)

120 x 60 IMU –
(Button 2)

120 x 240 IMU –
(Vertical Banner)

125 x 125 IMU –
(Square Button)

728 x 90 IMU – (Leaderboard)

160 x 600 IMU –
(Wide Skyscraper)

120 x 600 IMU –
(Skyscraper)

300 x 600 IMU – (Half Page Ad)

425×600

Sources: *