240 x 320 (small phone)

320 x 480 (iPhone)

480 x 640 (small tablet)

768 x 1024 (iPad - Portrait)

1024 x 768 (iPad - Landscape)

1920 x 1200 (iPad - Landscape)

A tool by Rene Rosenberg - Fce2000Group
Note: The content width may not be pixel perfect - I have added 15px to the iframes to cater for the scrollbars