Aspect ratio

• Universal Ad Package (UAP)
• Interactive Advertising Bureau (IAB)
• http://en.wikipedia.org/wiki/Aspect_ratio_(newspaper)
• tango.info image sizes

Name	width	height	unit	aspect ratio	source
fb profile 50x50	50	50	px	1	facebook profile pic
Micro button	80	15	px	5.33
Micro bar	88	31	px	2.84	IAB
Button 2	120	60	px	2	IAB
Button 1	120	90	px	1.33	IAB
Vertical banner	120	240	px	2	IAB
Skyscraper	120	600	px	5	IAB
Square button	125	125	px	1	IAB
youtube video preview thumb	130	97	px	1.34	Google
Wide skyscraper	160	600	px	3.75	IAB/UAP
Rectangle	180	150	px	1.2	IAB/UAP
Half banner	234	60	px	3.9	IAB
Vertical rectangle	240	400	px	1.67	IAB
Square pop-up	250	250	px	1	IAB
Google Mobile Image	300	50	px	6	Google
3:1 Rectangle	300	100	px	3	IAB
Medium rectangle	300	250	px	1.2	IAB/UAP
Half-page	300	600	px	2	IAB
Large rectangle	336	280	px	1.2	IAB
Full banner	468	60	px	7.8	IAB
Pop-Under	720	300	px	2.4	IAB
Leaderboard	728	90	px	8.09	IAB/UAP
4:3 screen (e.g. 320x240 mobile phone)			px	1.333
16:10 screen			px	1.6
5:3 screen			px	1.666
16:9 screen			px	1.777
passport photo	35	45	mm	1.2857
3:2 photo print size			mm	1.5
ISO 7810 ID-1 credit card	85.60	53.98	mm	1.58577
Silver ratio ISO 216 paper size				1.414
Golden ratio				1.618

Google

• https://www.google.com/adsense/static/en_US/AdFormats_mobile.html
  • https://www.google.com/adsense/static/en_US/images/mobile300-50.gif

Relation to other standards

Closest to

• golden ratio 1.61 : Vertical rectangle (1.67)
• ISO 216 paper size 1.41 : Button 1 (1.33)
• standard photographic print size 1.5 : Vertical rectangle (1.67)