Lilynn graves graphic and web designer at the cornell center for materials research at cornell university suggests a font size of 85pt for the title 3644 for the headers and 2434 for the body text. Text on the poster must be readable from a distance of a metre or so restrict your word count to only a few hundred words.
There are two criteria for text on a poster.
a0 poster font size. Again there may be restrictions depending on how and where you are presenting your poster but otherwise a great place to start is with a 48 x 36 poster in landscape orientation. If relevant methods should be presented simply and concisely. Titles 72 sub titles 54 text 30 sub text 20 obviously.
All posters should be in portrait format and size. 5 be a strong silent type. Lettering the poster should be easily readable at a distance of two metres.
32 font size. Less text more visitors to your poster. For the subtitles authors names school name etc use the same font as your title but make the font size smaller than the title.
Use upper and lower case for general content as the use of all capital text is difficult to read. Posters should meet the following criteria. Its ok albeit strange for most scientists to use incomplete sentences and bullet points and to ditch details.
85 pt font for the main title 36 pt for subheadings 24 pt for body text and 18 pt for captions. For the title consider using a large bold san serif font such as arial black franklin gothic heavy tahoma trebuchet or verdana. Make the font size between 72 120 points.
Powerpoint has a page size limit of 56 inches 14224 cm. Minimum recommended text sizes are. Orientation of your poster must be in portrait style.
Size the poster must be no less than a1 and no larger than a0 size ao size is 841mm x 1189mm. It will also let you adjust the font sizes before you tweaked everything to perfection. This is the most common size poster we print.
In order to create a poster larger than 56 inches the poster document has to be created at half the size of the final poster. I recommend 600 800 taking those together i suggest the following font sizes are a good starting point. The text should be concise and easy to read.
The message that your poster contains should be clear and understandable without the requirement of oral explanation. A0 1189 mm high and 841 mm wide.