Latest modern science | The problem with point size - Si Bejo Science
typefaces�What�s the smallest point size you can put on a poster?�
This is a common question, but it�s not one that has a simple answer.
I know many scientists read this blog, and scientists work in a world where measurements are universal. 37�C is 37�C no matter wherever you are, whatever you�re measuring, and are exactly comparable. Someone from a scientific background probably thinks that two identical pieces of text � in different fonts but the same point size � should take up the same space.
I have bad news. Point size does not work like that.
These two paragraphs are both set in serif typefaces, both nominally 16 points in size, but one takes 19% more column length than the other. This difference can arise because individual letters in the two fonts might have the same height, but different widths. The letter O may be a wider circle, or a narrower oval, for example.
That 19% will make a big difference in your layout, even if the two blocks of text are similarly readable.
I have selected two fonts with a fairly large difference here. Many other standard fonts will probably be more similar in their use of space. But it points out that you can�t rely on font size alone to guide your poster design.
Instead of blindly following a minimum font size, work from a couple of guiding principles.
But if all thoughtful design and testing stuff bores you, the answer is:
Nothing smaller than 24 point on your poster.
There. Happy?
This is a common question, but it�s not one that has a simple answer.
I know many scientists read this blog, and scientists work in a world where measurements are universal. 37�C is 37�C no matter wherever you are, whatever you�re measuring, and are exactly comparable. Someone from a scientific background probably thinks that two identical pieces of text � in different fonts but the same point size � should take up the same space.
I have bad news. Point size does not work like that.
That 19% will make a big difference in your layout, even if the two blocks of text are similarly readable.
I have selected two fonts with a fairly large difference here. Many other standard fonts will probably be more similar in their use of space. But it points out that you can�t rely on font size alone to guide your poster design.
Instead of blindly following a minimum font size, work from a couple of guiding principles.
- The bigger the text, the better.
- Test, test, and test some more. Print full sized sample paragraphs at the point size you want to use (12 point 18 point, 24 point, 30 point), tack them to a wall, and stand back a couple of meters and see how they look.
But if all thoughtful design and testing stuff bores you, the answer is:
Nothing smaller than 24 point on your poster.
There. Happy?