What are the default font sizes (in pixels) for the html heading tags (

Question

What are the default font pixel sizes for the heading (h1-h6) tags?

Answer 1

Another way of putting it is:

h1 is   32px   (2em)
h2 is   24px (1.5em)
h3 is 20.8px (1.3em)
h4 is   16px   (1em)
h5 is 12.8px (0.8em)
h6 is 11.2px (0.7em)