Converting between WPF font size and “standard” font size

Question

I\'ve noticed in WPF, the default font size of 12 points is roughly equivalent to 9 points in \"normal\" applications (e.g. WordPad), 10 pt in WPF is roughly 7 pt standard, and

Answer 1

WPF uses pixels as its default unit for font size. The mapping between points (probably what you mean when you say "standard" font size) and pixels is: 1 pt = (96/72) px

This gives us a simple conversion function:

public static double PointsToPixels(double points)
{
    return points*(96.0/72.0);
}

See this question for more details.

Answer 2

Another method for conversion if you're going from point to WPF double is to use the System.Windows.FontSizeConverter class:

double sizeForWpf = (double) new FontSizeConverter().ConvertFrom("10pt");