how do i calculate an unweighted gpa?

<p>my school does it gpa's on weird kind of scale(4.0 for a 100 in a normal class, 5.0 for a 100 in an honors class, and 6.0 for AP or pre-AP classes). My gpa is 4.2 (weighted, i think). I could really use some help</p>

<p>Here's Rice's grade scale: <a href="http://registrar.rice.edu/WorkArea/DownloadAsset.aspx?id=249%5B/url%5D"&gt;http://registrar.rice.edu/WorkArea/DownloadAsset.aspx?id=249&lt;/a>. The information in that document is designed for current Rice students, so don't worry about quality points, as they don't apply to an unweighted GPA. Simply calculated your GPA as you usually would using the scale at the top. Rice's grade scale is standard, although some schools (such as my high school) may not give A+s.</p>