Which 1 of all these online charts do i use to convert my 100 scale GPA to 4.0 scale?

<p>Almost all charts, data, statistics and graphs online for summer programs admissions to colleges etc. use a 4.0 scale when talking about gpa. Our school uses a 100 scale system and thats the way both grades and overall GPA are reported. My prediction for my weighted GPA at the end of Senior Year (i'm taking a gap year to enroll in some programs before applying to college) will be a 95. I know colleges wont require me to convert my GPA to 4.0 scale, they will look at it as it is provided by my high school, but when i look at some graphs, they are (almost) all in 4.0 scale. Which conversion chart do i use, as so far all ive been doing is moving the decimal on my 100 scale grade and multiplying it by 4.0 (ex: 95 would be .95 x 4.0 = 3.8) but the 4.0 scale does not work that way, as a failing grade is a 0.00 not a .65 * 4.0 = 2.6. Which chart do i use to convert my gpa when looking at charts and graphs? Princeton has its own, College Board the same, and they are a bit different. The College Board chart sees anything above a 94 or 95 as a 4.0, but i doubt that's accurate. Any suggestions, provide links if you can.
Thanks.</p>

<p>If all your marks are As, you have a 4.0.</p>

<p>Don’t use a scale just get a copy of your transcript and add up all the grades
A=4
B=3
C=2
And divide by the total</p>