How to Calculate Your GPA–Letter Grades and Percentages

One of my most popular posts is about how to calculate your “real” GPA.  Some readers have asked how to translate grades expressed as a percent into letter grades, and then into a GPA based on a 4.0 scale.

Below is a chart that can serve as a starting point.  Recognize,  however, that all schools and colleges will have their own grading policies.  This is one way to translate one kind of grade into another.  It’s meant as a helpful tool, but you should always investigate how individual colleges and schools handle this translation before making any assumptions about how they will consider your own performance.

If you’re worried about your GPA, it’s likely that you are a bit nervous about how your GPA will affect your admission to college. There are three things to keep in mind.

First, it’s not just about your GPA overall.  You need to pay close attention to your core GPA.

Second, you need to think first about which colleges fit you best.  It may turn out that you are worrying too much for the wrong reasons.

Third, if you are having trouble fitting all these pieces together–your GPA, your test scores, your interests, your aptitudes–you may want to consider asking for some professional advice from an expert who can help you navigate the college admissions process.

Interested in a free consultation?  Send me a note!

Mark Montgomery
Educational Consultant

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About the Author

Mark is a leading educational consultant. His experience as a professor, college administrator, and youth mentor help him guide students from around the country and around the world.

264 Responses to “How to Calculate Your GPA–Letter Grades and Percentages”

  1. Hi Helly,

    I don’t think there is any standard way to convert the grades from IB to a US system. You may want to see if their is a local high school with an IB program in your area that can offer any insights.


  2. Alexx Alexander says:

    thanks so much 4 this!!!

  3. Hello Jeannie,

    We would need to know the full breakdown of the scale you are suing in order to help you calculate your grades.


  4. Ratnaman says:

    D+ should be 67-69%, no? Thee is an error in the chart.

  5. Annabell says:

    a “3.6” is an A- NOT a B+

  6. Mark Montgomery says:

    Hi, Annabell. As this post points out, not every school treats grades the same. However, a 3.7 is usually considered the the dividing line between an A- and a B+ If your school does it differently, that’s cool. But how does the college to which you may be applying see it? That is perhaps, the more important question. Some high schools are actually eliminating the “+” and “-” from the transcripts. This is nice when the grade is an A-. But not so great when it is a B+. As in everything in life, win some, lose some!
    Thanks for writing in.

  7. Denise says:

    Im in College and my Gpa is 3.50 is that good enough to be on th e Dean’s List?

  8. Mark Montgomery says:

    That depends on the policies of your college, which should be available on the college’s website.
    Best regards,

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