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Reference

GPA conversion, both ways

Convert a percentage, letter grade, or GPA to the other two on the 4.0 scale — instantly.

Convert from

Letter B+, GPA 3.3, percentage 87–89%.

Want the full chart?See every letter, percentage range, and GPA on the GPA scale page.See the GPA scale →Converting a whole transcript?The college GPA calculator turns all your courses into one GPA — and saves them.Open the college GPA calculator →

GPA conversion questions

How do I convert a percentage to GPA?

First map your percentage to a letter grade using your school’s scale (for example 88% = B+ on a 10-point scale), then convert that letter to its GPA points (B+ = 3.3). Gradejar’s converter does both steps for you — type a percentage and it shows the letter and the GPA.

How do I convert a GPA back to a percentage?

A single GPA maps to a letter grade, and that letter covers a percentage range rather than one exact number. Switch the converter to “GPA” and it shows the matching letter and the percentage band that letter represents.

What GPA is a B+ / an A− / a 3.5?

On the standard 4.0 scale a B+ is 3.3, an A− is 3.7, and a 3.5 sits between a B+ and an A− (a strong B+/A− average). Use the converter to check any letter, percentage, or GPA instantly.

Does this use a weighted or unweighted scale?

The converter uses the standard unweighted 4.0 plus/minus scale. For weighted GPAs with Honors and AP/IB boosts, use the High School GPA calculator, which adds those bonuses and remembers your classes.