Grade Converter — Letter, Percentage & GPA Scale
Instantly convert between letter grades, percentage scores, and GPA values. Supports the standard 4.0 scale, weighted scales for Honors and AP courses, and custom grading scales.
Frequently Asked Questions
What is an A in GPA points?▾
On a standard unweighted 4.0 scale, an A is 4.0, A- is 3.7, B+ is 3.3, B is 3.0, and so on. On a weighted scale for AP courses, an A is 5.0.
What percentage is a B+ or A-?▾
Grade cutoffs vary by school, but commonly: A+ = 97–100%, A = 93–96%, A- = 90–92%, B+ = 87–89%, B = 83–86%, B- = 80–82%.
How do I convert a percentage to a GPA?▾
Divide your percentage ranges into letter grade buckets, then map each letter to its GPA equivalent on the 4.0 scale. This converter does the mapping automatically.
Looking for more help? Read our guides or get the PowerSchool extension.