GPA Scales and Grade Conversion

These tables are a common reference for US schools. Many schools and individual courses use slightly different cutoffs or weighting rules — always confirm the scale that applies to you with your counselor, registrar, or course syllabus.

4.0 GPA Scale
The standard unweighted scale used at most US high schools and colleges.
Weighted GPA Scale
A common reference for how Honors, AP, IB, and dual-enrollment courses are weighted.
Letter Grade to GPA
Letter grade to grade point conversion for the standard 4.0 scale.

Related guides

How to calculate GPA
Apply the scale to your own courses with a worked example.
Weighted vs unweighted GPA
How weighted scales typically differ from the standard 4.0 scale.

GradeTally is an independent planning tool and is not affiliated with any school, college, university, or education department. Calculations are for planning purposes only — confirm official GPA rules with your school counselor, registrar, or official academic policy.