This GPA calculator was designed for the Iowa State University grading system. These calculations should not be considered your official GPA at Iowa State University or any other institution.

Please e-mail the Office of the Registrar with comments or to report problems with the GPA calculator.

Steps to calculate GPA

1. Enter semester grades

Enter course information to calculate qualified points
Course Credits Grade Major/Group Earned Grade Points Actions
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2. Optionally enter prior credits and earned grade points

Prior credits earned
Credit Source Cumulative GPA Credits Cumulative Earned Grade Points
Past Information

3. Calculated totals (recalculates automatically)

Calculated course totals
Grouping GPA Credits Grade Point Average Earned Grade Points
All Courses
Major / Group
Grade Quality Points
Grade Quality Points
A 4.00
A- 3.67
B+ 3.33
B 3.00
B- 2.67
C+ 2.33
C 2.00
C- 1.67
D+ 1.33
D 1.00
D- 0.67
F 0.00
Grade Types
Grade Description
P Passing mark obtained under the Pass-Not Pass system.
NP Non-passing mark obtained under the Pass-Not Pass system.
S Satisfactory completion of a course offered on a Satisfactory-Fail grading basis. May also be reported to indicate satisfactory performance in R (required-credit) courses, and in courses numbered 290, 490, 590, and 690.
T Satisfactory performance (equivalent to a grade of C or better in courses numbered 100-499, and a grade of B or better in courses numbered 500-699) in a special examination for academic credit.