Education 2026-05-04 3 min read By Konvertibly Team

GPA Calculator: Cumulative GPA, Grade Points, and Credit Hours

Calculate your GPA from course grades and credit hours. Find weighted GPA, cumulative GPA, and what grades you need to hit a target GPA.

How GPA Is Calculated

GPA (Grade Point Average) weights each course grade by its credit hours, then averages. A 4.0 GPA = straight A's on the standard US scale.

Standard 4.0 Scale

A+/A = 4.0  |  A− = 3.7
B+  = 3.3   |  B  = 3.0  |  B− = 2.7
C+  = 2.3   |  C  = 2.0  |  C− = 1.7
D+  = 1.3   |  D  = 1.0  |  D− = 0.7
F   = 0.0

Weighted GPA Formula

GPA = Σ(Grade Points × Credits) / Σ(Credits)

Courses: Calc (4cr, A=4.0), Chem (3cr, B+=3.3), Eng (3cr, A−=3.7)
= (4×4.0 + 3×3.3 + 3×3.7) / (4+3+3)
= (16.0 + 9.9 + 11.1) / 10
= 37.0 / 10 = 3.70

What Grade Do I Need?

Current GPA=3.2, 80 credits, target=3.4, next semester=15 credits:
Required total quality points = 3.4 × (80+15) = 323
Already earned = 3.2 × 80 = 256
Need from next 15 credits = 323-256 = 67
Required GPA next semester = 67/15 = 4.47 → NOT achievable in 1 sem
(would take 3+ semesters of perfect A's)

Calculate your GPA: Free GPA Calculator