GPA (Grade Point Average) is a numerical representation of academic performance, calculated by averaging grade points across courses. The standard U.S. scale runs from 0.0 to 4.0.
How GPA Is Calculated
GPA = Total Grade Points ÷ Total Credit Hours. Grade points per course = grade value × credit hours. Standard values: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0. Plus/minus variants: A- = 3.7, B+ = 3.3, etc.
Weighted vs. Unweighted GPA
- Unweighted: Standard 4.0 scale. An A in any class = 4.0.
- Weighted: Honors/AP classes receive bonus points. An A in AP = 5.0, Honors = 4.5. Weighted GPAs can exceed 4.0.
Real-World Example
Three courses: English (3 credits, A = 4.0), Math (4 credits, B+ = 3.3), History (3 credits, A- = 3.7). Grade points: (3×4.0) + (4×3.3) + (3×3.7) = 12 + 13.2 + 11.1 = 36.3. GPA: 36.3 ÷ 10 credits = 3.63.
Frequently Asked Questions
What is a good GPA?
A 3.0 (B average) is generally considered good. For competitive colleges: 3.5+ unweighted. For Ivy League: 3.9+. For graduate school: 3.0 is typically the minimum. Context matters — a 3.5 in engineering may be valued more than a 4.0 in an easier major.
Do all colleges use the 4.0 scale?
Most U.S. colleges use the 4.0 scale, but some use different systems. Some do not use plus/minus grades. International systems vary widely — the UK uses classifications (First, 2:1, 2:2), and many European countries use a 1-10 or 1-20 scale.
Can I raise a low GPA?
Yes, but it gets harder with more credits completed. Early poor grades have less impact if followed by strong semesters. Some schools offer grade replacement policies for retaken courses. Focus on the upward trend — admissions officers notice improvement.