GPA Calculator
Free GPA calculator. Calculate your college or high school GPA from letter grades and credit hours. Standard 4.0 scale.
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Last updated: January 2026
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Frequently Asked Questions
How is GPA calculated?
GPA (Grade Point Average) is calculated by multiplying each course's grade points by its credit hours, summing these products, then dividing by total credit hours. Formula: GPA = Σ(Grade Points × Credit Hours) ÷ Total Credit Hours. For example, an A (4.0) in a 3-credit course and a B (3.0) in a 4-credit course gives: (4×3 + 3×4) ÷ 7 = 3.43 GPA.
What is a good GPA for college applications?
For competitive universities, aim for 3.5+ (on a 4.0 scale). Top-tier schools often expect 3.7-4.0. A 3.0 is typically considered 'good' and meets most program requirements. However, admissions also consider course rigor, extracurriculars, and essays. Some schools use weighted GPAs where honors/AP classes can exceed 4.0.
What's the difference between weighted and unweighted GPA?
Unweighted GPA uses a standard 4.0 scale regardless of course difficulty. Weighted GPA adds extra points for honors, AP, or IB courses (typically 0.5-1.0 extra), allowing GPAs above 4.0. A student with straight A's in all AP classes might have a 4.5+ weighted GPA but a 4.0 unweighted GPA.
How do letter grades convert to GPA points?
Standard conversion: 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. Some schools don't use plus/minus grades, making A = 4.0, B = 3.0, etc. Always check your institution's specific scale.
Can I raise my GPA significantly in one semester?
It depends on your current credits. With fewer completed credits, each new grade has more impact. Formula for new GPA: (Current GPA × Current Credits + New GPA × New Credits) ÷ Total Credits. Example: With 60 credits at 2.5 GPA, earning a 4.0 in 15 credits raises you to only 2.8. Early intervention matters most.