Unweighted vs Weighted GPA Scales
- Unweighted 4.0 Scale: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0 regardless of course difficulty.
- Weighted 5.0 Scale: AP/IB courses get +1.0 boost (A = 5.0); Honors courses get +0.5 boost (A = 4.5).
Grades 7 min read
GPA Scale Guide: 4.0 Unweighted vs 5.0 Weighted Scale
Learn how high school and college Grade Point Averages (GPA) are calculated on 4.0 unweighted scales vs 5.0 weighted AP/Honors scales.
Published August 11, 2026
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Basic Math Tools STEM Editorial Team
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Updated: August 11, 2026
Related Interactive Calculators
Practice ToolsGPA Calculator
Calculate cumulative weighted and unweighted Grade Point Average (GPA on standard 4.0, Honors 4.5, and AP/IB 5.0 scales) with semester breakdowns.
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Calculate the exact exam score required on your final exam to achieve your desired semester course letter grade target.
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