GPA Scale Converter
How to Use This Converter
Enter your GPA on any scale (4.0, 4.33, 5.0, 10-point, or percentage) and see the equivalent on all other scales instantly. All five conversions display simultaneously for international applications and graduate school planning.
The Advanced calculator below adds bulk conversion for an entire transcript and a historical scale reference table. The Professional tier provides a full graduate school application profile with scale-specific requirements.
GPA Scale Conversion Formulas
4.0 → 5.0: Add 1.0 point for AP/IB courses; regular courses stay at 4.0 max
4.0 → 10.0: Multiply by 2.5 (e.g., 3.5 GPA × 2.5 = 8.75 CGPA)
4.0 → %: Use letter grade percentage ranges (A = 93–100%, B = 83–86%, etc.)
Proportional conversion: New Scale GPA = (Old GPA ÷ Old Max) × New Max
Conversion Example
Student has a 3.5 GPA on the US 4.0 scale.
4.33 scale: 3.5 (unchanged for A-)
10.0 scale: 3.5 × 2.5 = 8.75 CGPA
Percentage: approximately 90–92% (A- range)
UK equivalent: Upper Second Class / First Class border
Mix grades from multiple scales — each course uses its own source scale, all normalized to your selected output scale.
| Course | Category | Credits | Source Scale | Value | → 4.0 (US) | |
|---|---|---|---|---|---|---|
| 3.70 | ||||||
| 3.30 | ||||||
| 3.40 | ||||||
| 3.60 | ||||||
| 3.40 | ||||||
| 3.50 | ||||||
| 3.64 |