University of Guelph
GPA Calculator
Calculate your U of G GPA and convert it to percentage using the official OUAC 4.0 grading scale for both undergraduate and graduate students.
U of G GPA Calculator
Add each course with its letter grade and credit weight. Calculation uses Guelph's official OUAC 4.0 grade points.
Add Your Courses
Guelph uses a 4.0 grade-point scale. A+ = 4.0 and A = 3.9.
| Course | Grade | Credits | Actions |
|---|
How U of G GPA Is Calculated
Guelph uses the standard weighted-average formula based on grade points and credit weights.
📝 Worked Example
Suppose a student takes 6 half-credit courses with the following grades:
| Course | Credits | Letter Grade | Grade Point | Credit Points |
|---|---|---|---|---|
| Course 1 | 0.50 | A+ | 4.0 | 0.50 × 4.0 = 2.00 |
| Course 2 | 0.50 | A | 3.9 | 0.50 × 3.9 = 1.95 |
| Course 3 | 0.50 | A− | 3.7 | 0.50 × 3.7 = 1.85 |
| Course 4 | 0.50 | B+ | 3.3 | 0.50 × 3.3 = 1.65 |
| Course 5 | 0.50 | B | 3.0 | 0.50 × 3.0 = 1.50 |
| Course 6 | 0.50 | C+ | 2.3 | 0.50 × 2.3 = 1.15 |
| Total | 3.00 | — | — | 10.10 |
Plugging into the formula:
U of G GPA to Percentage Converter
Convert your 4.0-scale Guelph GPA to an equivalent percentage instantly.
Convert GPA → Percentage
Enter any U of G GPA between 0.0 and 4.0.
The Conversion Formula
Guelph uses a 4.0 scale, so:
Example: If your GPA is 2.9, then Percentage = 2.9 × 25 = 72.50%.
Official U of G Grading Scales
Both undergraduate and graduate procedures, sourced from the University of Guelph Office of Registrarial Services.
📘 Undergraduate Grading Procedure
Standard scale used across U of G undergraduate programs (OUAC 4.0 equivalence).
| Marks Range | Letter Grade | Grade Point | Performance |
|---|---|---|---|
| 90–100 | A+ | 4.0 | Excellent |
| 85–89 | A | 3.9 | Excellent |
| 80–84 | A− | 3.7 | Excellent |
| 77–79 | B+ | 3.3 | Good |
| 73–76 | B | 3.0 | Good |
| 70–72 | B− | 2.7 | Good |
| 67–69 | C+ | 2.3 | Acceptable |
| 63–66 | C | 2.0 | Acceptable |
| 60–62 | C− | 1.7 | Acceptable |
| 57–59 | D+ | 1.3 | Minimally Acceptable |
| 53–56 | D | 1.0 | Minimally Acceptable |
| 50–52 | D− | 0.7 | Minimally Acceptable |
| 0–49 | F | 0.0 | Fail |
🎓 Graduate Grading Procedure
Stricter scale: anything below 65% is a failure (F).
| Marks Range | Letter Grade | Performance |
|---|---|---|
| 90–100 | A+ | Excellent |
| 85–89 | A | Excellent |
| 80–84 | A− | Excellent |
| 77–79 | B+ | Good |
| 73–76 | B | Good |
| 70–72 | B− | Good |
| 67–69 | C+ | Acceptable |
| 65–66 | C | Acceptable |
| 0–64 | F | Fail |
U of G GPA — Frequently Asked Questions
What GPA scale does the University of Guelph use?
Guelph uses a 4.0 grade-point scale based on the OUAC conversion table. A+ = 4.0, A = 3.9, A− = 3.7, B+ = 3.3, all the way down to F = 0.0.
How do I convert U of G GPA to percentage?
Use this formula: Percentage = GPA × 25 (equivalent to (GPA ÷ 4.0) × 100). For example, a GPA of 3.5 converts to 87.5%.
What's the difference between undergraduate and graduate grading?
Undergraduate: Grades range from A+ down to F (0–49%). Each band has its own grade point.
Graduate: The pass threshold is higher — anything below 65% is recorded as a failure (F).
Why do A+ and A have different grade points at Guelph?
Unlike some Canadian schools that cap both at 4.0, the OUAC conversion used by Guelph assigns A+ = 4.0 and A = 3.9, so a 90%+ score gives a slightly higher GPA contribution than an 85–89% score.
Can I calculate my running GPA mid-program?
Yes. Simply add all the courses you've completed so far in the calculator above. The result will be your cumulative GPA based on completed credits.
Reference: All grading data verified against the University of Guelph — Office of Registrarial Services and the OUAC Undergraduate Grade Conversion Table.