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UBC Grade Calculator (Percentage Average and Letter)
The University of British Columbia (Vancouver) grades courses in percentages, and each percentage has a letter equivalent. Enter your courses with their final percentage and credits. The calculator gives each course’s letter grade and your credit-weighted average, which is how UBC sessional and cumulative averages are built.
UBC’s Academic Calendar gives the scale that most faculties use. It is not the same as Ontario scales: a B+ is 76–79%, a B is 72–75% and a B− is 68–71%. Faculties, departments and schools may scale grades, and an unofficial grade from an instructor can change before it reaches your record. Graduate students have higher pass marks: below 60% is a fail for master’s students and below 68% for doctoral students. This calculator uses the undergraduate scale.
Default example: 81% (3 credits), 74% (4), 86% (3), 69% (3) and 92% (4) give 1,372 weighted points over 17 credits. The average is 80.71%, an A− on the UBC scale. If another school asks for a 4.0 GPA, it will usually convert your UBC percentages with its own table.
Result and step-by-step working
Letter equivalent of the average: A− · 17 credits
| Course | Percent | Letter | Credits | Percent × credits |
|---|---|---|---|---|
| MATH 100 | 81% | A− | 3 | 243 |
| CHEM 121 | 74% | B | 4 | 296 |
| ENGL 110 | 86% | A | 3 | 258 |
| PHYS 117 | 69% | B− | 3 | 207 |
| CPSC 110 | 92% | A+ | 4 | 368 |
- Weight each mark by its creditsSum of percent × credits = 1372 over 17 credits.
- Divide1372 ÷ 17 = 80.71%.
- LetterUBC Vancouver scale used by most faculties: 90–100 = A+, 85–89 = A, 80–84 = A−, 76–79 = B+, 72–75 = B, 68–71 = B−, 64–67 = C+, 60–63 = C, 55–59 = C−, 50–54 = D, 0–49 = F.
UBC Vancouver grading scale
| Percent | Letter |
|---|---|
| 90–100 | A+ |
| 85–89 | A |
| 80–84 | A− |
| 76–79 | B+ |
| 72–75 | B |
| 68–71 | B− |
| 64–67 | C+ |
| 60–63 | C |
| 55–59 | C− |
| 50–54 | D |
| 0–49 | F (Fail) |
Source: UBC Vancouver Academic Calendar, Campus-wide Policies and Regulations, Grading Practices (scale used in most faculties).
Frequently asked questions
- What percentage is an A at UBC?
- An A is 85–89%, an A+ is 90–100% and an A− is 80–84%.
- Does UBC use a GPA?
- UBC records percentage grades with letter equivalents, and its averages are worked out from the percentages. This calculator gives that credit-weighted average. Other schools that need a 4.0 GPA convert your percentages themselves.
- Is 50% a pass at UBC?
- For undergraduates, yes: 50–54% is a D and below 50% is an F. Some programs and all graduate programs have higher pass marks.
- Why do credits matter?
- A 4-credit course counts a third more than a 3-credit course in the average, so a high or low mark in a lab-heavy course moves it more.
Last reviewed: October 9, 2026. Calculations run in your browser; nothing you enter is sent anywhere.