Alberta runs on percentages, and the grading culture is basically the same as Ontario’s — an 80 puts you in A-range, and 50 is the line that gets you the credit. The catch that trips people up is simpler than you’d think: Alberta has no 4.3 scale. An A+ and an A both earn 4.0, so chasing a 92 over an 88 is about pride, not your GPA.
If you’re at the University of Alberta, University of Calgary, Mount Royal, MacEwan, or a big Alberta polytechnic, enter each course as a percentage with its credit weight and this calculator maps every mark to its Alberta letter, scores it on the 4.0 scale, and blends everything by credits.
Alberta schools grade in percentages, and the A range starts at 80 the same way it does in the rest of Canada. The big Alberta difference: there’s no 4.3 scale — an A+ caps at 4.0, and a pass is 50. Add each course with its percentage and credits, and this maps every mark to its Alberta letter and GPA points.
How the Alberta GPA scale works
Alberta schools hand out letters from a percentage, and the common table looks like this:
- 90–100 = A+
- 85–89 = A
- 80–84 = A−
- 76–79 = B+
- 73–75 = B
- 70–72 = B−
- 67–69 = C+
- 63–66 = C
- 60–62 = C−
- 55–59 = D+
- 50–54 = D
- Below 50 = F
Two Alberta things worth remembering. First, there is no D− — everything from 50 to 54 is a straight D on the common table. Second, A+ tops out at 4.0, so the scale can never push above a perfect 4.0 no matter how many 90s you stack.
The formula
GPA = Σ(grade points × credits) ÷ Σcredits
Each percentage becomes a letter, each letter pulls its points off the 4.0 scale, and you weight by credit hours. Because A+ and A both score 4.0, your GPA is the average of your letter performance, not your exact percentages.
Worked example
Say your term comes out like this:
- Math 88% (A) × 4.0, worth 3 credits = 12.0 points
- English 74% (B) × 3.0, worth 3 credits = 9.0 points
- PE 66% (C) × 2.0, worth 3 credits = 6.0 points
Add the points: 12.0 + 9.0 + 6.0 = 27.0. Divide by the 9 total credits: 3.0 GPA. Notice the 88 and 74 both behave as solid marks on a 4.0 scale — if an Ontario classmate with the same percentages got a 3.17, that’s the different scale doing the talking, not a smarter term.
High school, provincial diplomas, and admission
Alberta high school courses are marked on percentages with diploma exams for a handful of core subjects. When U of A or U of C talks admission, they usually talk averages in percentages, not GPAs — a 90% average means something different than a 3.9 GPA. Use this calculator when you’ve got an actual transcript in letters or when your program hands you a GPA. For straight percentage averages, the grade percentage calculator is the faster tool.
Frequently asked questions
Why is there no 4.3 scale in Alberta?
Because the common Alberta table caps A+ at 4.0. Schools like U of A and U of C grade on a 4.0 system, so an A+ doesn’t buy you extra points the way it does on an Ontario 4.3 scale. That single difference is why Alberta students can’t just reuse an Ontario calculator.
Is a 50 a pass in Alberta?
Yes — 50% is the passing line, and this calculator treats 50–54 as a D. Some programs (engineering, nursing, education) hold core courses to 60–70 instead; your program’s rules outrank any chart.
I got an A+ and an A. Are they worth the same GPA points?
On the Alberta 4.0 scale, yes — both earn 4.0. Unlike states that hand out 4.3 or 5.0 for an A+, an Alberta A+ is a marking distinction, not a GPA bonus.
Do I convert my high school percentage the same way?
For a direct GPA, mostly — the same bands apply. But colleges usually compute admission from your percentage average, not a GPA. If you’re applying, keep the percentage average handy.
Is the Alberta table the same as Ontario’s?
Close but not identical. Ontario runs a 4.3 option on many campuses and uses a D−, while Alberta stays 4.0-only and jumps straight from D (50–54) to F below 50. Different enough that your Ontario number won’t match your Alberta number for the same marks.
Other tools
- Ontario GPA Calculator — the 4.0/4.3 neighbor provinces use
- British Columbia GPA Calculator — the 4.33 west-coast scale, where a 90 becomes an A+
- Quebec GPA Calculator — the 4.3 French-league scale, where the C range runs 60 to 69
- USA GPA Calculator — the standard 4.0, where the ten-point bands run 90/80/70/60
- GPA Calculator — course grades into a term GPA, US style
- Cumulative GPA Calculator — semesters into an overall GPA
- Grade Percentage Calculator — earned points out of possible points
- Percentage to GPA Converter — a single percentage into points
Or browse everything on the student GPA tools page.