Letter Grade to GPA Calculator
Enter your letter grades for each course, no credit hours, no percentages. The calculator adds up the GPA point values and returns your unweighted average on any scale you choose.
That last part matters. Unweighted GPA treats every course equally, regardless of whether it’s a five-credit lecture or a one-credit elective. Most US colleges want your unweighted GPA for admissions purposes, because it lets them compare students across schools that weight courses differently. If you’re a high school student building a college application, this is the calculation you need.
Change the target scale to 4.0, 5.0, 7.0, or 10.0. Switch the letter scheme to US, UK, ECTS, or Australian. The result updates instantly.
Letter Grade to GPA: The Complete Point Value Table
Every letter grade maps to a fixed GPA point value. This is the standard US plus/minus scale:
| Letter Grade | GPA Points (4.0 scale) | Typical Percentage Range |
|---|---|---|
| A+ | 4.0 | 97–100% |
| A | 4.0 | 93–96% |
| A– | 3.7 | 90–92% |
| B+ | 3.3 | 87–89% |
| B | 3.0 | 83–86% |
| B– | 2.7 | 80–82% |
| C+ | 2.3 | 77–79% |
| C | 2.0 | 73–76% |
| C– | 1.7 | 70–72% |
| D+ | 1.3 | 67–69% |
| D | 1.0 | 63–66% |
| D– | 0.7 | 60–62% |
| F | 0.0 | Below 60% |
These values are the defaults in the calculator. Every value is editable if your school uses a different scale.
How the Calculator Works
The calculation is a simple average of GPA points. No credit weighting is involved.
For each course, you enter a letter grade. The calculator looks up the GPA value for that letter (B+ = 3.3, A– = 3.7, and so on). It sums those values, then divides by the number of courses. That result is your unweighted GPA on a 4.0 scale.
If you change the target scale to 7.0, every letter value scales proportionally: B+ becomes 5.775 (3.3 × 7/4), A– becomes 6.475 (3.7 × 7/4), and the average adjusts accordingly.
Example with six courses:
| Course | Letter | GPA Points |
|---|---|---|
| Mathematics | A+ | 4.0 |
| English | A | 4.0 |
| Sciences | A+ | 4.0 |
| Social Studies | A | 4.0 |
| Elective | A– | 3.7 |
| Art | B+ | 3.3 |
Average: (4.0 + 4.0 + 4.0 + 4.0 + 3.7 + 3.3) ÷ 6 = 3.83 GPA
Unweighted vs Weighted GPA: Which Does This Calculate?
This calculator produces an unweighted GPA. Every course has equal weight, regardless of credit hours or course difficulty.
Weighted GPA is different: it multiplies each grade’s point value by the course’s credit hours before averaging. A four-credit calculus course with an A contributes more to a weighted GPA than a one-credit gym class with the same grade. That’s the calculation at the GPA calculator if you need it.
Why unweighted GPA matters for college applications: Most US colleges evaluate applicants on an unweighted 4.0 scale. Even students with weighted GPAs above 4.5 (earned through AP and Honors courses) will have their transcripts recalculated to unweighted when colleges compare them. Reporting an unweighted GPA for admissions is standard; this tool provides exactly that.
If your school awards only letter grades and no credit hours, this calculator is your most accurate option. Enter each class, select the letter, and the unweighted average is your result.
UK, ECTS, and Australian Letter Grades to GPA
The calculator supports four-letter schemes. Switch the scheme selector to convert non-US grades.
United Kingdom Degree Classes to GPA
There is no single official formula for converting UK degree classifications to US GPA. Different universities and credential evaluation agencies use different ranges. The widely cited approximations are:
| UK Degree Class | Typical GPA Range (4.0 scale) |
|---|---|
| First Class Honours (70%+) | 3.7 – 4.0 |
| Upper Second / 2:1 (60–69%) | 3.3 – 3.7 |
| Lower Second / 2:2 (50–59%) | 2.7 – 3.3 |
| Third Class (40–49%) | 2.0 – 2.7 |
Durham University’s published guide puts First at 3.8–4.0, UCL equates 2:1 to 3.3, and the LSE uses 3.5 for 2:1. The ranges reflect genuine disagreement between institutions, not imprecision in this tool. For official applications, agencies like WES or UK ENIC provide formally recognised evaluations.
The calculator maps First → 4.0, 2:1 → 3.0, 2:2 → 2.0, and Third → 1.0 by default. Adjust through the threshold editor to match any specific institution’s published equivalency.
ECTS Grades to GPA
ECTS uses a seven-point scale, originally designed for relative ranking rather than fixed percentage bands. The calculator maps ECTS A → 4.0, B → 3.0, C → 2.0, D → 1.3, E → 1.0 by default, proportional to the 4.0 scale.
Australian University Grades to GPA
High Distinction (HD) → 4.0, Distinction (D) → 3.0, Credit (CR) → 2.0, Pass (P) → 1.0, Fail (NN) → 0.0. These are the default base values in the AUS scheme. If your university uses slightly different GPA equivalencies for HD or D, the threshold editor lets you set your own.
Why A+ is not Always Worth 4.0
The table above shows A+ = 4.0, which is the most common treatment at US high schools and the default in this calculator. But some US colleges and universities assign an A+ a value of 4.3 or 4.33, letting it sit above a plain A on a scale that effectively goes to 4.33.
This matters if you’re calculating a GPA for a school that uses a 4.3 scale. A semester of straight A+ grades would give 4.0 under the capped system but 4.3 under the extended one.
The calculator’s threshold editor handles this. Click “Edit thresholds,” change the A+ value from 4.0 to 4.3, and every result will update to reflect your school’s actual scale.
FAQ: Letter Grade to GPA Calculator
What GPA is a B+?
On the standard 4.0 scale, B+ = 3.3 GPA. This applies to the US plus/minus system. On a 5.0 scale: 4.125. On a 7.0 scale (Australian): 5.775.
What GPA is a B?
B = 3.0 GPA on a 4.0 scale. B is the most common grade in US undergraduate courses and represents the baseline for “good academic standing” at most institutions.
What GPA is an A–?
A– = 3.7 GPA on a 4.0 scale. An A means you are in the A range but just missed the full 4.0 threshold. For context, 3.7 is typically considered competitive for most graduate programmes.
What GPA is a B–?
B– = 2.7 GPA on a 4.0 scale. B– sits just above the 2.0 minimum for good academic standing at most US universities.
What GPA is a C?
C = 2.0 GPA on a 4.0 scale. A 2.0 GPA is the most common minimum threshold for academic standing, graduation eligibility, and many athletic or scholarship requirements.
What GPA is a D?
D = 1.0 GPA on a 4.0 scale. D is the minimum passing grade at most US institutions, though some graduate programmes treat anything below a C as a failing grade for their purposes.
What is a First Class degree in GPA?
There is no single official conversion. The commonly cited range for a UK First Class Honours degree is approximately 3.7-4.0 GPA. Durham University’s published guide puts it at 3.8–4.0. Oxford considers a 3.8 GPA equivalent to a First. The calculator defaults to 4.0 for First, which you can adjust.
What is a 2:1 degree in GPA?
A UK Upper Second (2:1) is generally approximated as 3.3 to 3.7 GPA. UCL uses 3.3 as its 2:1 minimum. The LSE considers 3.5 equivalent to a 2:1. The calculator uses 3.0 as its default base for 2:1 adjustment through the threshold editor if your target institution specifies a different equivalency.
Does this calculator include credit hours?
No. This calculator produces an unweighted GPA where every course counts equally. Credit hours are not used. If you need a GPA weighted by credit hours, use the GPA calculator instead.
Enter your letter grades above, pick the target scale and scheme, and your unweighted GPA appears immediately. If you received a percentage score rather than a letter grade, convert it first using the percentage to letter grade calculator, then come back here to complete the GPA calculation.