GPA Calculator
Estimate GPA from entered credits and letter grades using a simple 4.0 scale.
Inputs
Result
Enter values on the left and select Calculate to see the result here.
What the GPA Calculator does
- Estimates a credit-weighted GPA based on the course credits and letter grades you enter.
- Uses the calculator's built-in simple 4.0 letter-grade point scale and totals the credits included in your inputs.
- Works as a general academic planning tool for rough checks, not as an official transcript, registrar, school, college, or university GPA calculation.
How to use the GPA Calculator
- Choose the number of courses you want to include, up to the fields shown by the calculator.
- Enter the credit value or weight for each course and select the matching letter grade from the available 4.0-scale options.
- Click Calculate and treat the result as an estimate based on your inputs; verify official GPA rules with your school or institution.
Formula / methodology used
- The implemented grade-point scale is A=4.0, A-=3.7, B+=3.3, B=3.0, B-=2.7, C+=2.3, C=2.0, C-=1.7, D=1.0, and F=0.0.
- For each course, quality points = course credits × selected grade points.
- Estimated GPA = total quality points ÷ total entered credits, rounded to 2 decimal places; total credits are rounded to 1 decimal place.
- If no credits are entered, the calculator returns 0 rather than an official academic status.
Example calculation
Three courses: 3 credits with A, 4 credits with B+, and 2 credits with C.
- Course quality points = 3×4.0 = 12.0, 4×3.3 = 13.2, and 2×2.0 = 4.0
- Total quality points = 12.0 + 13.2 + 4.0 = 29.2
- Total credits = 3 + 4 + 2 = 9
- Estimated GPA = 29.2 ÷ 9 = 3.244..., rounded to 3.24
Result: The calculator would show an estimated GPA of 3.24 and total credits of 9.0.
Common mistakes and limitations
- The result depends entirely on the credits and letter grades you enter.
- It uses the built-in simple 4.0 scale only and does not model every school, college, university, country, grading scale, weighting method, pass/fail rule, repeated-course policy, honours/AP weighting, or institutional policy.
- Rounding to 2 decimal places can differ from official transcript rounding.
Important note
This GPA calculator is a general academic planning tool that estimates GPA based on your inputs. It is not an official transcript calculation. Verify official GPA, academic standing, progression, scholarships, or admissions requirements with your school or institution.
GPA Calculator FAQs
Is this the same as my official GPA?
No. It is an estimate based on your inputs and the calculator's simple 4.0 scale. Official GPA calculations can depend on your institution's grading scale, transcript rules, repeated-course policy, pass/fail treatment, honours/AP weighting, and other rules.
Can I use weighted, honours, or AP grades?
Only if you can represent your institution's weighting using the available letter-grade options and credit values. The calculator does not add separate honours, AP, plus/minus policies beyond the listed point scale, or school-specific weighting rules.
Why does my school show a different GPA?
Schools, colleges, universities, and countries may use different grade points, rounding, credit weighting, repeated-course handling, exclusions, pass/fail rules, and transcript policies. Check your official academic record for the final value.