High School GPA Calculator: Weighted & Unweighted
Calculate your high school GPA, weighted and unweighted, across multiple semesters. Add your current GPA and credits to track your cumulative GPA as you go.
Get accurate GPA calculations, understand the difference between weighted and unweighted GPAs, and learn how to improve your academic standing with our complete guide and interactive calculator.
Weighted & unweighted • Multiple semesters • Cumulative tracking • Grade conversion
Interactive GPA Calculator
GPA Type
Choose whether to calculate weighted or unweighted GPA for all courses
Current GPA (Optional)
If you have existing credits and GPA, enter them here to calculate your new cumulative GPA
Enter your current GPA on the same scale as the result you care about.
Semester 1
Unweighted GPA (out of 4.0)
Weighted GPA (out of 5.0)
Mark AP, IB or Honors classes to see your weighted GPA.
Weighted GPA Scale
| Letter grade | Regular | Honors (+0.5) | AP/IB (+1.0) |
|---|---|---|---|
| A+/A | 4.0 | 4.5 | 5.0 |
| A- | 3.7 | 4.2 | 4.7 |
| B+ | 3.3 | 3.8 | 4.3 |
| B | 3.0 | 3.5 | 4.0 |
| B- | 2.7 | 3.2 | 3.7 |
| C+ | 2.3 | 2.8 | 3.3 |
| C | 2.0 | 2.5 | 3.0 |
| C- | 1.7 | 2.2 | 2.7 |
| D+ | 1.3 | 1.8 | 2.3 |
| D | 1.0 | 1.5 | 2.0 |
| F | 0.0 | 0.0 | 0.0 |
Most schools add +0.5 for Honors and +1.0 for AP or IB. This calculator adds +1.0 for both Honors and AP/IB, so check your school's policy.
How to Calculate Weighted GPA
To calculate weighted GPA, give each class its regular grade points and add the bonus for its level (+0.5 for Honors, +1.0 for AP or IB), then multiply by the class's credits. Add up those points and divide by your total credits.
Example
- A in AP Biology: 4.0 + 1.0 = 5.0
- B+ in Honors English: 3.3 + 0.5 = 3.8
- A- in regular Algebra II: 3.7
(5.0 + 3.8 + 3.7) ÷ 3 classes = 4.17 weighted GPA (3.67 unweighted)
Understanding GPA: The Complete Guide
GPA (Grade Point Average) is a numerical representation of your academic performance, calculated by averaging the grade points earned across all your courses.
What is GPA?
- Definition: GPA stands for Grade Point Average, a standardized way to measure academic achievement
- Purpose: Used by colleges, employers, and scholarship committees to evaluate academic performance
- Scale: Typically calculated on a 4.0 scale for unweighted GPA or 5.0 scale for weighted GPA
- Importance: Critical for college admissions, scholarships, honors programs, and graduate school applications
Standard GPA Scale
Grade scales may vary by school. Some schools use different percentage ranges or don't award A+ grades.
Weighted vs Unweighted GPA: What's the Difference?
Understanding the difference between weighted and unweighted GPA is crucial for college applications and academic planning.
| Aspect | Unweighted GPA | Weighted GPA | Why It Matters |
|---|---|---|---|
| Scale | 4.0 scale maximum | 5.0 scale maximum (sometimes higher) | Weighted GPA allows for grades above 4.0 in advanced courses |
| Course Difficulty | All courses treated equally | Advanced courses receive bonus points | AP, IB, and Honors courses get extra credit in weighted calculations |
| College Admissions | Shows raw academic performance | Shows course rigor and challenge level | Colleges consider both but often recalculate using their own methods |
| Class Rank | May disadvantage students taking harder courses | Rewards students for academic challenge | Most schools use weighted GPA for determining class rank |
| Scholarships | Some scholarships use unweighted GPA | Others prefer weighted to see course rigor | Check specific requirements for each scholarship or program |
How Weighted GPA Bonus Points Work
AP (Advanced Placement)
Bonus: +1.0 point
A = 5.0 instead of 4.0
IB (International Baccalaureate)
Bonus: +1.0 point
A = 5.0 instead of 4.0
Honors
Bonus: +0.5 to +1.0 point
A = 4.5-5.0 instead of 4.0
Dual Enrollment/College
Bonus: +0.5 to +1.0 point
A = 4.5-5.0 instead of 4.0
Note: Bonus point systems vary by school district. Some schools cap weighted GPA, others allow unlimited scaling.
Weighted to Unweighted GPA Converter
You can't convert a weighted GPA to an unweighted one from the number alone. You need to know which of your classes were AP, IB or Honors and the grade you earned in each.
Enter your classes in the calculator above and mark each AP, IB or Honors class. You'll see your weighted and unweighted GPA side by side.
Your unweighted GPA drops the AP, IB and Honors bonus points, so an A counts as 4.0 in every class. Your weighted GPA keeps them, so an A in an AP class counts as 5.0.
How to Calculate GPA Step-by-Step
Learning to calculate GPA manually helps you understand how your grades impact your overall academic standing.
Convert Letter Grades to Points
Use the standard 4.0 scale to convert each letter grade to grade points
Example: A = 4.0, B+ = 3.3, C = 2.0, etc.
Multiply by Credit Hours
Multiply each course's grade points by the number of credit hours for that course
Example: Biology (A = 4.0) × 4 credits = 16 grade points
Add All Grade Points
Sum up the total grade points earned across all courses
Example: 16 + 12 + 9 + 8 = 45 total grade points
Add Total Credit Hours
Sum up the total number of credit hours attempted
Example: 4 + 3 + 3 + 2 = 12 total credit hours
Divide Grade Points by Credit Hours
Divide total grade points by total credit hours to get your GPA
Example: 45 grade points ÷ 12 credit hours = 3.75 GPA
Practice Example
| Course | Grade | Credits | Points | Calculation |
|---|---|---|---|---|
| English | A | 4 | 4 | 4.0 × 4 = 16 |
| Math | B+ | 4 | 3.3 | 3.3 × 4 = 13.2 |
| Science | A- | 3 | 3.7 | 3.7 × 3 = 11.1 |
| History | B | 3 | 3 | 3.0 × 3 = 9.0 |
How to Improve Your GPA
Raising your GPA requires strategic planning and consistent effort. Here are proven strategies to boost your academic performance.
Course Selection Strategy
- Take AP, IB, or Honors courses if available for weighted GPA boost
- Balance challenging courses with manageable course loads
- Consider retaking courses where your school allows grade replacement
- Take summer courses to add high-grade credits to your transcript
Study Habits & Time Management
- Create a consistent study schedule and stick to it
- Use active learning techniques like practice tests and study groups
- Start assignments early to avoid last-minute stress
- Break large projects into smaller, manageable tasks
Academic Support Resources
- Attend teacher office hours when you need help
- Form study groups with classmates in challenging courses
- Use tutoring services provided by your school or library
- Take advantage of online resources and educational platforms
Grade Recovery Tactics
- Focus extra effort on courses where you're borderline between grades
- Complete all extra credit opportunities offered by teachers
- Improve attendance to avoid penalties and stay current with material
- Communicate with teachers about your goals and ask for advice
Understanding GPA Impact
Raising C+ (2.3) to B (3.0) in 3-credit course
Impact: +0.18 GPA points (with 60 total credits)
Meaningful improvement, especially for borderline students
Adding 4-credit A course to transcript
Impact: Varies by current GPA and total credits
Most beneficial for students with lower current GPAs
Taking weighted AP course (A = 5.0 vs 4.0)
Impact: +0.07 weighted GPA boost (with 60 total credits)
Compounds over multiple AP courses for significant impact
College GPA Requirements & Expectations
Different colleges and programs have varying GPA expectations. Understanding these benchmarks helps you set realistic goals.
Highly Selective Colleges (Top 20)
GPA Range
3.8 - 4.0 unweighted
4.3 - 4.6+ weighted
Examples
Harvard, Stanford, MIT, Princeton
Additional Notes
Nearly all admits have GPA above 3.8; average is often 3.95+
Selective Colleges (Top 50)
GPA Range
3.5 - 3.9 unweighted
4.0 - 4.4 weighted
Examples
UC Berkeley, Michigan, UVA, Emory
Additional Notes
Middle 50% typically falls in this range
Moderately Selective Colleges
GPA Range
3.0 - 3.7 unweighted
3.5 - 4.2 weighted
Examples
State universities, regional colleges
Additional Notes
Many good options available in this range
Less Selective Colleges
GPA Range
2.5 - 3.5 unweighted
3.0 - 4.0 weighted
Examples
Community colleges, open-admission schools
Additional Notes
Focus on improvement and demonstrating potential
Specialized Program Requirements
Pre-Med Programs
Requirement: 3.7+ GPA
Science GPA equally important
Engineering Schools
Requirement: 3.5+ GPA
Strong math/science grades crucial
Business Schools
Requirement: 3.4+ GPA
Leadership experience also valued
Honors Programs
Requirement: 3.5-3.8+ GPA
Often require separate application
Merit Scholarships
Requirement: 3.5-4.0 GPA
Full rides often require 3.8+
Frequently Asked Questions
To calculate GPA, convert each letter grade to grade points (A=4.0, B=3.0, etc.), multiply by credit hours, add all grade points together, then divide by total credit hours. For example: if you have an A (4.0) in a 3-credit course and a B (3.0) in a 4-credit course, your GPA would be (4.0×3 + 3.0×4) ÷ (3+4) = 24 ÷ 7 = 3.43.
Unweighted GPA uses a 4.0 scale where all courses are treated equally. Weighted GPA gives bonus points for advanced courses (AP, IB, Honors), typically using a 5.0 scale. An A in AP Biology might be worth 5.0 points in weighted GPA but 4.0 in unweighted. Colleges often look at both to understand your academic performance and course rigor.
A 'good' GPA depends on your target colleges. Highly selective schools (Ivy League, top 20) typically want 3.8+ unweighted GPAs. Selective state universities often accept students with 3.5+ GPAs. Many good colleges accept students with 3.0+ GPAs. Focus on improvement trends and taking challenging courses rather than just the number.
To convert weighted to unweighted GPA, recalculate using only the standard 4.0 scale values (A=4.0, B=3.0, etc.) for all courses, ignoring any bonus points from AP, IB, or Honors courses. You'll need your individual course grades and credit hours to do this accurately - you can't simply subtract a fixed amount from your weighted GPA. See the weighted to unweighted GPA converter.
Most colleges report GPAs on a 4.0 scale, but many recalculate applicant GPAs using their own methods. Some colleges use unweighted GPAs, others use weighted, and many consider both. The UC system, for example, calculates their own 'UC GPA' that includes specific bonus points for approved honors courses taken in grades 10-11.
GPA improvement depends on your current GPA and total credits. If you have fewer credits (like a freshman), one excellent semester can significantly boost your GPA. With more credits, improvement is gradual. For example, raising a 3.0 GPA to 3.2 with 60 existing credits would require earning about a 3.8 GPA in 15 new credits.
Colleges primarily look at cumulative GPA, but they also consider grade trends and individual semester performance. An upward trend (improving grades over time) is viewed positively, even if your cumulative GPA isn't as high. They also look at your GPA in core academic subjects and may give less weight to non-academic courses.
Pass/fail (P/F) grades typically don't affect your GPA calculation - they don't add grade points or credit hours to the GPA formula. However, they do count toward graduation requirements. Some colleges limit how many P/F courses you can take, and professional schools may view excessive P/F grades unfavorably when evaluating applications.