GPA Calculators (US System) – 39+ Free Tools for High School, College & Graduate Students

GPA Calculators (US System) - Complete Collection

Welcome to the most comprehensive collection of GPA calculators for the US education system. Whether you're a high school student planning for college, an undergraduate tracking your academic progress, or a graduate student pursuing advanced degrees, our specialized calculators provide accurate GPA calculations tailored to your specific needs.

Basic GPA Calculators

Start with these fundamental calculators designed for standard GPA calculations on the 4.0 scale used throughout the United States.

4.0 Scale GPA Calculator

Standard GPA calculator using the traditional 4.0 scale where A=4.0, B=3.0, C=2.0, D=1.0.

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High School GPA Calculator

Calculate your high school GPA with options for weighted and unweighted calculations.

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College GPA Calculator

Comprehensive calculator for college-level GPA with credit hour weighting.

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GPA Calculators by Academic Level

Specialized calculators tailored to different educational levels and professional programs, each with specific calculation methods suited to their academic requirements.

Undergraduate GPA Calculator

Calculate your undergraduate GPA across all years of bachelor's degree programs.

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Graduate School GPA Calculator

Track your graduate-level GPA for master's and doctoral programs (typically requires 3.0+ minimum).

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Law School GPA Calculator

Calculate your law school GPA with consideration for competitive admission standards.

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Medical School GPA Calculator

Specialized calculator for pre-med and medical school GPA tracking (typically 3.5+ required).

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MBA GPA Calculator

Calculate your MBA program GPA with business school-specific requirements.

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Engineering GPA Calculator

Track your engineering program GPA with rigorous technical coursework weighting.

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GPA Calculators by Time Period

Calculate your GPA for specific academic terms, allowing you to track performance across different time periods in your academic career.

Semester GPA Calculator

Calculate GPA for a single semester period (most common academic term structure).

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Quarter GPA Calculator

Calculate GPA for quarter-system schools (10-week academic periods).

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Trimester GPA Calculator

Calculate GPA for trimester-based academic calendars (three terms per year).

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Cumulative GPA Calculator

Calculate your overall GPA across all terms and academic years combined.

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Weighted vs Unweighted GPA Calculators

Understanding the difference between weighted and unweighted GPAs is crucial for college applications, as weighted GPAs account for course difficulty while unweighted GPAs treat all courses equally.

Key Difference: Unweighted GPA uses a 4.0 scale for all courses, while weighted GPA uses a 5.0 scale that gives bonus points for AP, IB, and Honors classes.

Weighted GPA Calculator

Calculate GPA with extra points for AP, IB, and Honors courses (up to 5.0 scale).

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Unweighted GPA Calculator

Standard 4.0 scale GPA treating all courses equally regardless of difficulty.

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5.0 GPA Calculator (Weighted)

Calculate weighted GPA on the expanded 5.0 scale for advanced coursework.

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Credit & Hours Based Calculators

These calculators factor in credit hours, earned hours, and attempted hours to provide accurate GPA calculations based on course weights.

Credit Hour GPA Calculator

Calculate GPA weighted by credit hours for each course.

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College Credit GPA Calculator

Track GPA based on college credit hours and grades earned.

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Unit-Based GPA Calculator

Calculate GPA using course units or credits as weighting factors.

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Course Credit GPA Calculator

Comprehensive calculator for credit-weighted GPA calculations.

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Earned Hours GPA Calculator

Calculate GPA based only on successfully completed credit hours.

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Attempted Hours GPA Calculator

Calculate GPA including all attempted courses, even failed or withdrawn classes.

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Advanced Course GPA Calculators

Specialized calculators for students taking advanced placement, international baccalaureate, and honors courses that may receive additional GPA weighting.

AP GPA Calculator

Calculate weighted GPA with AP course bonuses (typically +0.5 to +1.0 points).

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IB GPA Calculator

Calculate GPA with IB course weighting for diploma and certificate students.

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Honors GPA Calculator

Calculate weighted GPA for honors-level coursework with appropriate bonuses.

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GPA Planning & Prediction Tools

Strategic calculators to help you plan future academic performance, set goals, and predict outcomes based on current standing.

Target GPA Calculator

Determine what grades you need to achieve your target GPA goal.

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Required GPA Calculator

Calculate the minimum grades needed to meet specific GPA requirements.

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What-If GPA Calculator

Explore hypothetical scenarios to see how future grades affect your GPA.

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GPA Predictor Calculator

Predict future GPA based on current performance and planned coursework.

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GPA Booster Calculator

Calculate strategies to improve and boost your current GPA effectively.

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Special Purpose GPA Calculators

Calculators designed for specific academic situations and unique circumstances in your educational journey.

Current GPA Calculator

Calculate your current GPA based on completed coursework to date.

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Final GPA Calculator

Calculate projected final GPA including all remaining coursework.

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Dual Enrollment GPA Calculator

Calculate GPA for students taking both high school and college courses simultaneously.

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Transfer GPA Calculator

Calculate transfer GPA when moving between institutions or combining transcripts.

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GPA Conversion Tools

Convert between different grading systems, international standards, and percentage-based grades to the US 4.0 GPA scale.

Percentage to GPA Calculator

Convert percentage grades to 4.0 GPA scale accurately.

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Grade Points Calculator

Calculate grade points and convert between different grading systems.

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International GPA Calculator

Convert international grading systems to US 4.0 GPA scale.

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Foreign GPA Calculator

Convert foreign academic credentials to equivalent US GPA.

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Understanding the US GPA System

The United States uses a standardized 4.0 scale for Grade Point Average (GPA) calculations, which serves as the primary metric for measuring academic performance across high schools, colleges, and universities.

Standard 4.0 Scale Grade Conversion

Letter GradePercentage RangeGPA Points (4.0 Scale)Quality Descriptor
A+97-100%4.0Excellent
A93-96%4.0Excellent
A-90-92%3.7Very Good
B+87-89%3.3Good
B83-86%3.0Good
B-80-82%2.7Above Average
C+77-79%2.3Average
C73-76%2.0Average
C-70-72%1.7Below Average
D+67-69%1.3Poor
D65-66%1.0Poor
FBelow 65%0.0Failing

Weighted vs Unweighted Comparison

FeatureUnweighted GPAWeighted GPA
Scale0.0 - 4.00.0 - 5.0 (or higher)
Course DifficultyNot consideredConsidered (+0.5 to +1.0)
Regular Course A4.0 points4.0 points
Honors Course A4.0 points4.5 points
AP/IB Course A4.0 points5.0 points
Best ForFair comparison across studentsRecognizing academic rigor

GPA Requirements by Institution Type

Institution TypeMinimum GPACompetitive GPATop-Tier GPA
Community Colleges2.02.5-3.03.5+
Public Universities2.0-2.53.0-3.53.7+
Private Universities2.5-3.03.3-3.73.8+
Top 20 Colleges3.53.7-3.94.0
Graduate Programs3.03.3-3.53.7+
Medical School3.03.5-3.73.8+
Law School3.03.5-3.73.8+
MBA Programs2.5-3.03.3-3.53.7+

GPA Calculation Methodology

Standard GPA Calculation Formula

The Grade Point Average is calculated using a weighted average based on credit hours. The fundamental formula applies universally across the US education system.

Basic GPA Formula:

GPA = Σ(Grade Points × Credit Hours) / Σ(Credit Hours)

Step-by-Step Calculation Process

Step 1: Convert Letter Grades to Points

Transform each letter grade to its numerical equivalent on the 4.0 scale (e.g., A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0).

Step 2: Multiply by Credit Hours

For each course, multiply the grade points by the number of credit hours. This calculation is expressed as: \( \text{Quality Points} = \text{Grade Points} \times \text{Credit Hours} \)

Step 3: Sum All Quality Points

Add together all quality points from all courses: \( \sum_{i=1}^{n} (\text{Grade Points}_i \times \text{Credit Hours}_i) \)

Step 4: Sum All Credit Hours

Add together the credit hours for all courses: \( \sum_{i=1}^{n} \text{Credit Hours}_i \)

Step 5: Divide to Calculate GPA

Divide total quality points by total credit hours to obtain your GPA.

Mathematical Expression:

\( \text{GPA} = \frac{\sum_{i=1}^{n} (G_i \times C_i)}{\sum_{i=1}^{n} C_i} \)

Where \( G_i \) = Grade points for course i, and \( C_i \) = Credit hours for course i

Weighted GPA Calculation

Weighted GPA adds bonus points for advanced courses, recognizing the increased academic rigor of AP, IB, and Honors classes.

Weighted GPA Formula:

Weighted GPA = Σ((Grade Points + Bonus) × Credit Hours) / Σ(Credit Hours)

Bonus = +0.5 for Honors, +1.0 for AP/IB

Example Weighted Calculation

Sample Transcript:

  • AP Calculus (4 credits): A (4.0 + 1.0 = 5.0) → 5.0 × 4 = 20.0 points
  • Honors English (3 credits): B (3.0 + 0.5 = 3.5) → 3.5 × 3 = 10.5 points
  • Regular History (3 credits): A (4.0) → 4.0 × 3 = 12.0 points
  • Regular Science (4 credits): B (3.0) → 3.0 × 4 = 12.0 points

Calculation: (20.0 + 10.5 + 12.0 + 12.0) / (4 + 3 + 3 + 4) = 54.5 / 14 = 3.89 weighted GPA

Cumulative GPA Calculation

Cumulative GPA combines all academic terms into a single overall GPA, accounting for all courses taken throughout your academic career.

Cumulative GPA Formula:

Cumulative GPA = (Previous Total Quality Points + New Quality Points) / (Previous Total Credits + New Credits)

Alternative Expression:

\( \text{Cumulative GPA} = \frac{(\text{Previous GPA} \times \text{Previous Credits}) + (\text{New GPA} \times \text{New Credits})}{\text{Previous Credits} + \text{New Credits}} \)

Frequently Asked Questions

What is the US GPA system?
The US GPA system uses a 4.0 scale where A=4.0, B=3.0, C=2.0, D=1.0, and F=0.0. This standard scale is used by most high schools and colleges throughout the United States to measure academic performance consistently.
What is the difference between weighted and unweighted GPA?
Unweighted GPA uses a standard 4.0 scale and treats all classes equally regardless of difficulty. Weighted GPA uses a 5.0 scale (or higher) and gives extra points for advanced courses like AP, IB, and Honors classes to reflect the increased academic rigor, typically adding 0.5 points for Honors and 1.0 points for AP/IB courses.
How is GPA calculated?
GPA is calculated by multiplying grade points by credit hours for each course, adding all results together, then dividing by total credit hours. The formula is: GPA = Σ(Grade Points × Credit Hours) / Σ(Credit Hours). For example, an A (4.0) in a 3-credit course contributes 12.0 quality points.
What GPA do I need for college admission?
Minimum GPA requirements vary significantly by institution. Most four-year colleges require at least a 2.0 GPA, competitive schools typically need 3.0-3.5, and top 20 colleges usually expect 3.7-4.0. Public universities often have explicit minimum requirements ranging from 2.0-3.2, while selective private institutions generally expect 3.5 or higher.
What is cumulative GPA?
Cumulative GPA is your overall GPA calculated across all terms and academic years combined. It includes all courses you've taken throughout your academic career, weighted by credit hours. Unlike semester or quarter GPA which covers only one term, cumulative GPA represents your complete academic performance to date.
Can I calculate GPA for specific time periods?
Yes, you can calculate semester GPA for 15-week terms, quarter GPA for 10-week periods, or trimester GPA for three-term academic years. These period-specific calculations use only courses from that particular timeframe and help track your academic progress across different terms without the cumulative effect of past performance.
How do AP and IB courses affect GPA?
AP (Advanced Placement) and IB (International Baccalaureate) courses typically add 0.5-1.0 points to your GPA on a weighted scale. Most schools award an extra 1.0 point, meaning an A in an AP course counts as 5.0 instead of 4.0. This bonus recognizes the increased rigor and college-level content of these courses, allowing weighted GPAs to exceed 4.0.
What is the difference between earned hours and attempted hours?
Earned hours are credit hours successfully completed with passing grades (typically D or better), which count toward degree requirements and graduation. Attempted hours include all courses you enrolled in, including failed courses, withdrawals, and incomplete grades. The distinction matters for financial aid eligibility, academic standing, and transfer credit evaluation.
How can I predict my future GPA?
Use a GPA predictor calculator by entering your current cumulative GPA, completed credit hours, and expected grades for future courses. The calculator applies the standard GPA formula to project your future cumulative GPA: (Current GPA × Current Credits + Future GPA × Future Credits) / Total Credits. This helps with academic planning and setting realistic goals.
What GPA do graduate schools require?
Most graduate programs require a minimum undergraduate GPA of 3.0 for admission consideration. Professional schools have higher standards: medical schools typically expect 3.5-3.8, law schools seek 3.5-3.7, and competitive MBA programs prefer 3.3-3.5. Top-tier graduate programs at prestigious universities generally require 3.7 or higher for strong candidacy.
How do plus and minus grades affect GPA?
Plus and minus modifiers adjust GPA by one-third of a point (approximately 0.33). A plus adds 0.33 points (B+ = 3.3, C+ = 2.3), while a minus subtracts 0.33 points (A- = 3.7, B- = 2.7). The exception is A+, which typically equals 4.0 like a regular A, though some institutions award 4.3. Not all schools use plus/minus grading systems.
Can I convert percentage grades to GPA?
Yes, percentage grades can be converted to the 4.0 GPA scale using standard conversion tables. Generally, 93-100% = 4.0 (A), 90-92% = 3.7 (A-), 87-89% = 3.3 (B+), 83-86% = 3.0 (B), and so on. However, conversion scales vary by institution, and some schools use different percentage ranges for letter grades, so always check your specific school's policy.
What is good academic standing?
Good academic standing generally requires maintaining at least a 2.0 GPA (C average) for undergraduate programs. Students below this threshold may face academic probation, lose financial aid eligibility, or face dismissal. Graduate programs typically require 3.0 minimum for good standing. Some competitive programs and scholarships require higher GPAs, often 3.0-3.5 for undergraduates.
How do transfer credits affect GPA?
Transfer credit policies vary by institution. Most colleges accept transfer credits for courses with grades of C or better, but many don't include transfer grades in GPA calculations—only the credits transfer. This means your GPA at the new institution starts fresh, though some schools calculate a combined GPA. Professional school applications typically require you to calculate a combined GPA from all institutions attended.
What is dual enrollment GPA?
Dual enrollment GPA combines grades from both high school and college courses taken simultaneously during high school. These college credits are typically weighted like AP courses on your high school transcript (often 5.0 for an A) and can significantly boost your weighted GPA. The college grades also become part of your permanent college transcript and may affect future graduate school applications.