GPA Calculator

Our free GPA calculator helps you calculate your grade point average step by step. Enter your courses, credits, and grades to get your semester or cumulative GPA. Supports both weighted (honors/AP) and unweighted calculations for high school and college students.

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GPA Calculator calculator

GPA Calculator
Your Courses
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Semester GPA
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Credits
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Letter
tune Cumulative GPA Options

tips_and_updates Tips

  • A = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, B- = 2.7, C+ = 2.3, C = 2.0
  • Weighted GPA adds 0.5-1.0 points for honors/AP courses
  • Most colleges look at unweighted GPA on a 4.0 scale
  • Credit hours affect GPA more than number of courses
  • Retaking a course may replace the old grade (check your school's policy)
  • A 3.0 GPA is typically required for many scholarships

How to Use the GPA Calculator

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Add Your Courses

Enter each course name, credit hours, and grade received.

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Choose GPA Type

Select weighted (for AP/Honors) or unweighted (standard 4.0).

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View Your GPA

See your semester GPA, cumulative GPA, and grade breakdown.

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Set Goals

Enter a target GPA to see what grades you need.

The Formula

GPA is calculated by multiplying each course's grade points by its credit hours, summing all values, then dividing by total credits. Weighted GPA adds extra points for honors/AP courses.

GPA = Σ(Grade Points × Credits) / Σ(Credits)

lightbulb Variables Explained

  • GPA Grade Point Average (0.0 - 4.0 scale)
  • Grade Points Numeric value for each letter grade (A=4.0, B=3.0, etc.)
  • Credits Credit hours for each course

tips_and_updates Pro Tips

1

A = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, B- = 2.7, C+ = 2.3, C = 2.0

2

Weighted GPA adds 0.5-1.0 points for honors/AP courses

3

Most colleges look at unweighted GPA on a 4.0 scale

4

Credit hours affect GPA more than number of courses

5

Retaking a course may replace the old grade (check your school's policy)

6

A 3.0 GPA is typically required for many scholarships

Calculate your GPA instantly with our free GPA calculator. Works for high school and college students with support for weighted and unweighted GPA, cumulative calculations, and multiple grading scales. See exactly what grades you need to reach your goals.

How to Calculate GPA

GPA (Grade Point Average) is calculated by dividing total grade points by total credit hours.

Each letter grade has a point value:

  • A=4.0
  • B=3.0
  • C=2.0
  • D=1.0
  • F=0.0

Multiply each grade's points by the course credits, sum them up, then divide by total credits.

Weighted vs Unweighted GPA Calculator

Unweighted GPA uses the standard 4.0 scale for all courses.

Weighted GPA adds extra points (typically 0.5-1.0) for honors, AP, or IB courses, allowing GPAs above 4.0.

Most colleges recalculate to unweighted for fair comparison between schools.

College GPA Calculator

Calculate your college GPA using credit hours and letter grades.

Track your semester GPA and cumulative GPA across all terms.

Most colleges require a 2.0 minimum for good standing and 3.0+ for dean's list or honors.

High School GPA Calculator

Calculate your high school GPA for college applications.

Understand how weighted courses affect your GPA and class rank.

Competitive colleges typically look for 3.5-4.0 unweighted GPA alongside test scores and extracurriculars.

GPA Conversion & Grade Scale

Convert between letter grades, percentages, and GPA points.

Standard conversion:

  • A (90-100%) = 4.0
  • B (80-89%) = 3.0
  • C (70-79%) = 2.0
  • D (60-69%) = 1.0
  • F (below 60%) = 0.0

Plus/minus grades add or subtract 0.3 points.

What Is GPA and How Does the Grade Point Average System Work?

GPA (Grade Point Average) is a single number that summarizes your academic performance by averaging the grade points you earned across all courses, weighted by credit hours.

In the standard U.S. system, each letter grade maps to a point value on a 0.0-4.0 scale, and the GPA is the credit-weighted average of those values — the same idea behind how to calculate the average, but with credit hours acting as weights.

The College Board notes that most U.S. high schools and universities report GPA on this 4.0 scale, though weighted systems can push it higher for advanced coursework.

Because credits act as weights, a course carrying more credit hours influences your GPA more than a lighter course with the same letter grade.

How to Calculate Cumulative GPA Across Multiple Semesters

To calculate cumulative GPA, add together all grade points earned across every semester, then divide by the total credit hours attempted across your whole academic record.

Do not average the individual semester GPAs, since semesters with different credit loads carry different weight. For example, combine your prior total grade points and credits with the current term's, then divide once.

This calculator lets you enter your existing cumulative GPA and completed credits so it can fold new courses into an accurate running total.

The U.S. Department of Education and most registrar offices treat cumulative GPA as the primary figure for academic standing, honors, and financial aid eligibility.

How to Convert Percentage or Letter Grades to GPA Points

To convert grades to GPA points, map each letter grade or percentage to its 4.0-scale value, then average by credit hours.

A common conversion is:

  • 90-100% = A = 4.0
  • 80-89% = B = 3.0
  • 70-79% = C = 2.0
  • 60-69% = D = 1.0
  • below 60% = F = 0.0

with plus and minus grades adjusting by roughly 0.3 points.

Conversion tables vary by institution, so always check your school's official scale before relying on a chart.

International systems differ widely, and organizations such as WES publish country-specific credential-evaluation guidelines.

This calculator supports letter, percentage, and direct grade-point entry so you can match your own transcript.

How to Use a GPA Calculator to Reach Your Target GPA

A GPA calculator helps you plan by working backward from a goal: enter your current GPA, completed credits, and a target GPA, and it estimates the grades you need in upcoming courses — the same target letter grades a grade calculator can confirm once you know each course's assignment and exam weights.

This is useful for meeting scholarship thresholds, maintaining good academic standing, or qualifying for honors.

Because credits are weights, focusing effort on higher-credit courses moves your GPA fastest. Students often use this to decide whether a target is realistic given remaining credits.

Guidance from the College Board and university academic-advising offices emphasizes that GPA is one factor among test scores, coursework rigor, and activities, so use projections to prioritize rather than to guarantee outcomes.

Practical Uses: Scholarships, Admissions, and Academic Standing

GPA is used across many high-stakes decisions, so an accurate calculation matters.

Many scholarships and honor societies set minimum GPA thresholds, often around 3.0 or higher, and financial aid programs may require satisfactory academic progress measured partly by cumulative GPA.

For college admission, the College Board reports that admissions officers weigh GPA alongside course rigor, standardized tests, essays, and extracurriculars rather than in isolation.

Graduate programs, internships, and some employers also request GPA.

Tracking it each term with a calculator lets you catch a slipping average early, plan retakes where grade-replacement policies allow, and confirm you meet the specific thresholds set by each program you apply to.

Common Mistakes When Calculating Your GPA

The most frequent GPA mistake is averaging semester GPAs directly instead of re-weighting by credit hours, which distorts the result when credit loads differ.

  • Another common error is ignoring credits entirely and averaging only the grade points, treating a 1-credit elective the same as a 4-credit core course.
  • Students also mix weighted and unweighted scales, apply the wrong plus/minus values, or assume every school gives A+ a value above 4.0 when many cap it at 4.0.
  • Forgetting failed courses, withdrawals, or pass/fail classes that your institution excludes can also skew totals.

Always confirm your school's official grading policy, since these rules are set locally and not universally standardized.

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