Free GPA & Grade Calculators

GPA Calculators Built for U.S. Students Who Need Accurate Numbers

Calculate your semester GPA, cumulative GPA, or final exam target score — using the same credit-weighted formulas your school actually uses.

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Credit-hour weighted results Weighted & unweighted GPA High school & college No sign-up required

Most GPA calculators give you a simple letter-grade average. The problem is, that is not how schools calculate GPA.

Your actual GPA depends on credit hours — a 4-credit biology class carries more weight than a 1-credit elective, even if you earn the same grade in both. Miss that detail and your number is wrong, sometimes by a full tenth of a point.

Every tool on this platform is built around the credit-weighted formula used by U.S. high schools and universities — the same method your registrar uses, not a rough estimate.

Six calculators for every academic situation

Each tool is built for a specific scenario. Pick the one that fits where you are right now.

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High School GPA Calculator
Handles honors, AP, and IB course weighting. Calculates both your weighted (5.0 scale) and unweighted (4.0 scale) GPA — exactly what college applications ask for.
Weighted & unweightedAP / IB / Honors
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College GPA Calculator
Enter credit hours per course and track your semester GPA. Add previous semesters to monitor your cumulative GPA over time. Ideal for Dean's List and probation monitoring.
Credit hoursSemester tracking
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Cumulative GPA Calculator
Combines multiple semesters into one correct cumulative average. Semester GPAs cannot simply be averaged — this tool weights them by credit hours correctly.
Multi-semesterTransfer students
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Grade Calculator
Enter assignment, quiz, and exam scores to find your current grade in one course. Updated in real time as you add entries. Useful mid-semester for drop or keep decisions.
Single courseCurrent grade
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Weighted Grade Calculator
For courses where homework, midterms, and finals each carry a different percentage weight. Averaging raw scores directly gives the wrong number — this tool applies the correct formula.
Category weightsPercentage-based
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Final Grade Calculator
Answers one question: what score do you need on your final exam to reach your target grade? Enter your current grade, your goal, and the final's weight to get the exact number.
Exam targetGoal planning
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The formula schools actually use

GPA is calculated by dividing total grade points earned by total credit hours attempted. The step most people miss is that each grade must be multiplied by the credit hours for that course before totaling.

Standard GPA Formula

GPA = Total Grade Points ÷ Total Credit Hours
CourseGradePointsCreditsWeighted Points
CalculusA4.0416.0
English CompB+3.339.9
HistoryA−3.7311.1
Total10 credits37.0 ÷ 10 = 3.70

If you simply averaged the three point values (4.0 + 3.3 + 3.7 ÷ 3), you would get 3.67 — close, but wrong. The difference compounds across multiple semesters.

Weighted vs. unweighted GPA

Unweighted GPA

Treats every course the same regardless of difficulty. An A in a standard class and an A in AP both convert to 4.0. Maximum value is 4.0.

Regular English  A → 4.0
AP English        A → 4.0

Weighted GPA

Adds extra points for more rigorous courses. AP and IB classes typically add 0.5–1.0 extra grade points, pushing the scale above 4.0.

Regular English  A → 4.0
AP English        A → 5.0

Most high schools report both. Colleges typically recalculate GPA using their own formula during admissions — neither number is automatically "the one that matters."

GPA calculation errors that cost students

1
Averaging letter grades directly
Converting every grade to a number and dividing by course count ignores credit hours entirely. This is the most common error and produces a misleading result that compounds over time.
2
Excluding failed or withdrawn courses
An F typically stays in your GPA calculation even after a retake. Always verify your school's grade forgiveness policy before assuming a retake removes the original grade.
3
Misreading plus/minus grades
A B+ is 3.3, not 3.5. A B− is 2.7, not 2.5. These differences add up across a full semester. Our calculators use the correct point values for all plus/minus grades.
4
Assuming retakes always replace old grades
Some schools average both attempts. Others only replace after a formal petition. Check your school's policy — never assume a retake automatically fixes your GPA.
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Built for accuracy, not estimates

This platform was built after going through the frustration of getting important numbers wrong — checking scholarship eligibility, submitting transfer applications, and realizing mid-semester that rough mental calculations had been off for weeks.

Every calculator here follows the formulas used in U.S. academic grading policy. The results you get here are the results your school's system would produce. If you find a discrepancy, use the contact page to report it — we take accuracy seriously.

Common questions

QDoes retaking a course remove the original grade from my GPA?
This depends entirely on your school's grade forgiveness or grade replacement policy. Many universities do not automatically replace the original grade — you may need to submit a formal petition. Contact your registrar to confirm before assuming retakes fix your GPA.
QWhy does my calculated GPA not match my school's transcript?
The most likely reason is plus/minus grading. Some schools use a strict 4.0 scale with no plus/minus distinctions. Others use the full scale from A+ (4.3) to D− (0.7). Enter the grade point values your specific school assigns rather than generic defaults.
QWhat is considered a good GPA?
Context matters more than the number. A 3.5 in a competitive STEM major carries different weight than a 3.5 in a lighter program. For scholarships, 3.0 is a common minimum. For graduate school in competitive fields, 3.5 or above is typically expected. Most employers either do not ask or use 3.0 as a soft cutoff.
QHow do pass/fail courses affect GPA?
Pass/fail grades typically do not affect GPA — neither a pass nor a fail adds grade points to the calculation. However, a failing grade in a course originally registered for a letter grade does count. Policies vary, so verify with your registrar.
QCan I use these calculators for Canadian or international grades?
The main calculators are designed around the U.S. 4.0 credit-hour system. For Canadian institutions using a 4.33 scale, results will be approximate. For UK percentage-based systems, we recommend consulting your institution's official equivalency tables alongside these tools.
QIs this tool free to use?
Yes, all calculators on this platform are completely free. No account, no subscription, and no sign-up required.

Know your number before it matters

Whether you are preparing for college applications, protecting a scholarship, or planning your semester — accurate GPA information gives you options.

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Results from these calculators are for planning and reference purposes only. Always verify your official GPA with your institution's registrar. Grade point values and credit hour policies vary by school.