Math

GPA Calculator

Compute a credit-weighted grade point average from your courses. Enter grade points paired with credits (or use the GPA tool UI) to get GPA on the selected scale.

Calculate

Updates as you type

Result

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The formula

Multiply each course’s grade points by its credit hours, sum those products, then divide by total credits. That is the standard credit-weighted GPA.

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

Worked example

  1. Courses: 4.0×3 credits, 3.7×4 credits, 3.0×3 credits
  2. Quality points = 12 + 14.8 + 9 = 35.8
  3. Total credits = 10 · GPA = 35.8 ÷ 10 = 3.58

Result: GPA 3.58 on a 4.0 scale

How GPA is calculated

GPA is a weighted mean of grade points, where weights are credit (or unit) hours. A 4-credit A moves the average more than a 1-credit A.

Credit weighting

Each row contributes points × credits to the numerator and credits to the denominator. Courses with zero credits are ignored. At least one positive-credit course is required.

Scales and letters

The engine supports numeric points and common letter maps on 4.0 / 4.0-plus / 5.0 / 10 / 100-style scales (via the GPA tool UI). Letter conversion follows typical U.S. mappings (A = 4.0, A− = 3.7, etc.) — your school’s catalog may differ slightly.

Weighted vs unweighted

This tool does not add extra points for AP/honors unless you enter already-weighted point values. If your school uses a 5.0 weighted scale, select that scale and enter points accordingly.

What we do not model

Repeat/fail policies, grade forgiveness, pass/fail exclusions, and transfer articulation are registrar rules — not encoded here. Always trust the official transcript.

Interesting facts

4.0 scale

The U.S. 4.0 GPA scale is widely used, but many countries report percentages, 10-point scales, or classification bands instead.

Weighted vs unweighted

Weighted GPAs give extra points for honors or AP courses. Unweighted GPAs treat every A the same — compare apples to apples.

Credit hours matter

GPA is credit-weighted: a 4-credit A moves the average more than a 1-credit A.

Transcript policies differ

Some schools drop failed repeats; others average all attempts. Always check the registrar’s rules.

Holistic admissions

Selective universities weigh GPA alongside rigor, essays, and recommendations — GPA is necessary but rarely sufficient alone.

Frequently asked questions

For each course, multiply grade points by credit hours. Add those products, then divide by total credit hours. The calculator does this for all courses you enter.

Weighted GPA gives extra points for honors/AP courses. Enter the point values your school assigns; this tool does not invent weighting on its own.

Legacy pairs: points,credits,points,credits… (for example 4,3,3.7,4). The interactive GPA UI may also accept letter|credits rows depending on the page controls.

Yes when the scale control is available — pick the scale that matches how your grades are stored, then enter points on that scale.

It matches the arithmetic of credit-weighted GPA. Official GPAs can differ because of school-specific rounding, exclusions, or repeat rules.

References

  1. College Scorecard — U.S. Department of Education Federal data on U.S. colleges; admissions context beyond GPA alone.
  2. Federal Student Aid — U.S. Department of Education Aid eligibility and student resources (GPA may matter for some programs).
  3. Understanding academic records — National Center for Education Statistics (NCES) U.S. education statistics agency — context for grading and attainment data.