How is GPA calculated on a 4.0 scale?

Convert each final course grade to points (A = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, and so on), multiply each by the course's credit hours, sum all points, then divide by total credits. Example: A (4.0) in a 3-credit course and B+ (3.3) in a 4-credit course = (4.0×3 + 3.3×4) ÷ 7 = 3.60 GPA. Weighted courses (AP/Honors/IB) typically add 0.5-1.0 to the unweighted value.

What is a good GPA in high school and college?

Context matters: 3.5+ unweighted is competitive for most US state flagships; 3.8+ with rigorous coursework opens top-50 universities; 3.0 is the common graduate-school and scholarship threshold. Colleges recalculate GPA anyway — upward grade trends and course rigor often outweigh a tenth of a point.

What is the difference between weighted and unweighted GPA?

Unweighted GPA uses the plain 4.0 scale regardless of course difficulty. Weighted GPA adds bonus points (typically +0.5 for Honors, +1.0 for AP/IB) so an A in an AP course can count as 5.0 — rewarding rigor. This calculator supports both: toggle a course's weight and the totals update live.

How can I raise my GPA fastest?

Mathematically, target courses where two levers combine: high remaining credit weight and grades near a letter boundary (e.g., a 78% B+ that needs 2% to become an A-). Fixing two boundary courses often moves GPA more than heroics in an already-strong heavy course. PlanBot's AI planner weights your study blocks exactly this way — by credit × weakness — and regenerates daily.

GPA Calculator – Semester & Cumulative (4.0 Scale)

How GPA Is Calculated (With a Worked Example)

GPA is a credit-weighted average of grade points. The three-step math:

Convert each final grade to points (A = 4.0, B+ = 3.3, C = 2.0…)
Multiply points × credit hours = quality points per course
Divide total quality points by total credit hours

Example: A in a 3-credit course (12.0 pts), B+ in a 4-credit course (13.2 pts), B in a 3-credit course (9.0 pts) → 34.2 ÷ 10 = 3.42 GPA. Notice the 4-credit course moved the needle more — credits are leverage, which is exactly why GPA strategy is about where you spend study hours.

Weighted vs Unweighted GPA

Unweighted GPA caps at 4.0 regardless of course difficulty. Weighted GPA rewards rigor: an A in an AP course counts as 5.0 (or 4.5 for Honors in many districts). Colleges typically look at both — the weighted number signals course rigor, the unweighted number shows raw performance. This calculator reports both, plus your cumulative GPA when prior coursework is entered.

GPA Calculator – Semester & Cumulative

📚 Your Courses

Prior Coursework (Cumulative GPA)

Semester GPA (unweighted)

Letter-Point Quick Reference

The fastest GPA moves happen before grades are final.

How GPA Is Calculated (With a Worked Example)

Weighted vs Unweighted GPA

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