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GPA Calculator

Calculate semester GPA using the 4.0 scale weighted by credits.

Best for: Use it to track standing toward honors or scholarship thresholds, project the grade you need this term to hit a target, or convert between weighted and unweighted scales.

Complete guide
Why this result happened View assumptions

Input

How it's calculated & sources
The GPA Calculator uses the standard method for this calculation. It runs entirely in your browser, so your inputs are never uploaded. Last reviewed June 2026.
Key assumptions
  • Grade-point scale as selected (e.g. 4.0)

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

How it works

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

A = 4, B = 3, C = 2, D = 1, F = 0. Weighted by credit hours.

Example

A student with A (3cr), B (4cr), A (3cr) has GPA = (4×3 + 3×4 + 4×3) / 10 = 3.6.

Frequently asked questions

What scale does this use?+

Standard 4.0 scale. A = 4, B = 3, C = 2, D = 1, F = 0.

Can I use +/- grades?+

For simplicity this uses whole letters. A- would be ~3.7 and B+ ~3.3 on most scales.

Continue your journey

Where people usually head next.

📊
CGPA Calculator
Cumulative GPA across all semesters weighted by credits.
📋
SGPA Calculator
Semester Grade Point Average for a single term.
✅
Grade Calculator
Convert marks to letter grades with percentage breakdowns.
％
Marks Percentage Calculator
Find percentage from obtained and total marks.

Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is GPA?
A GPA calculator converts your course grades and credit hours into a single Grade Point Average on a standard scale (commonly 4.0), weighting each course by its credits.
Why does GPA matter?
Your GPA is the credit-weighted average of your grades. A high-credit course affects it more than a one-credit elective, which is why dropping or acing a major course shifts the number most.
How is GPA calculated?
Each letter grade maps to grade points (e.g. A = 4.0, B = 3.0). Multiply each course's grade points by its credit hours, sum those, and divide by total credit hours — so heavier courses count more. Formula: GPA = Σ(grade points × credit hours) ÷ Σ(credit hours).
What is a good gpa?
Typical thresholds: 3.5+ often qualifies for honors/dean's list; many programs require a 2.0 minimum to remain in good standing — exact cutoffs vary by institution.
What are common gpa mistakes?
Averaging grades without weighting by credit hours — a common error that misstates the GPA.
When should you use the GPA Calculator?
Use it to track standing toward honors or scholarship thresholds, project the grade you need this term to hit a target, or convert between weighted and unweighted scales.

What is the GPA Calculator?

A GPA calculator converts your course grades and credit hours into a single Grade Point Average on a standard scale (commonly 4.0), weighting each course by its credits.

How the GPA Calculator works

Each letter grade maps to grade points (e.g. A = 4.0, B = 3.0). Multiply each course's grade points by its credit hours, sum those, and divide by total credit hours — so heavier courses count more.

GPA = Σ(grade points × credit hours) ÷ Σ(credit hours)

What impacts results most

  1. 1.
    Grades (High impact)Grade points drive the average.
  2. 2.
    Credit hours (High impact)Weight each course in the average.

Key assumptions

  • Grade-point scale as selected (e.g. 4.0)

What's a typical value?

Typical thresholds: 3.5+ often qualifies for honors/dean's list; many programs require a 2.0 minimum to remain in good standing — exact cutoffs vary by institution.

Common US 4.0 GPA scale (letter → grade points)

A4.093–100
A−3.790–92
B+3.387–89
B3.083–86
B−2.780–82
C+2.377–79
C2.073–76
D1.060–69
F0.0Below 60

Worked example

Three courses: A (4.0)×3 credits, B (3.0)×4 credits, A (4.0)×3 credits: Points = 12 + 12 + 12 = 36 over 10 credits GPA = 36 ÷ 10 = 3.6

Common mistakes to avoid

  • Averaging grades without weighting by credit hours — a common error that misstates the GPA.
  • Mixing scales (4.0 vs 10.0 vs percentage) without converting first.
  • Confusing weighted GPA (which adds points for honors/AP) with unweighted GPA.

Keywords: gpa, grade, point, average.

Sources: U.S. Department of Education

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the GPA Calculator free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the GPA Calculator?+

GPA Calculator uses the standard gpa formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The GPA Calculator runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the GPA Calculator on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

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Likely next step

📊CGPA CalculatorTop match✅Grade CalculatorConvert marks to letter grades with percentage breakdowns.％Percentage CalculatorFind percentages, increases and decreases.📋SGPA CalculatorSemester Grade Point Average for a single term.％Marks Percentage CalculatorFind percentage from obtained and total marks.📅Attendance CalculatorCalculate attendance percentage and how many classes you can miss.

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Calculate semester GPA using the 4.0 scale weighted by credits.

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