CalculationTime

GPA Calculator

Calculate a weighted grade point average from course grade points and credit hours, with the credit-weighted method shown clearly.

Live math canvas

Your numbers, formula and explanation together

GPA Calculator: 3.583 GPA. 43 quality points ÷ 12 credits. Zero-credit rows are ignored by the weighted average.

Formula applied

The exact method behind this answer

CalculationTime keeps the method visible so the number can be checked instead of blindly trusted.

GPA = Σ(grade points × course credits) ÷ Σ(course credits). Courses with zero credits are ignored because they add no credit weight.
  1. Apply the formulaGPA = Σ(grade points × course credits) ÷ Σ(course credits). Courses with zero credits are ignored because they add no credit weight.3.583 GPA43 quality points ÷ 12 credits. Zero-credit rows are ignored by the weighted average.

Your live breakdown

Current inputs in the calculation

These values come from the controls above and update when the calculator changes.

Course 1 grade points
3.7 0–4 scale
Enter the grade-point value used by your school, such as 4.0 for A or 3.7 for A−.
Course 1 credits
3
Course 2 grade points
3.3 0–4 scale
Course 2 credits
3
Course 3 grade points
4 0–4 scale
Course 3 credits
4
Course 4 grade points
3 0–4 scale
Course 4 credits
2

Resulting answer

3.583 GPA

43 quality points ÷ 12 credits. Zero-credit rows are ignored by the weighted average.

Answer
3.583 GPA
Live support
43 quality points ÷ 12 credits. Zero-credit rows are ignored by the weighted average.

Assumptions used

What this answer assumes

Best for a transparent GPA worksheet. Use official school policy for transcript decisions.

  • Grade inputs use the grade-point values assigned by the school, commonly on a 0.0 to 4.0 scale.
  • Credit inputs represent the weighting for each course, such as semester hours, credit hours or course units.
  • Courses with zero credits are excluded from the weighted average.
  • The calculator does not convert letter grades, honors weighting, pass/fail rules, repeated-course policies or institutional transcript rules unless those values are entered manually.
  • Official GPA for applications, scholarships, visas, athletics or graduation must come from the school record or the receiving institution.

Master’s Tip

How to use the result well

Master’s Tip: print the credits and grade points beside the GPA. Most GPA disputes are not caused by division; they come from a wrong credit weight, repeated-course rule, school-specific scale or letter-grade conversion.

Printable record

What belongs in the saved calculation

Save the inputs, result, formula, assumptions, page URL and date together so the calculation can be reviewed later.

Course 1 grade points
3.7 0–4 scale
Enter the grade-point value used by your school, such as 4.0 for A or 3.7 for A−.
Course 1 credits
3
Course 2 grade points
3.3 0–4 scale
Course 2 credits
3

Embeddable calculator

Embed this calculator

Copy a clean iframe version with the required CalculationTime attribution link built in.

Formula

GPA = Σ(grade points × course credits) ÷ Σ(course credits). Courses with zero credits are ignored because they add no credit weight.

Worked example

Course quality points are grade × credits: 3.7 × 3 = 11.1, 3.3 × 3 = 9.9, 4.0 × 4 = 16 and 3.0 × 2 = 6. Total quality points are 43.0 over 12 credits, so GPA = 43.0 ÷ 12 = 3.58.

Professional note

Master’s Tip: print the credits and grade points beside the GPA. Most GPA disputes are not caused by division; they come from a wrong credit weight, repeated-course rule, school-specific scale or letter-grade conversion.

Regional and unit assumptions

Standard or basis: credit-weighted arithmetic average of grade points. The page uses transparent general GPA math and does not claim a universal school, college, university, NCAA, UCAS or immigration transcript rule.

GPA proof

Credit-weight check

GPA is a credit-weighted average. Each course contributes grade points times credits, those quality points are added, and the total is divided by attempted credits. Zero-credit rows do not belong in the denominator.

Visible checks

What the page now proves

  • Grade points × credits
  • Quality-point total
  • Total attempted credits

Assumptions and limitations

Methodology & Accuracy

How this calculator is checked

CalculationTime pages are built around visible arithmetic: the formula, assumptions, worked example and practical limitations are shown so the result can be checked rather than simply trusted.

Formula used

GPA = Σ(grade points × course credits) ÷ Σ(course credits). Courses with zero credits are ignored because they add no credit weight.

Standard or basis

Standard or basis: credit-weighted arithmetic average of grade points. The page uses transparent general GPA math and does not claim a universal school, college, university, NCAA, UCAS or immigration transcript rule.

Where a calculator follows a named legal, trade or industry standard, that standard is cited visibly. Otherwise the page uses transparent general arithmetic and states its limits.

Master's Tip

Master’s Tip: print the credits and grade points beside the GPA. Most GPA disputes are not caused by division; they come from a wrong credit weight, repeated-course rule, school-specific scale or letter-grade conversion.

Related calculators

These cards are resolved from calculator data, category context and live-route status so the page links to useful next steps without hand-built link clutter.

Study & SchoolWeighted Average CalculatorCalculate a weighted mean from values and weights for grade categories, credits, survey scores, index components and spreadsheet checks, with contribution lines, total-weight warnings and a printable weighted-average worksheet record.Open calculatorPercentage & MathAverage CalculatorCalculate the arithmetic mean of up to five values, with the formula, total, count, outlier check and a printable classroom or report worksheet.Open calculatorStudy & SchoolGrade Percentage CalculatorTurn points earned and points possible into a percentage score, with an example letter band and clear extra-credit notes.Open calculatorStudy & SchoolFinal Grade CalculatorFind the score needed on a final exam or project to reach a target course grade under clear weighted-grade assumptions.Open calculatorMath & StatisticsPercent Yield CalculatorCalculate chemistry percent yield from actual yield and theoretical yield, with mass basis, loss amount, signed difference, formula, caveats and a printable lab worksheet record.Open calculatorMath & StatisticsVariance CalculatorCalculate population variance and sample variance for a small data set, with the mean, squared differences and denominator shown clearly.Open calculator

Questions

How do you calculate GPA?

Multiply each course grade point by its credits, add those quality points, then divide by the total credits included in the calculation.

Is GPA a simple average?

Only when every course has the same credit weight. When credits differ, GPA is a weighted average, so a four-credit course affects the result more than a one-credit course.

What do I enter for an A or B grade?

Enter the grade-point value used by your school. A common 4.0 scale uses values such as A = 4.0, A− = 3.7, B+ = 3.3 and B = 3.0, but institutional scales vary.

Can this calculate cumulative GPA?

Yes, if you enter each term or course with the correct credits and grade points. For many completed courses, combine prior quality points and credits from the transcript, then add current courses.

Does this handle honors, AP or repeated courses?

Not automatically. Enter the weighted grade-point value your school actually applies and check official policy for repeated courses, pass/fail classes and excluded credits.

Calculation note

GPA is a weighted-average record used to summarize course performance across different credit values. The useful calculation is not just the final number; it is the quality-point trail that shows which grades and credits were included.

GPA is weighted by credit value

A course worth four credits should normally count more than a course worth one credit. That is why the calculator multiplies grade points by credits before averaging, instead of simply averaging visible grade numbers.

The grade scale comes from the institution

There is no single global grade-point scale. Some schools use plus/minus values, honors weighting, pass/fail exclusions or repeated-course replacement rules. This calculator handles the arithmetic after those grade-point values are chosen.

A printable worksheet helps transcript checks

A GPA report is useful when it keeps course grade points, credits, quality points, total credits, formula and date together. That makes a scholarship, advising, homeschool, classroom or transfer-planning discussion easier to audit.

Sources and further readingNational Center for Education Statistics: Grade point averageUniversity of Washington Registrar: Grade point average