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GPA Calculator

Estimate your semester GPA, then include previous coursework to see how your cumulative GPA changes.

Semester Courses

Add each course, choose the letter grade, and enter credit hours.

Course 1

Course 2

Course 3

Existing GPA (optional)

Include prior coursework to estimate your updated cumulative GPA.

Semester GPA

4.00

Semester Credits

9.0

Quality Points

36.00

Cumulative GPA

4.00

Total Credits

9.0

Prior Credits

0.0

Add prior GPA and credits above if you want a combined cumulative GPA.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This GPA Calculator is built to give a quick, browser-based estimate for gpa. Estimate your semester GPA, then include previous coursework to see how your cumulative GPA changes. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For math & education tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

  • Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
  • Run a low, base, and high case when the inputs are estimates.
  • Check the related calculators below when the next decision depends on a different assumption.

How to interpret the gpa result

Best use

Use the result to learn a formula, check homework, verify a percentage, or understand the steps behind a number.

Cross-check

Compare the output with the method your class, textbook, spreadsheet, or teacher expects, especially when rounding rules are specified.

Watch for

A calculator can confirm arithmetic, but it cannot decide which formula a word problem requires. Read the setup before trusting the answer.

This page belongs to the Math & Education calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this gpa estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Match the expected method

Teachers, textbooks, spreadsheets, and tests may require a specific formula, rounding rule, or notation format.

Inspect the setup

The calculator can check arithmetic, but the user still has to choose the right formula for the word problem or assignment.

Show the work when needed

Use the result to verify steps, then write out the method when an answer alone is not enough.

Rerun this page when the formula, rounding instruction, units, or assignment requirements change.

How to Use

  1. Add each course you took this semester using the + Add Course button if needed.
  2. Select the letter grade earned for each class and enter the course credit hours.
  3. Review your semester GPA and total quality points as you update each row.
  4. If you already have a GPA, enter your prior GPA and total earned credits to estimate your cumulative GPA.

Frequently Asked Questions

How is GPA calculated?

GPA is calculated by multiplying each course grade value by its credit hours, adding those quality points together, then dividing by the total number of credits attempted.

Does an A+ count above 4.0?

Many schools cap an A+ at 4.0 on the standard scale. This calculator uses the standard unweighted 4.0 scale, so both A and A+ count as 4.0.

What is the difference between semester GPA and cumulative GPA?

Semester GPA only includes the classes from one term. Cumulative GPA includes all completed coursework, which is why prior GPA and prior credits matter.

Can I use this for college and high school GPA?

Yes, as long as your school uses a standard 4.0 scale. Weighted GPA systems that add extra points for honors or AP classes will need a different scale.

Why do credit hours affect GPA so much?

Courses with more credit hours carry more weight because they contribute more quality points. A grade in a 4-credit class affects GPA more than the same grade in a 1-credit class.

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