Build your GPA Calculator with AI in under 5 minutes

Build a GPA calculator on the 4.0 scale: add your courses with their letter grade and credit hours to get a credit-weighted grade point average, total credits, and an honours band. Runs in the browser.

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What is a gpa calculator?

A GPA calculator turns a list of courses, grades, and credit hours into a single grade point average on the 4.0 scale. It's one of the most-searched tools among students because the maths is easy to get wrong by hand: GPA isn't the simple average of your grades, it's weighted by how many credits each course is worth, so a heavy four-credit class moves your average much more than a one-credit elective. Each letter grade maps to grade points — A is 4.0, B is 3.0, with pluses and minuses in between — and the GPA is the total grade points earned divided by the total credits attempted. Students reach for one to project a semester, see what they need to hit a target, or total a transcript. A good calculator makes adding and removing courses effortless, handles partial rows gracefully, and shows the credit total alongside the number.

Common features

  • Credit-weighted GPA on the 4.0 scale
  • Letter grades A+ to F with pluses and minuses
  • An editable course table (add/remove rows)
  • Optional course names
  • Total credits and quality points
  • An honours / standing band
  • Skips incomplete or zero-credit rows
  • Instant, browser-side calculation
  • Courses remembered on the device
  • Light and dark themes

Real-world examples

Projecting a semester

A student enters their current courses with expected grades and credits to see the GPA they're on track for.

Totalling a transcript

Someone adds a full year of courses and reads off both the cumulative GPA and the total credits.

Hitting a target

A student tweaks one grade up and down to see how much a single course shifts the average.

Why FloopFloop fits gpa calculator projects

A GPA calculator is a tool students want instant, ad-free, and private. FloopFloop ships the calculator you want — your school's exact scale, weighted honours classes, a cumulative-plus-this-semester mode, your own colours — on your own domain, with every calculation running in the browser. The 'transcript' that ships by default lays your courses out like a report card with the GPA front and centre, and the whole thing is one prompt away from being whatever fits your school.

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Aşağıdaki herhangi bir komutu kopyalayın ve FloopFloop'a yapıştırarak başlayın.

Build a GPA calculator on the 4.0 scale. An editable table of courses, each with an optional name, a letter-grade dropdown (A+ down to F, where A is 4.0, A- is 3.7, B+ is 3.3, and so on), and credit hours; add and remove rows. Compute the credit-weighted GPA — multiply each course's grade points by its credits, sum, and divide by the total credits — and show the GPA, total credits, and an honours band. Skip rows with an unknown grade or zero credits. Keep it deterministic so the first render is hydration-safe, and remember the courses in localStorage. 100% client-side.

Create a college GPA calculator: I enter my grades and credit hours and it tells me my GPA. Use the 4.0 scale with pluses and minuses. Keep it in the browser.

Build a GPA calculator with a transcript look and a dark theme, showing my grade point average and total credits.

Build a tool to work out my semester GPA from a list of courses, grades, and credits.

Sık sorulan sorular

How is GPA calculated?
It's a credit-weighted average. Each letter grade is worth a number of grade points (A = 4.0, B = 3.0, etc.); multiply each course's points by its credit hours, add those up, and divide by the total credit hours. So a 4-credit course counts twice as much as a 2-credit one.
What grade scale does it use?
The common unweighted 4.0 scale with pluses and minuses — A and A+ are 4.0, A- is 3.7, B+ is 3.3, B is 3.0, down to F at 0.0. Some schools count A+ as 4.3 or weight honours classes; this is the standard estimate, which you can ask FloopFloop to adjust.
What's the difference between weighted and unweighted GPA?
Unweighted GPA caps every course at 4.0 regardless of difficulty. Weighted GPA gives honours or AP classes a higher ceiling (often 5.0). This calculator does the standard unweighted, credit-weighted average.
What if I leave a row blank or with no credits?
Rows with an unknown grade or zero credit hours are simply skipped, so a half-filled row won't throw your GPA off — only complete courses count toward the average.
Is anything uploaded?
No. Every calculation runs in your browser and your courses are saved to localStorage only. The single outbound surface is the /api/health probe.

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