Which Grade Calculator Do I Need?
GPA, Grade Calculator, Test Score, and Letter Grade all sound like the same thing. They're not -- each one starts from a different piece of information and answers a different question.
Four tools, four different starting points
| Tool | The question it answers | What you start with |
|---|---|---|
| GPA Calculator | What's my overall grade point average across all my classes? | Every class's letter grade and credit hours |
| Grade Calculator | What's my current grade in one class, made up of weighted categories? | Each category's weight (homework, quizzes, exams) and your score in each |
| Test Score Calculator | I got some points on one test -- what's my percentage and letter grade? | Points earned and points possible on a single assignment |
| Letter Grade Calculator | I already have a percentage -- what letter does that translate to? | A single percentage |
A quick way to pick
Start with what you're actually holding: if it's a stack of final grades from a whole semester and you want one overall number, that's GPA. If it's one class with homework, quizzes, and a final exam all worth different percentages, that's the Grade Calculator -- it can even solve for the score you need on a remaining final. If it's raw points from a single test or quiz (like "42 out of 50"), that's Test Score. And if you already did that math yourself and just have a percentage sitting there, Letter Grade is the fastest path to a letter.
A real terminology trap: "weighted GPA"
The GPA Calculator here computes a credit-hour-weighted GPA -- a class worth 4 credits counts more toward your average than one worth 2 credits, which is the standard college GPA formula. Some high schools separately use the term "weighted GPA" to mean something else entirely: giving extra grade-point value to honors or AP classes (an A in an AP class might count as a 5.0 instead of a 4.0). These are two unrelated meanings of "weighted" that happen to share a word -- check which one your school actually means before comparing numbers with a classmate.
Frequently asked questions
What's the difference between a class grade and my GPA?
A class grade (what the Grade Calculator or Test Score Calculator finds) is your standing in one course. GPA averages the final letter grades from multiple courses, weighted by each course's credit hours, into one overall number.
I have raw points, like 42 out of 50 -- which calculator do I use?
The Test Score Calculator -- it's built specifically for points-earned-out-of-points-possible, and shows both the percentage and the letter grade it maps to.
My teacher weights homework, quizzes, and exams differently -- which tool handles that?
The Grade Calculator, in its weighted-category mode. It also has a second mode that solves for the score you'd need on a remaining final to hit a target grade.
Is "weighted GPA" the same as what the GPA Calculator computes here?
No, and this is a common mix-up. This tool weights by credit hours (a 4-credit class counts more than a 2-credit one) -- the standard college GPA method. Some high schools use "weighted GPA" to instead mean extra points for honors/AP classes. Same phrase, two different calculations.