Grade Calculator Guides
Plain-English guides with the formula, a worked example and the common mistakes for each. Pick the one that matches your question, or start with how to calculate your grade in a class.
How to Calculate Your Class Grade
Learn how to calculate your grade in a class from points earned and points possible, with a worked example and the common mistakes to avoid.
Formula: Class grade = points earned ÷ points possible × 100
How to Calculate a Weighted Grade
Use the weighted grade calculator and learn the formula with a step-by-step example, including what to do when some categories have not been graded yet.
Formula: Weighted grade = (category 1 average × weight 1) + (category 2 average × weight 2) + …
How to Calculate a Test Grade
Calculate a test, quiz or exam grade from the number correct or points earned, and see how that one score changes your class grade.
Formula: Test grade = questions correct ÷ total questions × 100
What Do I Need on My Final?
Find the score you need on your final exam to reach the class grade you want. Enter your current grade, the final’s weight and your goal, then see the formula, worked examples and a table of what different exam weights require.
Formula: Score needed = (desired grade − current grade × (1 − final weight)) ÷ final weight
Semester Grade Calculator
Combine your quarter or term grades and your final exam into one semester grade, with a calculator, the formula and worked examples.
Formula: Semester grade = (term 1 × weight) + (term 2 × weight) + (final × weight)
How to Calculate Your Semester Grade Without the Final
Work out your semester grade before the final exam, or when you are exempt from it, and see how each possible final score would change the result.
Formula: Grade without the final = weighted points so far ÷ combined weight of the graded categories
How to Calculate a Grade Percentage
Turn a score into a percentage with one formula, work out the points you need for a target, and convert a percentage to a letter grade.
Formula: Percentage = points earned ÷ points possible × 100
Letter Grade Scale and Percentage Chart
A common letter grade scale with percentage ranges and 4.0 grade points, how to calculate a letter grade, and why your school’s scale may be different.
Formula: Find your percentage first, then match it to the range for each letter
How to Calculate Your GPA
Learn how to calculate your GPA on the 4.0 scale with worked examples, and how credit hours, weighted classes and a previous GPA change the result.
Formula: GPA = total grade points ÷ total credit hours
How to Calculate Your Average Grade
Find your average grade with the mean formula, and learn when a simple average works, when it does not, and how a new score changes your average.
Formula: Average = sum of scores ÷ number of scores
What-If Grade Calculator
See how a future or hypothetical score would change your class grade, learn how to work it out by hand and how to find the score you need for a target.
Formula: New grade = (points earned + new score) ÷ (points possible + new points possible)
Canvas Grade Calculator
Learn how Canvas calculates your grade, how to use what-if scores and assignment group weights, and how to check your total by hand.
Formula: Canvas grade = points earned ÷ points possible across graded assignments (or weighted by group)
AP Grade Calculator
Estimate your AP exam score from 1 to 5 for AP Psychology, U.S. Government, World History, Art History, Computer Science Principles and other exams.
Formula: Composite = sum of (section percent × section weight), then matched to a 1 to 5 score
SAT Grade Calculator
Add your section scores for a total out of 1600, find the score you need on one section for a target, and learn how the digital SAT is scored.
Formula: SAT total = Reading and Writing score + Math score
IB Grade Calculator
Add your six IB subject grades and your core bonus points for a total out of 45, and learn the pass mark and the other diploma conditions.
Formula: IB total = six subject grades (1 to 7 each) + core bonus points (0 to 3)
How College Grades Are Calculated in the Philippines
How the 1.0 to 5.0 grading scale works in Philippine colleges, how percentages convert to grades, how term grades combine and how to compute your GWA.
Formula: GWA = sum of (grade × units) ÷ total units