Guides

Short, practical guides on calculating your class grade, GPA, weighted grades and what you need on your final exam.

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.

Learn how to calculate your GPA on the 4.0 scale with a worked example, and how credit hours and weighted classes change the result.

Calculate a test or quiz grade from the number correct or points earned, and see how that one score changes your class grade.

See how a future or hypothetical score would change your class grade, and learn how to work it out by hand.

Find your average grade with the mean formula, and learn when a simple average works and when it does not.

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.

Learn the weighted grade formula with a step-by-step example, including what to do when some categories have not been graded yet.

Learn how to calculate your class grade from points earned and points possible, with a worked example and the common mistakes to avoid.

A common letter grade scale with percentage ranges and 4.0 grade points, and why your school's scale may be different.