Guides: Grades & GPA, Explained
Last updated: August 4, 2026
Our calculators give you the answer in a second — these guides make sure you understand it. Every article is written and fact-checked by the FinalGradr Editorial Team, shows the formulas it uses, and links to the calculator that automates them.
How Final Grades Are Calculated
Weighted categories, total-points systems, credit hours, curves and rounding — the three grading systems nearly every syllabus uses, explained with two fully worked examples you can reproduce by hand.
GPA Scales Explained: 4.0, 4.3, 5.0, Percentages & Letter Grades
The US 4.0 and 4.3 scales, the 5.0 weighted scale, percentage marking, UK degree classes, Canada's patchwork and India's 10-point CGPA — every major system side by side, with the honest rules for converting between them.
Weighted vs. Unweighted GPA: What Counts, and Who's Counting
How honors and AP/IB bonus points actually work, one schedule scored both ways (3.67 vs. 4.17), and the uncomfortable truth about which of the two numbers college admissions offices actually use.
What Do I Need on My Final? The Formula, By Hand
The one-line formula behind every “what do I need on my final” calculator, derived from scratch and applied to three scenarios: locking in an A, finding the passing bar, and salvaging a course when the target is out of reach.
How to Raise Your GPA: Strategies That Survive the Math
What your GPA can still become — semester by semester, in a table — plus the levers that actually move it: grade replacement, withdrawals, credit weighting and semester design that survives contact with finals week.