Grade Calculation Formulas: A Practical Reference
Use the correct formula for percentage, points, weighted, final, semester, and curved grades, with worked examples and links to each calculator.
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Grade Calculation Resources
Clear formulas, worked examples, and checking guides that help you choose and verify the right calculation.
Points vs Percentage Grading: Why Averages Differ
See why averaging percentages can differ from combining points, with worked examples, course-policy checks, and a method-selection guide.
Read the guideGrade Rounding: Decimals, Thresholds and Letter Grades
Understand full precision, display rounding, round-before-letter policies, and boundary effects through practical examples.
Read the guideHow to Check a Grade Calculation
Use a repeatable audit to find denominator, missing-work, weighting, current-grade, rounding, and grading-scale discrepancies.
Read the guideWeighted vs Unweighted Grades
Understand equal averages, explicit weights, category structures, current normalized grades, and course contribution without confusing them with GPA.
Read the guideHow Grade Curves Work
Compare flat, proportional, square-root, target-mean, linear, and z-score curves using formulas, distribution checks, examples, and policy cautions.
Read the guideSemester Grade vs Final Grade
Choose between forward semester calculations, required-final targets, projected course grades, multi-part finals, and broader weighted planning.
Read the guideA Faster Teacher Grading Workflow
Grade a stack efficiently with wrong-answer shortcuts, partial credit, validated scales, printable charts, local scenarios, and privacy-safe checking.
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