Grade Calculator – Weighted Grades & Final Exam Score Needed

A weighted grade assigns different importance levels to various assignments. Instead of treating all assignments equally, major assessments (like final exams) have higher weights than minor ones (like quizzes). Weights must total 100%.

Multiply each assignment score by its weight percentage (as a decimal), then add all results. Example: (Quiz 90 × 0.20) + (Exam 85 × 0.80) = 18 + 68 = 86% overall.

This calculator shows the minimum grade needed on remaining assignments. Formula: (Target × 100 - Completed Weighted Points) / Remaining Weight. If result exceeds 100%, your target is unrealistic.

Unweighted grades treat all assignments equally in calculation. Weighted grades assign different importance to different assignments. A weighted system is standard in most colleges and modern high schools because major exams better reflect mastery.

Your syllabus lists grading weights in the rubric section. Common weights: Homework 10-20%, Quizzes 15-20%, Midterm 25-35%, Final Exam 30-50%, Projects/Participation 10-15%. If unclear, ask your instructor.

If weights are incomplete (e.g., 85% total) with remaining assignments upcoming, use this calculator—it handles incomplete weights automatically by showing what's needed on remaining work. If 100% is already graded, your grade is final.

Enter all completed grades with their weights, then set your target grade. The calculator automatically shows the minimum required on remaining coursework. Focus on items with highest weights—they impact your grade most.

Grade percentage (0-100%) is the calculated score. Letter grades (A, B, C, etc.) convert percentages to letter values. Standard: 90-100%=A, 80-89%=B, 70-79%=C, 60-69%=D, Below 60%=F. Your school may use different scales.

If your syllabus specifies weights, use weighted average (this calculator). If all assignments count equally, use simple average. When in doubt, check your syllabus or ask your instructor which method to use.

If your professor drops your lowest grade, don't include it in this calculator. Only input grades that actually count toward your final grade. Omitting dropped grades gives you an accurate current standing.

Extra credit impact depends on its weight and the percentage boost. 5% extra credit on a 10% weight assignment adds at most 0.5% to final grade. Use a calculator to test if bonus work is worth your effort before investing time.

If calculated grade needed exceeds 100%, your target is mathematically impossible with remaining work. Either lower your target goal or investigate if extra credit or dropped grades help. Focus on achievable targets to stay motivated.