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Weighted Grade Calculator: Your Current Grade Plus What You Need on the Final

Updated 30 March 2026

Enter your assignments with their weights. See your current weighted average instantly. Then set a target grade to find out exactly what score you need on the final exam or remaining assignments. Works for any weighting system.

Weighted Grade Calculator

Assignment
Grade (%)
Weight (%)
Upcoming?

Current Average

85.9%

B

Completed Weight

70%

of 100% total

Remaining

30%

upcoming weight

Need on Remaining

Guaranteed

for 90% target

What Do I Need on the Final?

A
Impossible
A-
99.5%
B+
89.5%
B
76.2%
B-
66.2%

Grade Contributions

Homework (20% weight)18.40 points
Quizzes (15% weight)12.75 points
Midterm (25% weight)19.50 points
Participation (10% weight)9.50 points

How Weighted Grades Work: A Complete Example

Consider an English class with this weighting: Homework (20%), Quizzes (15%), Midterm (25%), Participation (10%), Final Exam (30%). You have completed everything except the final. Your scores: Homework 92%, Quizzes 85%, Midterm 78%, Participation 95%.

Step-by-Step Calculation

Homework: 92% x 0.20 =18.40 points
Quizzes: 85% x 0.15 =12.75 points
Midterm: 78% x 0.25 =19.50 points
Participation: 95% x 0.10 =9.50 points
Total weighted points (70% complete)60.15 points
Current average: 60.15 / 0.70 =85.9% (B)

What Score Do You Need on the Final?

Target: A (93%)109.5% (impossible)
Target: A- (90%)99.5% (impossible)
Target: B+ (87%)Need 89.5%
Target: B (83%)Need 76.2%
Target: B- (80%)Need 66.2%
Target: C+ (77%)Need 56.2%

In this scenario, an A is not achievable because it would require over 100% on the final. An A- requires a near-perfect 99.5% on the final. A B+ requires 89.5%, which is challenging but realistic. The formula: Required = (Target x 1.00 - Weighted Points) / Remaining Weight. For B+ (87%): (87 - 60.15) / 0.30 = 89.5%.

Common Weighting Systems

Typical High School

Tests and exams40%
Quizzes20%
Homework20%
Participation10%
Projects10%

Typical College Course

Midterm exam25%
Final exam35%
Papers or projects25%
Participation and attendance15%

STEM College Course

Homework sets25%
Midterm 120%
Midterm 220%
Final exam30%
Lab reports5%

Seminar or Discussion Course

Participation30%
Response papers25%
Final paper30%
Presentation15%

Category vs Individual Assignment Weighting

Your syllabus determines which type of weighting to use. Category weighting means all assignments within a type share a single weight. If homework is worth 20% and you have 10 homework assignments, each homework is effectively worth 2% of your final grade (20% / 10). All 10 homeworks are averaged first, then the average counts as the 20%.

Individual assignment weighting means each assignment has its own explicit weight listed in the syllabus. Homework 1 might be 3%, Homework 2 might be 4%, Midterm 25%, etc. In this system, enter each assignment as its own row in the calculator with its individual weight. The total of all weights should add up to 100%.

If your syllabus uses category weighting: average all grades within each category first, then enter each category as a single row. Homework average: 88%, weight 20%. Quiz average: 82%, weight 15%. This is equivalent to entering every individual assignment but much faster.

Extra Credit, Dropped Grades, and Late Penalties

Extra Credit

If a professor offers 5 extra credit points on a 100-point assignment and you scored 95 + 5 = 100, enter 100%. If you scored 95 + 5 on a base of 100 without any cap, you can enter 100%. If the extra credit pushes you above 100% (e.g., 98 + 5 = 103 out of 100), enter 103%. The calculator handles scores above 100% correctly in the weighted average. Note that some courses cap individual assignment scores at 100% even with extra credit, so check your syllabus.

Dropped Lowest Grade

When your professor drops the lowest grade in a category, manually remove it before entering. If you have 8 quiz scores and the lowest is dropped, average only the top 7. Enter that average with the category weight. The dropped grade raises your category average, which flows through to a higher weighted total. Example: 7 quizzes averaging 88% with the lowest (68%) dropped. Without drop: average is 85.1%. With drop: average is 88.0%.

Late Penalties

Apply the late penalty before entering the grade. If you earned 95% on a paper but submitted it one day late with a 10% per day penalty, your grade is 95% x 0.90 = 85.5%. Enter 85.5% in the calculator. Some professors deduct a flat amount (95 - 10 = 85%) rather than a percentage. Check your syllabus for the exact policy. Late penalties stack: two days late at 10% per day means you keep only 80% of your score (95 x 0.80 = 76%).

Frequently Asked Questions

How do I calculate my weighted grade?+
Multiply each assignment grade by its weight (as a decimal), then add them all up, then divide by the total weight. Example: Homework (92%, weight 20%) + Midterm (78%, weight 30%) + Quizzes (85%, weight 15%). Calculation: (92 x 0.20) + (78 x 0.30) + (85 x 0.15) = 18.4 + 23.4 + 12.75 = 54.55. Total weight: 0.20 + 0.30 + 0.15 = 0.65. Weighted average: 54.55 / 0.65 = 83.9%. This is your current average based on the 65% of your grade that has been completed.
What do I need on the final to get an A?+
Use this formula: Required Score = (Target Grade x Total Weight - Current Weighted Points) / Final Weight. Example: You want a 93% (A). Your current weighted points (from completed work) are 54.55 out of 65% weight. The final is worth 35%. Required = (93 x 1.0 - 54.55) / 0.35 = 38.45 / 0.35 = 109.9%. If the required score exceeds 100%, the target grade is mathematically impossible with remaining assignments alone. In this case, you would need extra credit or a different target.
Does 89.5% round up to an A-?+
This depends entirely on your professor or school policy. Many institutions use standard rounding (89.5% rounds to 90%, which is typically an A-). Others use strict cutoffs (89.9% is still a B+). Some professors specify in their syllabus whether they round. If the syllabus does not mention rounding, assume strict cutoffs and aim for the full grade threshold. When in doubt, ask your professor directly. It is better to know the policy before finals week than to be surprised after grades are posted.
My teacher says homework is 20% but I have 15 homework assignments. How does that work?+
When homework is weighted at 20% as a category, all 15 assignments are averaged together first, then that average counts as 20% of your total grade. If your 15 homework scores average to 88%, the homework category contributes 88% x 0.20 = 17.6 points toward your final grade. Each individual homework assignment is worth 20% / 15 = 1.33% of your total grade. Missing one homework out of 15 would reduce your homework average by roughly 6.7 percentage points (assuming the missed assignment is a 0), which reduces your final grade by about 1.3 points.
How do weighted grades differ from unweighted grades?+
Unweighted grades treat every assignment equally regardless of its importance. If you have 10 homework assignments and 1 final exam, each counts as 1/11 of your grade. Weighted grades assign different importance to different assignments. The final exam might be worth 30% of your grade while each homework is worth 2%. Weighted grading more accurately reflects the course structure because a final exam typically assesses deeper understanding than a single homework assignment. Most college courses and many high school courses use weighted grading.
What happens if my professor drops the lowest grade?+
When the lowest grade in a category is dropped, remove that score before averaging the remaining assignments. If you have 10 quiz scores (85, 90, 72, 88, 95, 80, 91, 86, 78, 93) and the lowest is dropped, remove the 72 and average the remaining 9 scores: (85+90+88+95+80+91+86+78+93) / 9 = 87.3%. Without dropping: (sum including 72) / 10 = 85.8%. The dropped grade raised your quiz average by 1.5 points. This calculator does not automatically drop lowest grades, so manually remove the lowest score from the relevant category.
How do I account for extra credit?+
Extra credit increases your grade beyond the normal maximum. If your homework category has a maximum of 100 points per assignment and your professor offers 5 extra credit points on one assignment, your score might be 105/100 = 105%. Enter this as 105 in the grade field. The weighted calculation handles it correctly. A 105% on a homework worth 20% contributes 21.0 points instead of the normal maximum of 20.0 points. Some professors cap grades at 100% even with extra credit, so check the syllabus.
How is weighted GPA different from my class grade?+
Your weighted class grade (what this calculator computes) shows your percentage in a single class based on assignment weights. Weighted GPA is a separate concept used across multiple classes: it adds extra GPA points for advanced courses. In a standard 4.0 GPA scale, an A is worth 4.0. In a weighted GPA system, an A in an AP class is worth 5.0 and an A in an Honors class is worth 4.5. Weighted GPA rewards students for taking harder courses. A student with a 4.3 weighted GPA has taken advanced courses and earned high grades.