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Grade Calculator

Calculate your weighted average

Overall Grade

91.4%

Letter

A-

GPA

3.70

Weight

100%

Assignment
Grade (%)
Weight (%)

Grade Scale

A+97-100
A93-96
A-90-92
B+87-89
B83-86
B-80-82
C+77-79
C73-76
C-70-72
D+67-69
D63-66
F0-62
Your Overall Grade
91.4%A-

3.70

GPA (4.0 scale)

100%

Total Weight

Your Grade Zone

F
D
C
B
A(91.4%)
5.6 points to A+20%

Example Calculations

1Course with Homework, Midterm, and Final

Inputs

Homework95% (weight: 20%)
Midterm88% (weight: 30%)
Final Exam92% (weight: 50%)

Result

Weighted Average91.4% (A-)
GPA Equivalent3.70
Total Weight100%

Weighted sum = (95 x 20) + (88 x 30) + (92 x 50) = 1900 + 2640 + 4600 = 9140. Total weight = 20 + 30 + 50 = 100. Weighted average = 9140 / 100 = 91.4%. This falls in the A- range (90-92), which corresponds to a 3.70 GPA.

2Course with Quiz, Project, and Final

Inputs

Quiz78% (weight: 10%)
Project85% (weight: 40%)
Final Exam90% (weight: 50%)

Result

Weighted Average86.8% (B)
GPA Equivalent3.00
Total Weight100%

Weighted sum = (78 x 10) + (85 x 40) + (90 x 50) = 780 + 3400 + 4500 = 8680. Total weight = 10 + 40 + 50 = 100. Weighted average = 8680 / 100 = 86.8%. This falls in the B range (83-86), which corresponds to a 3.00 GPA.

Frequently Asked Questions

Q

How do weighted grades work?

Weighted grades multiply each assignment grade by its weight (importance), then divide by total weight. For example, if homework (20%) is 95% and a final (80%) is 85%, the weighted average is (95×20 + 85×80) ÷ 100 = 87%.

  • A final worth 50% has 2.5× more impact on your grade than homework worth 20%
  • Scoring 100% on a 10%-weight quiz raises your overall grade by at most 1–2 points
  • Focus study time on high-weight assessments – a 5-point gain on a 50% final is worth more than a 10-point gain on a 10% quiz
  • Enter assignments as you go to see your running weighted average before the final
Q

What grade do I need on my final?

To find the required final grade: (Desired Grade - Current Grade × Current Weight) ÷ Final Weight. For example, to get 90% with 85% current (worth 70%) and final worth 30%: (90 - 85×0.70) ÷ 0.30 = 101.7%.

  • If the required final score exceeds 100%, that letter grade is mathematically impossible
  • An 85% average with a 30%-weight final needs a 102% to reach an A (90%) – unlikely without extra credit
  • Lower your target by one letter grade (e.g., B+ instead of A) to see a more achievable final score
  • Some professors curve finals by 3–5 points – factor that in when setting your target
Q

How is GPA calculated?

GPA converts letter grades to a 4.0 scale: A=4.0, B=3.0, C=2.0, D=1.0, F=0. Weighted GPA multiplies by credit hours. A 3.5 GPA means your average is between A- and B+.

  • Semester GPA = total quality points ÷ total credit hours attempted
  • A 3-credit A (4.0 × 3 = 12 pts) and a 4-credit B (3.0 × 4 = 12 pts) = 24 pts / 7 hrs = 3.43 GPA
  • Dean’s List typically requires a 3.5+ semester GPA (top 15–20% of students)
  • One F in a 3-credit course drops a 3.8 GPA to approximately 3.2 over 15 credits
Letter GradePercentageGPA Points
A93–100%4.0
A-90–92%3.7
B+87–89%3.3
B83–86%3.0
B-80–82%2.7
C+77–79%2.3
C73–76%2.0
Q

Why do weights need to add up to 100%?

Ideally, weights should total 100% to represent your full grade. If they don't, the calculator still works by finding the weighted average of what you've entered. This is useful when you haven't completed all assignments yet.

  • Weights under 100% show your grade on completed work only – your final grade may differ
  • A common syllabus split: homework 20%, midterm 25%, project 25%, final 30% = 100%
  • If you’ve entered 70% of weights and have 88%, adding a 95% on the remaining 30% brings you to 90.1%
  • Double-check your syllabus – participation (5–10%) is often overlooked in calculations

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Last Updated: Mar 26, 2026

This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.

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