Assignment Grade Calculator — Instant Score to Grade Converter
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Assignment Grade Calculator

Enter your scores and total points for every assignment, quiz, or homework — get your overall grade instantly with a full breakdown.

Your Assignments
Filter by Type
Assignment Name
Your Score
Total Points
Type
Standard Grading Scale
A+
97–100%
A
93–96%
A−
90–92%
B+
87–89%
B
83–86%
B−
80–82%
C+
77–79%
C
73–76%
C−
70–72%
D
60–69%
F
0–59%

What is an Assignment Grade Calculator?

An assignment grade calculator is a free tool that helps students instantly find their overall grade based on points scored vs. total points possible across all assignments. Whether it’s homework, a quiz, lab report, or project — just enter your numbers and get your percentage and letter grade in seconds.

How to Use This Calculator

Step 1: Click “Add Assignment” for each piece of work.

Step 2: Enter the assignment name, your score, the total possible points, and the type.

Step 3: Click “Calculate Grade” to see your overall percentage, letter grade, and full breakdown.

Step 4: Use the What-If tab to simulate future scores, or the Goal tab to find what you need to hit your target.

How is Assignment Grade Calculated?

Grade (%) = (Total Points Earned ÷ Total Points Possible) × 100

Example: Scored 78/100 on a quiz and 45/50 on homework = (78+45) ÷ (100+50) × 100 = 82% — a solid B.

Tips to Improve Your Assignment Grade

Submit everything: A 50% on a submitted assignment is always better than a 0 for missing work. Zeros destroy your average fast.

Focus on high-point assignments: A 100-point midterm affects your grade 10x more than a 10-point quiz. Use the breakdown to prioritize.

Track extra credit: Add bonus points as assignments. Even small extras can push you from a B+ to an A−.

Frequently Asked Questions

How do I calculate my assignment grade from points? ＋
Divide your score by total points possible, then multiply by 100. Example: 36/40 = (36÷40)×100 = 90%. This calculator does it automatically for all your assignments combined.
What if some assignments are worth more than others? ＋
Just enter the correct total points for each assignment — higher point assignments are automatically weighted more. For category-based weighting (e.g. “Homework = 30% of grade”), try our Weighted Grade Calculator instead.
Can I add extra credit? ＋
Yes! Enter the bonus points as your score and add it to any assignment. The calculator will factor it in correctly.
How do I enter a missing assignment? ＋
Enter 0 as your score. The Missing tab also flags all zero-score assignments so you can see their impact clearly.
How many assignments can I add? ＋
No limit. Add every assignment for the entire semester if you want — the calculator handles it all instantly.
Is my data saved? ＋
No data is sent to any server. Everything stays in your browser’s memory and clears when you close the tab. Use Copy Results to save your grades.