Education guide
How to calculate your grade percentage
This page helps you work out a simple or weighted grade average so you can understand how assignments and exams combine into one result.
Education toolGrade estimate
Grade Calculator
Use this page to combine subject scores into a clear grade summary that can be checked quickly and revised easily. It helps you see your grade percentage without guessing how weights affect the final mark.
Updated: April 29, 2026
Looking for a related estimate? Try Exam Score Predictor or Percentage Calculator.
What you will get
Clear input, result, and explanation in one place
Grade estimate
The result shows a percentage grade and a letter grade so the output is easy to scan.
Weights are normalised through the total weight so the page remains usable even if they do not add to exactly 100. Results are estimates based on the values you enter and should be used as a planning guide.
Comparison
Simple average vs weighted average
A simple average treats every mark equally, while a weighted average gives more importance to the parts of the course that matter most.
Calculator
Enter your values and review the result
Inputs
Live updatesGrade calculation panel
Switch between a simple average and a weighted grade calculation.
Weights are normalised through the total weight so the page remains usable even if they do not add to exactly 100. Results are estimates based on the values you enter and should be used as a planning guide.
Result
Grade estimate
The result shows a percentage grade and a letter grade so the output is easy to scan.
Current estimate
Simple grade 85.3% (B)
Simple grade uses the average of the scores without any weighting.
Supporting details
- Average mark: 85.3%
- Weighted mark: 85.3%
Example
Assignment and exam example
If four marks are 84, 91, 87, and 79, the page can show both the simple average and the weighted average so you can see how different inputs affect the final grade.
Interpretation
What the result means
A higher percentage is better in most grading systems, but the exact meaning depends on your school. Weighted results matter most when one exam or assignment counts more than the others.
Next step
What to do next
If you need a target for the next assessment, use the exam score predictor or GPA calculator to compare the grade with your overall plan.
Common questions
Because many courses use a simple average for quick checks but a weighted average for the final mark.
It gives a quick interpretation of the percentage result using a standard high-school style scale.
It is a tool that gives more importance to some marks than others, based on the weights you enter.
Yes. It is useful for checking how assignments and exams contribute to the overall percentage.
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