How to use it
- Enter the values from your syllabus, gradebook, notes, or plan.
- Check that percentages and totals use the same scale.
- Select Calculate and read the note below your result.
- Adjust a value to compare a different scenario.
How the calculation works
Marks of 72/80 and 85/100 total 157/180, or 87.22%.
Example
Tips for a more useful result
- Use exact figures instead of rounded values when they are available.
- Check your course handbook for institution-specific scales and rules.
- Treat estimates as planning aids, especially when future scores are unknown.
Reviewed and updated September 2026.