About the Assignment Score Calculator
Assignment percentage with late penalties and rubric criteria applied.
Also known as: coursework score calculator, rubric calculator, late penalty calculator, homework grade.
How to use this calculator
- Enter points earned, points possible, days late, penalty per day and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
final = raw percentage − min(days late × daily penalty, cap)
Worked example
Using the values pre-filled in the calculator above:
- Points earned = 42
- Points possible = 50
- Days late = 0
- Penalty per day = 10 %
- Maximum penalty = 50 %
the calculator returns:
- Final score: 84%
- Raw score: 84%
- Penalty applied: 0 percentage points
- Letter grade: B