Grade Percentage Formula:
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Definition: This calculator determines what percentage of total possible points you've earned.
Purpose: It helps students quickly calculate their grade percentage on assignments, tests, or overall course grades.
The calculator uses the formula:
Where:
Explanation: The earned points are divided by total possible points, then multiplied by 100 to convert to a percentage.
Details: Knowing your percentage helps track academic progress, understand performance, and predict final grades.
Tips: Enter the points you earned and the total possible points. Both values must be positive numbers, and total points must be greater than zero.
Q1: Can I use decimals for points?
A: Yes, the calculator accepts decimal values for precise calculations.
Q2: What if I earned more points than possible?
A: The calculator will show a percentage over 100% (e.g., extra credit).
Q3: How do I interpret the percentage?
A: Typically, 90-100% = A, 80-89% = B, etc., but grading scales vary.
Q4: Can I calculate my cumulative course grade?
A: Yes, sum all earned points and all possible points across assignments.
Q5: Why does it show "NaN" or errors?
A: This happens if you enter non-numeric values or zero for total points.