Grade Scale Conversion:
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The Grade Scale Calculator converts performance scores into percentage grades, letter grades, or GPA values based on the maximum possible score. It provides a standardized way to evaluate performance across different assessment scales.
The calculator uses the basic percentage formula:
Where:
Explanation: The equation calculates what percentage of the total possible points were earned, then converts this to the selected grading scale.
Details: Accurate grade calculation is essential for fair assessment, academic progress tracking, and standardized evaluation across different tests or assignments.
Tips: Enter your actual score and the maximum possible score. Select your desired output format (percentage, letter grade, or GPA). All values must be positive numbers.
Q1: What's the difference between percentage and letter grades?
A: Percentage is the exact score, while letter grades group percentages into categories (A, B, C, etc.) which may vary by institution.
Q2: How is GPA calculated from percentage?
A: This calculator uses a standard 4.0 scale conversion, but some schools may use different scales.
Q3: What if my score is higher than the maximum?
A: The calculator will only accept scores up to the maximum value entered.
Q4: Can I calculate grades for weighted assignments?
A: This calculator handles simple percentage calculations. For weighted grades, you'd need to calculate each component separately.
Q5: Are there different letter grade scales?
A: Yes, some institutions use +/- modifiers or different percentage cutoffs. Check your specific grading policy.