Final Grade Formula:
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Definition: This calculator determines what grade you need on your final exam to achieve your desired overall course grade.
Purpose: It helps students plan their study efforts by showing the minimum final exam score required to reach their target grade.
The calculator uses the formula:
Where:
Explanation: The formula calculates what portion of the remaining grade you need to earn on the final to reach your target.
Details: Knowing your required final exam score helps with study planning, time management, and setting realistic goals.
Tips: Enter your desired overall grade, current grade contribution, and final exam weight (default 0.3 for 30%). All values must be valid percentages (0-100) except weight (0-1).
Q1: What if the calculator shows a negative number?
A: This means you've already achieved your target grade and could score 0% on the final.
Q2: What if it shows over 100%?
A: This means your target grade is impossible to achieve with the current scores and final weight.
Q3: How do I find my current contribution?
A: Multiply your current average by (1 - final weight). For example, if you have 80% average and final is worth 30%, current contribution is 80% × 70% = 56%.
Q4: Can I use this for multiple grading components?
A: This calculator assumes all non-final work is already included in your current contribution.
Q5: Does this account for extra credit?
A: No, adjust your required grade or current contribution to account for extra credit.