A simple, free grade calculator to determine your final grades and weighted averages. Perfect for students tracking their academic performance. No Signup Required.
| Assignment | Grade (%) | Weight (%) | Actions |
|---|---|---|---|
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The modern grading system using letters (A, B, C, D, F) was first implemented at Mount Holyoke College in 1897, where "E" was originally used instead of "F" for failing grades. The percentage-based grading scale varies significantly around the world—in the Netherlands, a perfect 10 is rarely awarded, while in France, the scale goes to 20 but scores above 16 are extremely uncommon. Interestingly, Finland's education system, consistently ranked among the world's best, uses a 4-10 scale where 4 is failing and 10 is excellent. Research suggests that grading systems significantly impact student motivation, with criterion-referenced grading (based on achieving specific learning objectives) showing better outcomes for long-term knowledge retention than norm-referenced grading (grading "on a curve").
Weighted grade calculations involve more complex mathematics than simple averages. The algorithm uses a weighted arithmetic mean where each grade value is multiplied by its corresponding weight before summing, then divided by the sum of all weights. This approach ensures that assignments with higher importance have proportionally greater impact on the final grade. When calculating "what-if" scenarios for future assignments, the system must solve for an unknown variable in an equation where the desired final grade is fixed. This becomes a constrained optimization problem when multiple future assignments exist, requiring linear programming techniques to determine feasible solutions. Modern grade calculators often implement numerical methods that can handle non-linear relationships between inputs, such as when courses apply grade adjustments or when certain assessment components have minimum threshold requirements.
Our Grade Calculator allows you to calculate your final grades and weighted averages. It's perfect for students who want to track their academic performance or determine what scores they need on upcoming assignments to achieve their desired grade.
To calculate a weighted grade average, enter each assignment or test along with its score and weight (percentage of the final grade). The calculator will automatically compute your weighted average based on these inputs.
Yes! Enter your current grades, their weights, and your desired final grade. The calculator will determine what score you need on remaining assignments or exams to achieve your target grade.
Yes, your calculations are automatically saved to your browser's local storage. They will remain available when you return to the calculator, even after closing your browser or restarting your device.
The calculator can handle dozens of entries, but for very large numbers of courses or complex calculations, performance might be affected. For most academic needs, our calculator will work perfectly.
Yes, we take data security seriously. Your grade information is stored locally in your browser and never sent to our servers. This ensures complete privacy and security of your academic information.
Our calculator supports standard percentage and letter grade scales. You can easily adapt it to different grading systems by adjusting the input values to match your institution's specific scale.