Grade Calculator

Grade Calculator

Calculate your course grades with support for letter grades (A, B, C, D, F) and final grade planning.

Our grade calculator helps you determine your current course grade by entering each assignment or exam with its weight and your score. You can mix letter grades and percentage grades, calculate what you need on a final exam to reach a target grade, and explore different grade scenarios. The tool supports weighted grading systems used by most high schools and colleges. Simply add your tasks with their respective weights and grades, and the calculator will compute your weighted average and letter grade automatically.

Course Tasks

Add your course tasks with letter or number grades

No tasks added yet. Click "Add Task" to get started.

How It Works

This calculator supports both number grades (0-100%) and letter grades (A-F). Letter grades are automatically converted to numerical values for calculation.

Final Grade = Σ(Grade × Weight) / 100

Tips

Use letter grades (A-F) or number grades (0-100%)
Make sure total weight equals 100%
Use Final Grade Planning to set goals

Why Use Our Grade Calculator?

  • Supports both letter and number grades for maximum flexibility
  • Instant calculation of weighted averages and final grades
  • Plan your final grade and see what you need to achieve your goals
  • What-if scenarios to simulate different outcomes
  • Export results for record-keeping or sharing
  • Completely free and privacy-friendly

Frequently Asked Questions

How does the grade calculator work?

Enter your course tasks such as homework, quizzes, midterms, and final exams along with their respective weights and your scores. The calculator computes your weighted average by multiplying each score by its weight, summing the results, and dividing by the total weight. It supports both percentage and letter grade inputs, making it suitable for any course grading structure.

Can I use letter grades?

Yes, you can enter grades as letters (A+, A, A-, B+, B, B-, C+, C, C-, D+, D, F) or as numerical percentages (0-100%). The calculator automatically converts letter grades to their numerical equivalents using the standard 4.0 scale. This flexibility allows you to mix different grade formats within the same course if needed.

Is my data saved?

Your data is saved locally in your browser using localStorage for your convenience. This means your tasks and grades persist even if you close or refresh the page. Nothing is sent to our servers, ensuring your academic information remains private and under your control at all times.

Is this tool free?

Yes, our grade calculator is completely free to use with no limits on the number of tasks, calculations, or scenarios you can explore. There is no registration required and no premium features locked behind a paywall. We are committed to providing accessible academic tools for all students.

How to Use the Grade Calculator

Our grade calculator helps you determine your current course grade and plan for your final exam. Start by entering your assignment or exam scores along with their respective weights toward the final grade. For example, if homework counts for 20% of your grade, quizzes count for 30%, and the final exam counts for 50%, simply enter these percentages along with your current scores. The calculator instantly computes your weighted average and shows the letter grade equivalent based on the standard grading scale. You can also use the “What Do I Need on My Final?” feature to calculate the exact score you need on your final exam to achieve your target course grade.

Understanding Weighted Grade Calculation

Most college courses use a weighted grading system where different assignments and exams contribute different percentages toward your final grade. A typical breakdown might include homework (10-20%), quizzes or midterms (30-40%), a final project (15-25%), and a cumulative final exam (25-40%). To calculate your weighted grade, multiply each score by its weight percentage (in decimal form), then sum the results. For instance, if you scored 85% on a midterm worth 30% of your grade, that contributes 25.5 points toward your final grade. Our calculator handles these calculations automatically, saving you time and ensuring accuracy.

Strategies for Final Exam Success

Your final exam often carries significant weight in your overall course grade, making it crucial to prepare effectively. Start reviewing at least two weeks before the exam by organizing your notes, creating study guides, and identifying key concepts from each unit. Take advantage of practice exams if your professor provides them, as they help you understand the format and identify areas where you need more review. Form study groups with classmates to discuss challenging topics and quiz each other. On exam day, get plenty of rest, eat a balanced meal, and arrive early to reduce stress. Remember that consistent preparation throughout the semester is the most reliable path to strong exam performance.