Grade Calculator
Calculate your weighted and unweighted grades, see your letter grade and GPA, and find out what you need on the final.
Assignments
What-If Calculator
What score do I need on the final exam to achieve my target grade?
What is a Grade Calculator?
A grade calculator is an academic tool that helps students compute their overall course grade by combining individual assignment scores with their respective weights. Whether your professor uses a weighted grading system (where exams count more than homework) or a simple points-based system, this calculator handles both approaches and instantly shows your weighted grade, unweighted average, letter grade (A+ through F), and GPA equivalent. The standout feature is the what-if calculator that answers the critical question every student asks: "What do I need on the final to get an A?" Simply enter your current assignments, set the final exam weight and target grade, and the tool tells you exactly what score you need. Everything runs privately in your browser with no account, no ads, and no data collection — just fast, accurate grade calculations when you need them most.
How to Use the Grade Calculator
- Add your assignments: Enter each assignment's name, your score, the maximum points possible, and the weight percentage. Default assignments are provided as examples.
- Review your grades: The calculator instantly displays your weighted grade, unweighted grade, letter grade, and GPA equivalent.
- Add or remove assignments: Click "+ Add Assignment" to include more work, or click the × button to remove any entry.
- Use the what-if calculator: Set the final exam weight and your target grade percentage, and the tool calculates the minimum score you need on the final.
- Adjust and experiment: Change scores and weights freely — results update in real time so you can explore different scenarios.
Features
- Weighted grading: Properly calculates grades using assignment weights so exams, homework, and projects are valued correctly.
- Unweighted average: Also shows a simple average of all assignment percentages for comparison.
- Letter grade display: Instantly converts your percentage to a letter grade from A+ through F using standard grade scales.
- GPA equivalent: Shows the 4.0-scale GPA equivalent of your current grade.
- What-if final calculator: Calculates exactly what you need on a final exam to achieve any target grade — handles impossible scenarios too.
- Unlimited assignments: Add as many assignments, quizzes, exams, and projects as your course requires.
- Real-time updates: All calculations happen instantly as you type — no submit button needed.
Use Cases
- Midterm grade check: Enter your completed assignments to see where you stand before the final exam.
- Final exam planning: Use the what-if calculator to know exactly what score you need on the final to reach your target grade.
- Syllabus weight analysis: Experiment with different weights to understand how your professor's grading scheme affects your final grade.
- Grade recovery scenarios: Explore what scores you need on remaining assignments to recover from a poor exam grade.
- Academic planning: Track grades across the semester to make informed decisions about study time allocation.
- Scholarship requirements: Check if your grades meet minimum GPA thresholds for scholarships and academic programs.
Tips & Tricks
- Make sure your weights add up to 100% for the most accurate weighted grade. If they don't, the calculator normalizes them proportionally.
- For points-based classes (no weights), set all weights to the same value — the calculator will treat them equally.
- Use the what-if calculator before finals week to prioritize which classes need the most study time.
- If the what-if calculator shows "Not possible," it means you'd need over 100% on the final — time to adjust your target grade.
- Combine this with the Weighted GPA Calculator to see how individual course grades affect your overall GPA.
Grade Calculator vs Alternatives
Many grade calculators online are outdated, cluttered with ads, or require you to download an app. School LMS platforms like Canvas and Blackboard calculate grades but don't offer what-if scenarios for future assignments. ToolMagic's grade calculator is completely free with no ads, requires no download or signup, provides a powerful what-if final exam calculator, shows both weighted and unweighted grades plus GPA, and runs 100% in your browser for complete privacy. It's faster and more flexible than RogerHub, Omnicalculator, or built-in LMS gradebooks.
Frequently Asked Questions
How do I calculate my weighted grade?
Enter each assignment with its score, max points, and weight percentage. The calculator multiplies each assignment's percentage by its weight, sums them, and divides by total weight to give your weighted grade.
What do I need on my final exam?
Use the what-if calculator section. Enter the final exam's weight percentage and your target grade, and the tool calculates the minimum score needed on the final. It accounts for all your current assignment grades.
How are letter grades determined?
Letter grades follow the standard scale: A+ (97-100%), A (93-96%), A- (90-92%), B+ (87-89%), B (83-86%), B- (80-82%), C+ (77-79%), C (73-76%), C- (70-72%), D+ (67-69%), D (63-66%), D- (60-62%), F (below 60%).
What's the difference between weighted and unweighted grades?
Unweighted grades average all assignments equally. Weighted grades multiply each assignment by its importance (weight) — so a final exam worth 40% of your grade has more impact than homework worth 10%.
How is GPA calculated from a percentage?
The GPA equivalent maps your percentage grade to the 4.0 scale: A/A+ = 4.0, A- = 3.7, B+ = 3.3, B = 3.0, and so on down to F = 0.0.
Can I use this for a points-based class?
Yes! For classes that use total points instead of weights, either set all weights to the same number (they'll be treated equally) or set each weight proportional to the max points of that assignment.
Is my grade data private?
Completely. All calculations happen in your browser. No grades, scores, or personal information are ever sent to a server or stored anywhere.
Related Tools
Explore more free tools: use the Weighted GPA Calculator to compute your semester and cumulative GPA, or try the Hourly to Salary Calculator to plan your finances after graduation.