Calculate your weighted average grade instantly with our professional tool.
Weighted Overall Grade
0.00%
Letter Grade: F
Formula: Σ(Grade × Weight) / ΣWeights
Total Weight
0%
Weighted Points Earned
0.00
Points Lost
0.00
Grade Breakdown
Summary Table
Assignment
Grade (%)
Weight (%)
Contribution (%)
What is an Overall Grade Calculator with Weight?
An overall grade calculator with weight is a specialized academic tool designed to compute the final grade of a course where assignments, tests, and projects carry different levels of importance. Unlike a simple average where every assignment counts equally, a weighted grade system assigns a specific percentage value (weight) to each task.
Students, teachers, and academic administrators use the overall grade calculator with weight to accurately track academic progress. It is particularly useful when a syllabus divides grading into categories like "Final Exam (40%)", "Midterm (30%)", and "Homework (30%)". Common misconceptions include thinking that a low score on a low-weight assignment will ruin a grade, or that high scores on minor tasks can balance out a failed major exam.
Overall Grade Calculator with Weight: Formula and Math
The mathematics behind the overall grade calculator with weight is based on the weighted arithmetic mean. To find the overall grade, each individual grade is multiplied by its corresponding weight, summed up, and then divided by the total sum of the weights.
A university student wants to use the overall grade calculator with weight to check their standing. Their syllabus states: Homework (20%), Midterm (30%), and Final Project (50%).
A student has completed only two assignments so far using the overall grade calculator with weight:
Quiz 1: 70% (Weight 10)
Essay: 95% (Weight 20)
Calculation:
(70 × 10) + (95 × 20) = 700 + 1900 = 2600.
Total Weight used so far = 10 + 20 = 30.
Current Average = 2600 / 30 = 86.67%.
How to Use This Overall Grade Calculator with Weight
Identify Categories: Look at your course syllabus to find the weighted categories (e.g., Exams, Quizzes).
Enter Data: Input the name of the assignment, the grade you received (or expect to receive), and its weight.
Check Totals: Ensure your weights add up to 100% if you are calculating a final course grade. If calculating a current grade, weights may sum to less than 100%.
Analyze Results: The overall grade calculator with weight updates instantly. Review the "Grade Breakdown" chart to see where you lost points.
Use "Add Row": If you have more assignments, click "Add Assignment" to expand the calculator.
Key Factors That Affect Overall Grade Results
When using an overall grade calculator with weight, several financial and academic factors influence the outcome:
Weight Distribution: High-weight items (like Final Exams) have a drastic impact on the overall grade calculator with weight results. A 10% drop in a 50% weighted exam hurts more than getting a 0% on a 5% quiz.
Zero vs. Partial Credit: Missing an assignment often results in a 0. In a weighted system, a zero on a highly weighted task is mathematically devastating.
Extra Credit: If grades exceed 100%, the weighted average can exceed 100%.
Total Weight Base: If the sum of weights is less than 100, the calculated grade is your "current average," not the final grade.
Grade Curves: Some institutions apply curves after calculating the weighted raw score. This calculator provides the raw weighted score.
Rounding Policies: An 89.5% might be an A or a B depending on strict or lenient rounding rules.
Frequently Asked Questions (FAQ)
Does the weight always have to equal 100?
No. If the semester is still in progress, your total weight in the overall grade calculator with weight will be less than 100. The calculator determines your average based on the coursework completed so far.
Can I enter points instead of percentages?
Yes, but you must be consistent. Ideally, convert your points to a percentage (Score / Max Score * 100) before entering them into the Grade field for the best accuracy.
What if my total weight is over 100%?
This usually happens if there is extra credit. The overall grade calculator with weight handles this correctly by dividing the total weighted points by the total weight (e.g., 105).
How do I calculate what I need on the final exam?
Enter your current grades and weights. Then, add a row for the Final Exam with its weight. Experiment with different Grade values in that row until the Final Result matches your target.
Is a weighted GPA the same as a weighted grade?
Not exactly. A weighted grade applies to a single class (0-100 scale). A weighted GPA applies to your entire academic record and often adds points for honors/AP classes (e.g., 5.0 scale). See our GPA Calculator for that.
Why is my grade lower than the simple average?
If you scored lower on assignments with higher weights, your overall grade calculator with weight result will be pulled down, even if you have many high scores on low-weight tasks.
Does this calculator save my data?
No. This is a privacy-focused, client-side calculator. Data is lost if you refresh, so please use the "Copy Results" button to save your work.
What is a good weighted grade?
Generally, 90%+ is an A, 80-89% is a B, etc. However, this depends entirely on your institution's grading scale.
'; // Display raw weighted points contribution usually more helpful
// Re-logic for table: Display contribution to final grade relative to 100
// If weight is 20 and grade is 90, contribution is 18 points.
var points = (gradeVal * weightVal) / 100;
tr.innerHTML =
'
' + nameVal + '
' +
'
' + gradeVal + '%
' +
'
' + weightVal + '
' +
'
' + points.toFixed(2) + ' pts
';
tableBody.appendChild(tr);
}
}
var finalGrade = 0;
if (totalWeight > 0) {
finalGrade = totalWeightedScore / totalWeight;
}
// Update DOM
document.getElementById('finalResult').innerText = finalGrade.toFixed(2) + '%';
document.getElementById('totalWeight').innerText = totalWeight.toFixed(2);
// Calculate points stats
// Actual weighted points earned = sum(grade * weight/100)
var earned = totalWeightedScore / 100;
document.getElementById('pointsEarned').innerText = earned.toFixed(2);
// Max possible points for currently entered weights = totalWeight
// Points lost = (totalWeight – earned) but strictly based on entered rows
// If weight is 20, max pts is 20. If grade 90, earned 18. Lost 2.
var maxPointsForEntered = totalWeight; // since weight usually sums to 100
var lost = (totalWeight – earned * 100) / 100 * 100; // Simplified: sum( (100-grade) * weight/100 )
// Accurate lost calc loop
var totalLost = 0;
for (var j = 1; j = 97) letter = 'A+';
else if (finalGrade >= 93) letter = 'A';
else if (finalGrade >= 90) letter = 'A-';
else if (finalGrade >= 87) letter = 'B+';
else if (finalGrade >= 83) letter = 'B';
else if (finalGrade >= 80) letter = 'B-';
else if (finalGrade >= 77) letter = 'C+';
else if (finalGrade >= 73) letter = 'C';
else if (finalGrade >= 70) letter = 'C-';
else if (finalGrade >= 67) letter = 'D+';
else if (finalGrade >= 60) letter = 'D';
document.getElementById('gradeLetter').innerText = 'Letter Grade: ' + letter;
drawChart(earned, totalLost, totalWeight);
}
function drawChart(earned, lost, totalWeight) {
var canvas = document.getElementById('gradeChart');
if (!canvas.getContext) return;
var ctx = canvas.getContext('2d');
var width = canvas.width = canvas.parentElement.offsetWidth;
var height = canvas.height = canvas.parentElement.offsetHeight;
ctx.clearRect(0, 0, width, height);
// Standard Bar Chart: Earned vs Lost vs Remaining
// Scale is 0 to 100 (or max totalWeight if > 100)
var maxScale = Math.max(100, totalWeight);
// Bar dimensions
var barHeight = 60;
var barY = (height / 2) – (barHeight / 2);
var totalWidth = width – 40; // padding
var startX = 20;
// Calculate widths
var earnedWidth = (earned / maxScale) * totalWidth;
var lostWidth = (lost / maxScale) * totalWidth;
var remaining = maxScale – earned – lost;
var remainingWidth = (remaining / maxScale) * totalWidth;
// Draw Earned (Green)
ctx.fillStyle = '#28a745';
ctx.fillRect(startX, barY, earnedWidth, barHeight);
// Draw Lost (Red)
ctx.fillStyle = '#dc3545';
ctx.fillRect(startX + earnedWidth, barY, lostWidth, barHeight);
// Draw Remaining (Grey)
ctx.fillStyle = '#e9ecef';
ctx.fillRect(startX + earnedWidth + lostWidth, barY, remainingWidth, barHeight);
// Text Labels
ctx.fillStyle = '#333';
ctx.font = 'bold 14px sans-serif';
ctx.textAlign = 'center';
// Labels below bars
if (earnedWidth > 30) {
ctx.fillStyle = '#fff';
ctx.fillText("Earned", startX + (earnedWidth/2), barY + 35);
}
if (lostWidth > 30) {
ctx.fillStyle = '#fff';
ctx.fillText("Lost", startX + earnedWidth + (lostWidth/2), barY + 35);
}
ctx.fillStyle = '#333';
ctx.textAlign = 'left';
ctx.fillText("0", startX, barY + barHeight + 20);
ctx.textAlign = 'right';
ctx.fillText(maxScale.toFixed(0), startX + totalWidth, barY + barHeight + 20);
// Legend
var legendY = 20;
ctx.textAlign = 'left';
// Legend Items
ctx.fillStyle = '#28a745';
ctx.fillRect(startX, legendY, 15, 15);
ctx.fillStyle = '#333';
ctx.fillText("Earned Points (" + earned.toFixed(1) + ")", startX + 20, legendY + 12);
ctx.fillStyle = '#dc3545';
ctx.fillRect(startX + 180, legendY, 15, 15);
ctx.fillStyle = '#333';
ctx.fillText("Lost Points (" + lost.toFixed(1) + ")", startX + 200, legendY + 12);
ctx.fillStyle = '#e9ecef';
ctx.fillRect(startX + 360, legendY, 15, 15);
ctx.fillStyle = '#333';
ctx.fillText("Remaining/Unassigned", startX + 380, legendY + 12);
}
function resetCalculator() {
var container = document.getElementById('rows-container');
container.innerHTML = ";
rowCount = 0;
for(var i=0; i<4; i++) {
addRow();
}
calculate();
}
function copyResults() {
var txt = "Overall Grade Calculator with Weight Results:\n";
txt += "———————————————\n";
txt += "Final Grade: " + document.getElementById('finalResult').innerText + "\n";
txt += "Total Weight: " + document.getElementById('totalWeight').innerText + "\n";
txt += "Letter Grade: " + document.getElementById('gradeLetter').innerText + "\n\n";
txt += "Breakdown:\n";
var rows = document.getElementById('resultTableBody').getElementsByTagName('tr');
for (var i = 0; i < rows.length; i++) {
var cols = rows[i].getElementsByTagName('td');
txt += cols[0].innerText + ": " + cols[1].innerText + " (Weight: " + cols[2].innerText + ")\n";
}
// Create temporary textarea to copy
var tempInput = document.createElement("textarea");
tempInput.style = "position: absolute; left: -1000px; top: -1000px";
tempInput.value = txt;
document.body.appendChild(tempInput);
tempInput.select();
document.execCommand("copy");
document.body.removeChild(tempInput);
var btn = document.querySelector('.btn-success');
var originalText = btn.innerText;
btn.innerText = "Copied!";
setTimeout(function(){ btn.innerText = originalText; }, 2000);
}