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BestGPACalculator
Assignment-weighted average

Weighted Grade Calculator

Add your assignments or category buckets with their weights — get a live weighted average and letter grade. Works for any syllabus.

No signupMobile-first5 weighting scales
Your weighted GPA
4.42
Unweighted: 3.86
APAP Calculus BC
A
HONHonors English
A-
REGChemistry
B+
Live Update
Match your school
5 scales built-in
Weighted course average
83.40%B
Weight total: 100
Assignment / CategoryScoreOut ofWeight (%)%
88.0%
82.0%
78.0%
85.0%
Updated Reviewed by BestGPACalculator Editorial TeamMethodology →

When to use a weighted grade calculator

Definition
Weighted grade

A course percentage computed as the weighted average of your scores across categories or assignments — each multiplied by its share of the final grade.

Any time a syllabus assigns different weights to different work (which is most courses), you need a weighted grade calculator. A flat average is only correct when every assignment is equal — rare in modern courses. Most grade portals (Canvas, PowerSchool, Skyward) do this math automatically, but they can be wrong if the gradebook setup is incomplete; this calculator lets you check.

Formula
Σ (score × weight) ÷ Σ (weights)
Output
Percentage + 10-point letter grade
Common syllabi
Tests 40% / HW 30% / final 30%, or category split
Letter cutoffs
A 93, A− 90, B+ 87, B 83, B− 80 (10-point scale)

Two ways to set up the calculator

  1. By category — one row per category (homework, quizzes, tests, final). Enter the category percentage and its syllabus weight.
  2. By assignment — one row per individual assignment. Enter score / max / weight directly.

Related tools

Frequently asked questions

What is a weighted grade calculator?

A weighted grade calculator computes your course average when assignments or categories contribute different shares of the final grade. Instead of averaging raw scores, it multiplies each percentage by its weight and divides by the total weight.

Weighted grade vs weighted GPA — what's the difference?

A weighted grade is the percentage for one course (e.g. 87% in Algebra II). A weighted GPA converts letter grades across multiple courses into grade points with bonuses for harder classes (AP, Honors, IB). Use the weighted grade calculator per course, the weighted GPA calculator across all your courses.

How do I assign weights?

Weights come from your syllabus. Common patterns: tests 50% / homework 30% / participation 20%, or homework 25% / quizzes 15% / midterm 25% / final 35%. Whatever the syllabus says, enter each category as a row with its percentage weight.

Can I weight individual assignments instead of categories?

Yes — just enter each assignment as its own row with its point value or weight. The calculator treats each row as one weighted item regardless of whether it's a category or a single assignment.

Do my weights have to sum to 100?

No. The calculator divides the weighted sum by the actual total of your weights. If they sum to 80, 100, or 250, the math is the same. But if your syllabus says they should equal 100, check that yours do — missing weight usually means a missing category.