Free Grade Calculator - Weighted Average & Final Exam

Calculate your weighted course grade from assignments and exams, or find out what score you need on the final to hit your target.

AssessmentScore %Weight %

Current weighted average

84.00%

Based on 3 graded items totaling 70% of the course weight - remaining weight is not yet graded

Grade Calculator for Weighted Courses and Finals

Work out exactly where you stand in a course by entering each assessment with its score and weight. The calculator multiplies every score by its weight, divides by the total weight entered, and shows your current weighted average as you type. Add or remove rows freely for homework, quizzes, labs, midterms, and projects, and the total tracked weight is displayed so you can see how much of the course is still open.

The second mode answers the question every student asks before finals week: what do I need on the exam? Enter your current grade, the weight of the final, and the grade you want, and the tool solves for the required exam score. If the answer comes out above 100 percent it tells you plainly that the target is out of reach, and if it is at or below zero you know the target is already secured.

The math follows the standard weighted average formula used by most universities and high schools: final course grade = current grade x (1 - final weight) + exam score x final weight. Rearranged, the required exam score is (desired - current x (1 - w)) / w. Because everything is percentage-based it works with any grading scheme you can express in percent.

A worked example: with an 82% average and a final worth 40% of the course, reaching 90% overall requires (90 - 82 x 0.6) / 0.4 = 102%, which is impossible, while reaching 85% needs a very doable 89.5%. Running a few targets through the calculator before you plan revision time shows which goals are realistic.

Converting between grading systems? The Percentage to CGPA Calculator on ToolForte translates percentages to the Indian 10-point scale and the American 4-point GPA, which is essential when preparing international applications. The GPA Calculator averages letter grades across whole courses and semesters, giving you the transcript-level view while this tool covers the single-course math. All three pair naturally during exam season, they are free, and they run entirely in your browser, so your grades never leave your device.

How the Grade Calculator Works

  1. 01In Weighted Grade mode, add a row per assessment with its name, score, and weight.
  2. 02The current weighted average updates instantly, with the total weight tracked so far.
  3. 03Switch to Final Grade Needed mode to plan for an exam.
  4. 04Enter your current grade, the final's weight, and your target to see the required exam score.

Planning Your Grade Before Finals

A weighted course grade is the sum of each score times its weight, divided by the total weight. This calculator keeps a running average as you add rows, so you can enter just the graded work so far and see where you stand, then add hypothetical scores for upcoming work to model scenarios. The total weight indicator matters: if your entered weights sum to 60%, the average reflects only that graded portion, and the remaining 40% is still to play for. The Final Grade Needed mode solves the planning question directly with the formula required = (target - current x (1 - w)) / w, where w is the final's weight as a decimal. Run your dream grade and your safe grade through it: if the dream grade needs more than 100% you can stop stressing about it, and if the safe grade needs less than your average quiz score you can sleep. Recheck after every graded assignment, because each result shifts both your current average and the required final score.

When to Use the Grade Calculator

Use it at three moments in a term: after each graded assessment to track your standing, before finals to compute exactly what the exam must yield for each possible course grade, and when choosing where to spend limited study time across courses. It is equally useful for teachers sanity-checking a gradebook formula and for parents helping students set realistic targets instead of vague hopes.

Common Use Cases

  • Track your weighted average through the semester as grades come in.
  • Find the exam score needed to keep a scholarship-qualifying grade.
  • Model best-case and worst-case course outcomes before finals week.
  • Decide which of two courses needs the study hours more.
  • Convert the result to CGPA for international applications. → Percentage to CGPA Calculator

Expert Tips

  • Enter upcoming assignments with estimated scores to forecast your final grade, then replace estimates with real results as they arrive.
  • If the required final score is within 5 points of 100%, treat the target as practically out of reach and plan for the next grade down.
  • Weights sometimes hide in syllabus language: drop-the-lowest-quiz policies effectively change weights, so recompute after drops are applied.

Frequently Asked Questions

Do my weights have to add up to 100?→
No. The average is computed over the weight you have entered, and the tool shows the total so you can see how much of the course is still ungraded.
What if the required final score is over 100%?→
The calculator flags it as unreachable so you can adjust your target. Unless your course offers bonus points, a required score above 100% means picking a lower goal.
Can I use points instead of percentages?→
Convert points to percentages first (score divided by maximum times 100). The weighted math is identical after that.
Does it work for letter grades?→
Convert letters to your school's percentage midpoints first. For letter-grade GPA averaging across courses, use a GPA calculator instead.

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