Grade Calculator
Calculate your final grade based on weighted assignments. Find what score you need on remaining work to achieve your target grade.
About the Grade Calculator
A grade calculator is the essential academic tool for students who need to know exactly where they stand in a course, what score they need on upcoming assignments, and how to strategise the rest of their semester for the best possible outcome. With over 735,000 monthly searches, it is one of the most searched academic tools on the internet — because grades directly affect scholarships, GPA standing, graduate school admissions, athletic eligibility, and career opportunities. Our free grade calculator handles every grading scenario: simple average grading, weighted category grading (where finals count more than quizzes), point-based systems, and percentage-based scales. It works with letter grades (A through F), percentage scores, and the raw points systems used in many university courses. Compatible with US grading scales, UK A-Level and GCSE scales (A* through U), the Australian grading system, the Canadian percentage system, and International Baccalaureate point scales. Whether you are a high school student trying to make the honour roll, a university student monitoring probation status, or a parent tracking your child's progress across multiple subjects, this calculator gives you the precise numbers you need instantly.
Formula
Weighted Grade = Sum of (Score% x Weight%) | Required Final = (Target minus Current x Completed Weight) / Final Weight
How It Works
For a simple unweighted average: add all your scores together and divide by the number of assessments. If you scored 85, 78, 92, and 71 on four tests, your average is (85+78+92+71) / 4 = 326 / 4 = 81.5%. For a weighted grade system — the most common format in colleges and universities — multiply each category score by its weight and sum the results. Example: Homework 20% weight (score 88%) + Quizzes 25% (score 76%) + Midterm 25% (score 81%) + Final Exam 30% (score 90%) = (0.20x88) + (0.25x76) + (0.25x81) + (0.30x90) = 17.6 + 19.0 + 20.25 + 27.0 = 83.85%. The "what do I need on the final exam?" reverse calculation works backward from your target grade. Required Final Score = (Target Grade % minus Current Running Weighted Score) divided by Final Exam Weight. Example: you need 83% overall, your current weighted score with 70% of the course complete is 80%, and the final is worth 30%: Required Final = (83 minus 80 x 0.70) / 0.30 = (83 minus 56) / 0.30 = 27 / 0.30 = 90%. You need a 90% on the final to reach your target B.
Tips & Best Practices
- ✓Always verify that your syllabus weights add up to exactly 100% — professors sometimes have rounding errors in their course outlines that affect your final grade calculation.
- ✓The "what do I need on my final" feature eliminates exam anxiety: knowing you only need a 68% to keep your A removes panic and lets you study strategically rather than desperately.
- ✓A "drop lowest grade" policy, common in large lecture courses, can significantly raise your average — always calculate both with and without your lowest score to see the full benefit.
- ✓Grade boundaries matter enormously: the difference between 89.4% and 89.5% can mean a B+ versus an A- depending on your professor's rounding policy — always clarify this before finals.
- ✓Extra credit assignments typically add 1-3 percentage points to your final grade — often enough to cross a critical grade boundary if you are close to the cutoff.
- ✓UK A-Level grading: an A* requires 90%+ overall AND 90%+ on the A2 component specifically — the overall percentage average alone is not sufficient to earn the top grade.
- ✓For courses graded on a curve, your absolute score matters less than your percentile rank — knowing the class average and standard deviation tells you far more than your raw score alone.
- ✓GPA impact: the difference between an A- (3.7) and a B+ (3.3) in a 4-credit course moves your semester GPA by 0.16 points — small grade differences have real cumulative consequences over four years.
Who Uses This Calculator
High school students use the grade calculator weekly to monitor standing across all subjects, track progress toward honour roll, and identify which classes need the most attention before midterms and finals. University students use it to determine whether their current trajectory will meet GPA requirements for financial aid, scholarships, honour societies, or graduate school applications. Parents use it to review their children's academic standing and identify problem areas early enough to arrange tutoring or extra support before it is too late. Teachers and professors use it to demonstrate grading transparency — showing students exactly how each assignment weight affects their final mark builds trust and reduces grade disputes at semester end. Academic advisors use it with students on academic probation, calculating the exact grades needed across all remaining courses to achieve the minimum GPA required for good standing. Graduate school applicants use it to model their final undergraduate GPA and determine whether a strong performance in their last semester can realistically move them to their target. Athletic departments monitor student-athlete eligibility requirements in real time during the semester using grade calculators. The tool is equally valuable for students in professional programmes — nursing, law, medicine, accounting — where minimum grade requirements exist for individual courses regardless of overall GPA standing.
Optimised for: USA · Canada · UK · Australia · Calculations run in your browser · No data stored
Frequently Asked Questions
How do I calculate my final grade?
Multiply each assignment score by its weight percentage and sum the results. Example: Midterm 85% × 40% weight + Final 90% × 60% weight = 34 + 54 = 88% final grade.
What score do I need on my final exam to pass?
Use the formula: Required Final = (Target Grade − Current Weighted Score) ÷ Final Exam Weight. Example: Need 70% overall, currently have 65% with 70% complete, final worth 30% → Required = (70 − 65×0.7) / 0.3 = (70 − 45.5) / 0.3 = 81.7%.
What is a weighted grade calculator?
A weighted grade calculator accounts for the different importance of each assignment category. Homework worth 20%, quizzes 30%, and a final exam worth 50% — each score contributes proportionally to your total grade.
How do letter grades convert to percentages?
Standard US conversions: 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 = 60–69%, F = below 60%.
Can I still get an A if I failed one assignment?
Yes — it depends on the weight of the failed assignment. If homework is only 10% of your grade and you scored 0%, you lose only 10 percentage points. Use the grade calculator to enter all your scores and see exactly where you stand.
How does a drop lowest grade policy work?
Many courses drop your lowest quiz or homework score. Enter all your grades first, note your lowest-weighted score, remove it, and recalculate. This can raise your grade by 2–5 percentage points in quiz-heavy courses.
What GPA does an 85% grade correspond to?
An 85% typically corresponds to a B (3.0 GPA points) on the standard 4.0 scale. An 87–89% is a B+ (3.3), 83–86% is a B (3.0), and 80–82% is a B− (2.7). Check your school syllabus as cutoffs vary.
How do UK grade boundaries differ from US grades?
In the UK, A* requires 90%+, A = 80–89%, B = 70–79%, C = 60–69%, D = 50–59%, E = 40–49%, U (fail) is below 40%. These boundaries apply to GCSEs and A-Levels and differ from the US A/B/C scale.
How do I calculate my grade if my professor uses points instead of percentages?
Divide your earned points by total possible points to get a percentage. Example: 47 out of 60 points = 47/60 = 78.3%. If categories use points with different totals, convert each to a percentage first, then apply the category weights.
What is a good strategy if I am close to a grade boundary?
Focus your effort on the highest-weighted upcoming assignments first. A 5% improvement on a final worth 40% raises your overall grade by 2 points — far more than a 5% improvement on homework worth 10% (only 0.5 points). Use the calculator to model different scenarios.