Grade Calculator - Weighted Average, CGPA and Letter Grade
Add your assignments, quizzes, and exams with their weights to find your overall grade. Supports Indian 10-point CGPA, CBSE 9-point grading, and US letter grades. See exactly what score you need on remaining exams to hit your target. Updated June 2026.
Grade Calculator
Enter the grade and weight of each assignment to find your current overall grade
| # | Grade | Weight % | |
|---|---|---|---|
| 1 | |||
| 2 | |||
| 3 | |||
| 4 |
Show result as
Final Grade Calculator
Find the score you need on your final exam to reach a desired overall grade
Not achievable. You would need 101.7% on the final exam, which exceeds 100%.
Your maximum possible overall grade with a perfect 100% final is 89.5%.
US letter grade scale
| Percentage range | Grade | GPA |
|---|---|---|
| 97% and above | A+ | 4.0 |
| 93% to 96.99% | A | 4.0 |
| 90% to 92.99% | A- | 3.7 |
| 87% to 89.99% | B+(yours) | 3.3 |
| 83% to 86.99% | B | 3.0 |
| 80% to 82.99% | B- | 2.7 |
| 77% to 79.99% | C+ | 2.3 |
| 73% to 76.99% | C | 2.0 |
| 70% to 72.99% | C- | 1.7 |
| 67% to 69.99% | D+ | 1.3 |
| 63% to 66.99% | D | 1.0 |
| 60% to 62.99% | D- | 0.7 |
| 0% to 59.99% | F | 0.0 |
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What is a Grade Calculator?
A grade calculator is a tool that computes your overall course grade by combining the scores of individual assignments, quizzes, projects, and exams according to the weight each component contributes to the final result. Rather than manually multiplying each percentage by its weight and adding everything up by hand, the calculator does this instantly and accurately, and also converts the resulting percentage into the letter grade or grade point used by your school, college, or university.
Most courses do not weigh every assessment equally. A weekly quiz might count for 10% of the final grade while the end-of-semester exam counts for 50%. Calculating your true overall standing requires a weighted average, not a simple average of percentages, and getting this wrong is one of the most common grade-tracking mistakes students make.
This page actually has two separate calculators, matching the structure used by most popular grade-calculator tools. The first, the Grade Calculator, takes a list of letter grades (or direct percentages) and their weights and computes your current overall grade. The second, the Final Grade Calculator, is a standalone tool that answers a different question entirely: given your current grade, the weight of work completed so far, and a desired final grade, what score do you need on the remaining final exam to get there?
Results from the Grade Calculator can be displayed in three grading systems used across India and abroad: the UGC-recommended 10-point CGPA scale used by most Indian colleges and universities, the CBSE 9-point scale used for Class 9 and 10 results, and the US letter grade system (A through F with a 4.0 GPA scale).
How weighted grade calculation works
A weighted grade reflects the relative importance your instructor or institution assigns to each component of the course. The formula is straightforward once broken into steps.
Step-by-step example: 3 assignments worth different weights
Note: An unfinished component with a 0 score correctly pulls down your running average. Use the target-grade solver to find what you need on it instead of treating it as a zero.
The weighted average formula
What score do you need on your final exam? The reverse calculation
One of the most useful applications of a grade calculator is working backward: given your current grades and a target overall percentage, what score do you need on the remaining exam or assignment? This is solved by rearranging the weighted average formula.
The target score formula
Example: you have completed 50% of the course weight with a combined weighted score of 38, and the remaining 50% weight is the final exam. To reach a 75% overall grade:
This result exceeds 100%, meaning a 75% overall grade is not achievable given the completed scores. The calculator above flags this automatically and shows your maximum possible overall grade instead.
Indian 10-point CGPA grading system - UGC pattern
Most Indian universities and engineering colleges (AICTE-affiliated institutions, Anna University, VTU, and many state universities) follow the UGC-recommended 10-point absolute grading system. This converts percentage scores into a grade letter and a numeric grade point, which is then used to compute the semester GPA and cumulative CGPA.
| Percentage range | Grade | Description | Grade point |
|---|---|---|---|
| 90% and above | O | Outstanding | 10 |
| 80 to 89% | A+ | Excellent | 9 |
| 70 to 79% | A | Very Good | 8 |
| 60 to 69% | B+ | Good | 7 |
| 50 to 59% | B | Above Average | 6 |
| 45 to 49% | C | Average | 5 |
| 40 to 44% | P | Pass | 4 |
| Below 40% | F | Fail | 0 |
Note: Some universities use relative grading (grading on a curve based on class performance) instead of this absolute scale. Always check your specific institution's academic regulations, as the exact percentage cutoffs can vary by a few points between universities.
CBSE 9-point grading scale - Class 9 and 10
The Central Board of Secondary Education uses a 9-point grading scale for Class 9 and 10 internal and board assessments. Unlike the UGC scale, this is specifically designed for school-level reporting and uses a different letter notation.
| Marks range | Grade | Grade point |
|---|---|---|
| 91 to 100 | A1 | 10 |
| 81 to 90 | A2 | 9 |
| 71 to 80 | B1 | 8 |
| 61 to 70 | B2 | 7 |
| 51 to 60 | C1 | 6 |
| 41 to 50 | C2 | 5 |
| 33 to 40 | D | 4 |
| 21 to 32 | E1 | Needs improvement |
| Below 21 | E2 | Needs improvement |
Converting CGPA to percentage - the multiplication factor
Many job applications, higher education admissions, and government forms ask for your percentage rather than CGPA. CBSE and most Indian universities use a standard conversion formula.
Example: CGPA of 8.4 = 8.4 x 9.5 = 79.8%. This is the official CBSE-prescribed conversion used on most academic and government documentation.
Example: CGPA of 8.4 = (8.4 minus 0.75) x 10 = 76.5%. This formula is commonly used by AICTE-affiliated engineering colleges, though the exact formula can vary by university, so check your institution's official conversion certificate.