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How to Calculate Grades

Created By : Jatin Gogia
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023

How to Calculate Grades for a Class? - Grade Calculation Based on Percentages & Weights

How to Calculate Grades in College / High School: Looking for the perfect guide that can clearly explain to you how to calculate grades in college or high school? This is the correct page for you all. Here is the best approach to track on your own progress if your teachers failed to it sometimes. In this guide, students can learn how to calculate gradesin various methods like with percentages, weights, etc. along with the solved examples. Let’s dive into below modules without any further ado. 

How To Calculate Grades With Percentages? 

The following points are so important to follow while calculating grades as per your class or college or high school grading scale. Let's look at the steps: 

  • First and foremost, identify the grading scale of your study grades. 
  • Teachers provide his/her point system generally. 
  • Look at the points scored in each assignment (i.e. midterm–30%, quizzes–25%, etc.)
  • Gather all the course-related or class grades in percentages. 
  • Now, each course grade is calculated by multiplying the student's gained percentage grade by the item's relative weight (point value).
  • Add all the gained scores by the students for all graded items. 
  • Now, total the relative weight or point values for all graded items. 
  • Finally, grades can be calculated by dividing the student's score by the total point and then multiplying the result by 100.

The simple formula for calculating the grades based on percentage is as follows: 

Class grade in percentage form = (points earned / points possible) ×100

Solved Example on How are Grades Calculated in a Percentage? 


Let’s say that a student scored 75/100, 80/100 and 95/100 points. Now, calculate the grades so far? 


Given that, 

Points earned are 75, 80, 95

Total points are 100 for each score

To find the grades for class in percentage, apply the formula ie., (points earned / points possible) × 100

= 75+80+95/ 100+100+100 x 100

= 250/300 x 100

= 0.83 x 100

= 83%

Hence, the class grade for the scores you obtained in percentage is 83%. 

How to Convert a Grade to Percentage?

The following table shows the letter grades and percentage grades for the scored GPA. This helps easily to convert grade to percentage but remember that this table is general estimated and common GPA Scale Conversions. For exact calculation try to check out the college or high school grading system and convert into percentages or letter grades. 

Letter Grade










































Tips To Improve Your Grades

Want to improve yourself in the academics and stand out from the crowd? Scoring the highest grades is most important and to do that there are various things you can opt. Motivation & Boosting up your confidence can make you achieve everthing you require in life.

Just like that you can also be on the road to success by following some of the tips to improve your class grades or semester grades for a class or course: 

  • Grab all the extra effort points from teachers by submitting the homework assignments on time. 
  • Be in touch with your teacher and ask for suggestions or extra classes for clarifying the doubts to gain additional scores at the end. 
  • Seek help to understand the course material, as soon as possible opt a tutor or a friend who can help you out in understanding the course clearly. 
  • Always practice the good learning and study habits
  • Most effective tip for the day is commiy with your study plan and make it success with your hardwork, focus, and consistency. 

FAQs on How to Calculate Grades in College & High School?

1. How to calculate the grade average? 

The steps you have to follow to find the grade average are listed here: 

Firstly, product each and every grade by the credits or weight given to it. 

Sum up all the weighted grades (or non-weighted grades) together.

In this next step, we have to divide the total number of grades you added together. 

Finally, verify the result with the GPA calculator of your college or high school. 

2. How are grades calculated for grading? 

For grading the class grades using a point system, first, you will add the total number of points earned for each assignment. Later on, take the result and divide it by the total potential points you could have gained. Lastly, multiply the outcome by 100%. 

3. What's a passing grade? 

D- is a passing grade. On the GPA scale, you have to earn 2.0 and above both overall GPA and major GPA to graduate and move on to the next academic career. 

4. What is the formula for calculating weighted average grade in percent? 

The formula to calculate the grade with weight in percent is equivalent to the sum of the product of the weights (w) times the grade (g). Check the expression below: 

Weighted grade = w1×g1+ w2×g2+ w3×g3+...

5. What is the formula used for weighted grade calculation in points or hours?

The weighted grade calculation formula not in percent is as follows:

Weighted grade = (w1×g1+ w2×g2+ w3×g3+...) / (w1+w2+w3+...)


We believe the shared data on calculating the grades help students to some extent. Still, confused about How to Calculate Grades and Final Grades with percentage or weights just drop a comment below and we will get back to you soon with the best solutions. Keep in touch with our site to get more updates on grading systems, GPA, Cumulative GPA, and many more.