ISC Percentage Calculator Online

Are you a student eagerly awaiting your ISC (Indian School Certificate) exam results? Do you constantly calculate and recalculate your percentage to estimate your performance?

ISC Percentage Calculator

Online ISC Percentage Calculator relieves some of the stress associated with calculating your final percentage. Gone are the days of manual calculations, cross-checking formulas, and worrying about accuracy. With these online calculators, you can effortlessly calculate your ISC percentage with just a few simple steps.

Not only does the ISC Calculator save you valuable time and effort, but it also eliminates any chances of miscalculations or errors. You can trust its accuracy, knowing that it follows the official ISC grading guidelines precisely.

How to Calculate ISC Percentage?

Here are the steps to use the ISC percentage calculator

The weighted average approach is utilized to calculate the percentages for the ISC 12th result. In order to determine the percentage for class 12th ISC, the following steps need to be followed:

Step 1: Add together the scores of the three subjects with the highest marks, along with the marks obtained in English, which is a compulsory subject. 

Step 2: Divide the total score by 400. 

Step 3: This will yield an average score. 

Step 4: Multiply the average score by 100.

It's important for students to keep in mind that English is a mandatory subject in this process.


Let’s understand through an example how to use the ISC percentage calculator.

Let's say your total marks in the best 4 subjects is 380 out of the total maximum marks of 400. To calculate your ISC percentage, you would perform the following calculation:

ISC Percentage = (380 / 400) * 100 = 95%

So, in this example, your ISC percentage would be 95%.

If you have been wondering how to calculate ISC percentage, the above steps and examples would help you. ISC percentage calculation 2024-25 is a hassle-free task.

ISC Grading System

To understand the ISC percentage calculator it is important to understand the grading system of ISC. In the ISC Grading System, the percentage range achieved by a student determines their corresponding grade and grade point. This system helps in assessing and evaluating the performance of students based on their marks.

Refer to the ISC grading table below:

Percentage Range


Grade Point

90% and above





















Below 33%


It's important to note that grading systems can differ in grading scales, grade ranges, and grade point systems. ISC used alphabetic grades (e.g., A, B, C) as in the table.

Key Features of ISC Class 12th Percentage Calculator

ISC percentage calculator has great features.


The ISC Class 12th Percentage Calculator offers several key features that make it a valuable tool for students. Here are some of its prominent features:

  1. Accuracy: The calculator ensures accurate calculations based on the official ISC grading system. 
  2. User-Friendly Interface: The calculator is designed with a user-friendly interface, making it easy for students to input their subject-wise marks and obtain the final percentage.
  3. Comprehensive Calculation: The calculator considers subject-wise marks, including theory and practical scores if applicable, to calculate the overall ISC percentage.
  4. Time-Saving: By automating the calculation process, the ISC Percentage Calculator saves students valuable time. 
  5. Instant Results: Once students input their marks, the calculator generates the ISC percentage instantly. 

The ISC Class 12th Percentage Calculator simplifies the calculation process and empowers students to understand their academic performance accurately.

FAQs on ISC 12th Percentage Calculator Online

Ans: The ISC percentage calculator is an online tool designed to calculate the percentage for students of the ISC (Indian School Certificate) Class 12th exams.

Ans: Yes, however, it’s essential to input the correct marks to obtain accurate results for ISC marks calculation.

Ans: Yes, the ISC percentage calculator can calculate percentages for students from all streams, including Science, Commerce, and Humanities.

Ans: Some websites may provide it as a free resource, while others may have certain limitations or premium features associated with a subscription or payment.