Grade Calculator
EverydayCalculate your overall percentage and grade from marks across multiple subjects. Supports CBSE, ICSE, and state board grading scales for Indian students.
Reviewed by the thecalcu.com team ยท Last updated 23 July 2026
Set "Out of" to 0 to skip a subject. 5 subjects included.
Overall Percentage
0%
Grade Point
0 / 10
Total Marks
0 / 0
Subjects
5
Subject-wise
What is a Grade?
The Grade Calculator works out your overall percentage and letter grade across multiple subjects, correctly handling cases where subjects carry different maximum marks. It sums marks obtained and maximum marks separately across every subject before dividing, which is the only mathematically correct way to combine subjects, averaging individual subject percentages gives a wrong answer the moment maximum marks differ between subjects.
Marks and grades sit at the center of nearly every educational milestone in India, board exam results, university semester marksheets, scholarship eligibility, and job application forms all hinge on an accurate aggregate percentage. This calculator supports both the CBSE/ICSE percentage system and the UGC-CBCS 10-point grade point system used by most Indian universities, so whichever marksheet format you're working from, you can enter marks for up to six subjects and get your aggregate percentage, grade, and grade point in one step. Pair it with the Percentage Calculator for quick single-subject checks, or the GPA / CGPA Calculator if your marksheet already reports grade points and credits rather than raw marks.
Who Should Use This Calculator?
School students in Classes 9 through 12 working out their aggregate percentage from board exam marks, whether for college admission cutoffs, scholarship eligibility, or just to know where they stand before results day.
University students computing semester results and checking whether they clear the eligibility bar for placements, postgraduate admissions, or government job applications that specify a minimum aggregate percentage.
Parents wanting a quick, independent check on a child's overall performance across subjects before a report card conversation with a teacher.
Teachers and exam coordinators processing class results at scale, who need a fast way to verify aggregate percentages without a spreadsheet for every student. The Average Calculator is handy alongside this one for working out simple class-wide averages once individual aggregates are done.
How to use this Grade calculator
- Select your Grading System, CBSE/ICSE percentage or UGC-CBCS grade point, depending on which scale your institution uses.
- For each subject, enter the Marks Obtained and the Total Marks (the maximum possible for that subject).
- Leave any unused subject's Total Marks field at 0, the calculator skips it automatically rather than counting it as a zero score.
- Check the highlighted Overall Percentage result, along with the corresponding grade point for your selected scale.
- Open the Steps panel to see how each subject's individual percentage feeds into the total.
- Use the bar chart to compare performance across subjects at a glance.
What Insights Does the Grade Calculator Give You?
Overall Percentage is the headline figure, and it's the number colleges, employers, and scholarship committees actually look at, it's derived correctly from total marks obtained over total maximum marks, not from averaging individual subject percentages, which matters whenever subjects carry different maximum marks.
Letter Grade and Grade Point translate that percentage into whichever scale your marksheet uses, whether that's CBSE's 9-point A1-to-E bands or UGC-CBCS's 10-point scale, useful for quickly checking where a specific score falls without cross-referencing a grade table by hand. Total Marks Obtained and Maximum Marks show the raw numerator and denominator behind the percentage, which is worth a glance if a number looks off, since it usually traces back to a subject total entered incorrectly.
Show formula & methodology โShow less โ
Formula & Methodology
Total marks obtained = Sum of all subject marks Maximum marks = Sum of all subject totals Overall percentage = (Total marks obtained รท Maximum marks) ร 100CBSE grade scale: | Percentage | Grade | Grade Point | |---|---|---| | 91-100% | A1 | 10 | | 81-90% | A2 | 9 | | 71-80% | B1 | 8 | | 61-70% | B2 | 7 | | 51-60% | C1 | 6 | | 41-50% | C2 | 5 | | 33-40% | D | 4 | | Below 33% | E (Fail) | 0 | Worked example, five subjects, all out of 100:Marks: 78, 85, 72, 91, 68 Total obtained = 394 Maximum marks = 500 Percentage = 394 รท 500 ร 100 = 78.8% Grade = B1 (71-80%) โ Grade Point = 8
Common Mistakes to Avoid
Averaging subject percentages instead of using total marks is the single most common error, and it produces a meaningfully wrong answer whenever maximum marks aren't identical across subjects. Say four subjects are scored 80/100 each and a fifth is a project worth 60/200, averaging the five percentages (80, 80, 80, 80, 30) gives 70%, but the correct total-marks method gives (80+80+80+80+60) รท 600 ร 100 = 63.3%. That's a meaningful gap if a cutoff sits at 65%.
Forgetting to set an unused subject's Total Marks field to 0 is another frequent slip, leaving a default value in an unused row silently pulls the average down. And mixing up which grading system applies matters too: entering marks correctly but reading the CBSE grade column when your institution actually uses UGC-CBCS grade points gives you the wrong grade even though the percentage itself is right.
Frequently Asked Questions