Question 1

How does the Grade Calculator work?

Accepted Answer

Add each subject with its obtained marks and total marks. The calculator instantly computes total marks, percentage, letter grade and GPA on a 4.0 scale based on your selected grading system.

Question 2

Which grading systems are supported?

Accepted Answer

US Standard, UK System, IB Diploma, CBSE India and German grading scales are supported through a single dropdown.

Question 3

Can I save multiple students or semesters?

Accepted Answer

Yes. You can create multiple student profiles and semester records that are saved in your browser using LocalStorage.

Question 4

Can I use voice input or scan a marksheet?

Accepted Answer

Yes. The tool supports voice input through the Web Speech API and OCR scanning of marksheet images using Tesseract.js entirely in your browser.

Question 5

How is GPA on a 4.0 scale calculated?

Accepted Answer

Each subject percentage is mapped to a 4.0 grade point and averaged. The final GPA is the weighted average across all subjects.

Question 6

Can I share or export my results?

Accepted Answer

Yes. You can export to Excel (XLSX), copy to clipboard, share via WhatsApp or email, generate a shareable link with encoded data and a QR code.

Question 7

Is my data private?

Accepted Answer

All calculations and storage happen entirely in your browser. No data is uploaded to any server.

Question 8

Is this calculator really free?

Accepted Answer

Yes, the Grade Calculator is 100% free forever with no sign-up required.