Education & Exams Hub
Free calculators for grades, percentages, student loans and study planning. Grading systems differ by country and institution, so use these tools to estimate and check your own regulations.
Which calculator should I use?
Start with the situation you are in. Each option below opens the calculator that fits it.
I finished one semester
SGPA Calculator
Enter each subject's grade and credits to get your semester grade point average on the 10-point scale.
Open calculatorAn application asks for a percentage
CGPA to Percentage Converter
Convert your CGPA using a multiplier, a custom formula or a proportion, or turn a percentage back into CGPA.
Open calculatorI have marks from each exam
Percentage Calculator
Work out a percentage from one score, or combine several subjects with their own totals.
Open calculatorI am planning to repay a student loan
Student Loan Calculator
See your monthly payment and total interest, and how an extra payment each month shortens the loan.
Open calculatorI need to finish a book or syllabus
Pages Per Day Calculator
Set a daily target from your deadline, or find your finish date from the pace you already keep.
Open calculatorGrading scales at a glance
Find the scale your results use. Then choose the calculator that matches it.
| Scale | Where you see it | Calculator | Good to know |
|---|---|---|---|
| 10-point grade points | Many universities list grades such as O, A+, A and B+ with points out of 10. | SGPA Calculator | Edit the grade-point table to match your regulations before you rely on the result. |
| 9.5 multiplier on a 10-point CGPA | A widely used factor for converting a 10-point CGPA into a percentage, for example by CBSE. | CGPA to Percentage Converter | Use the "Multiply by a factor" method. Many universities publish their own formula instead. |
| Custom university formula | Some universities publish a formula of the form (CGPA - a) x b with their own values. | CGPA to Percentage Converter | Use the "Custom formula" method and enter the values from your institution. |
| 4.0 or 5.0 GPA scale | Common in the United States and some other systems. There is no single official percentage conversion. | CGPA to Percentage Converter | The proportion method gives a rough estimate only. Use the method your receiving organisation specifies. |
| Exam marks out of a total | Marks such as 432 out of 600, or several subjects with different totals. | Percentage Calculator | Quick-fill buttons cover common totals such as 100, 500, 600 and 1100. |
All education calculators
SGPA Calculator
Calculate your semester grade point average (SGPA) on the 10-point scale from grade points and credits.
CGPA to Percentage Converter
Convert CGPA to an approximate percentage, or a percentage back to CGPA, using a formula you can match to your institution.
Percentage Calculator
Work out your exam percentage from marks obtained and total marks, for one score or several subjects.
Student Loan Calculator
Estimate your monthly student loan payment and total interest, and see how extra payments shorten the loan.
Pages Per Day Calculator
Work out how many pages or chapters to study each day to finish a book or syllabus by your deadline.
All results are estimates for planning. Check your university or board's official regulations before using a figure in an application, and confirm loan terms with your lender.