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Calculators for exams, studies, money, dates and health, free and in your browser.
Most used
Your exact age by date of birth, in years, months and days and down to seconds.
Percentages of numbers, marks as a percentage, and percentage increase or decrease.
Convert a CGPA to a percentage and back, with CBSE’s formula or your university’s.
Your score with negative marking, from your right and wrong answers.
Days between two dates, and a date plus or minus days, weeks, months or years.
Monthly instalment, total interest and a year-by-year schedule for any loan.
What a monthly SIP or a lump sum could grow to at an expected return.
Simple and compound interest on a deposit or a loan, for any rate and time.
Add GST to a price or take it out, with the CGST, SGST and IGST.
Your body mass index from height and weight, and the healthy weight for your height.