Everyday calculators
Quick answers for percentages, ages, exam age limits, dates and discounts.
- Percentage calculator18% of ₹2,500: ₹450
- Age calculatorDate of birth: years, months and days
- Exam age calculatorBorn 15 May 2000, UPSC 2026: 26 years, eligible
- Date calculator1 January to 1 April 2027: 90 days
- Discount calculator₹2,999 with 40% then 10% off: ₹1,619
Which one should I use?
- Percentage calculator — find X% of a number, what percent one number is of another, a percentage change, or your marks percentage.
- Discount calculator — find the sale price and your saving in ₹ for any % off. It also handles stacked offers: 20% off followed by 10% off is 28% off, not 30%.
- Age calculator — your exact age in years, months and days from your date of birth, or your age as on any date.
- Exam age calculator — your age on an exam cutoff date and whether you are within the UPSC or SSC limit, with category relaxation.
- Date calculator — count the days between two dates, or add and subtract days, weeks or months.
Shopping? Use the discount calculator. For any other percentage, use the percentage calculator. Filling in a form that asks your age on a date? Use the age calculator. Applying for UPSC or SSC? Use the exam age calculator. Counting days to a deadline? Use the date calculator.
Need to add or remove GST on a price as well? Use the GST calculator in the tax section. It splits the tax into CGST and SGST, or IGST.
For education only. Results are estimates. Check important numbers before you rely on them.