Calculators and math utilities
Calculate percentages, increases, and decreases
Calculate sale prices and savings
Calculate your Body Mass Index
Calculate exact age from date of birth
Calculate tips and split bills easily
Calculate monthly payments and interest
Generate random numbers in any range
Check if a number is prime
Calculate greatest common divisor and least common multiple
Full-featured scientific calculator
Create professional invoices with line items, tax, and print/download as PDF
Calculate GST instantly — add or remove GST with CGST/SGST breakdown
Calculate your exact age in years, months, days — with zodiac sign and birthday countdown
Calculate monthly EMI for home, car, or personal loans instantly
Calculate returns on your monthly SIP investment with compounding
Calculate percentages, percentage change, and what percent of a number
Calculate your Body Mass Index and find your healthy weight range