Numbers & Calculators
Financial calculators, mathematical utilities, and number converters — all in your browser. Calculate loan payments, BMI, compound interest, EMI, GST, and more without creating an account.
Percentage Calculator
Calculate % of, % change and % difference in one tool.
Open tool →Roman Numeral Converter
Convert numbers to and from Roman numerals.
Open tool →Base Converter
Convert between binary, octal, decimal and hexadecimal.
Open tool →Calculator
Scientific calculator with full keyboard support.
Open tool →Age Calculator
Calculate exact age in years, months and days from a date of birth.
Open tool →Date Difference
Days, weeks and months between any two dates.
Open tool →Loan Calculator
Monthly payment, total interest and full amortisation schedule.
Open tool →Tip Calculator
Split bills and calculate tip per person.
Open tool →BMI Calculator
Calculate Body Mass Index from height and weight.
Open tool →VAT Calculator
Add or remove VAT from any price instantly.
Open tool →Discount Calculator
Final price and savings after any percentage discount.
Open tool →Mortgage Calculator
Monthly payment, total interest and amortisation for home loans.
Open tool →Compound Interest Calculator
Final balance and interest earned with compound growth.
Open tool →Calorie Calculator
Daily calorie needs (TDEE) using the Mifflin–St Jeor formula.
Open tool →GST Calculator
Add or remove GST. Shows CGST + SGST split instantly.
Open tool →EMI Calculator
Monthly EMI, total interest and full repayment schedule.
Open tool →GPA Calculator
Calculate your GPA from course grades and credit hours.
Open tool →Inflation Calculator
US CPI inflation calculator — compare purchasing power across years.
Open tool →