100+ Free Online Calculators

Calculate monthly payments, total interest, and loan details

Calculate mortgage payments and amortization schedule

Convert between 50+ world currencies including USD, EUR, GBP, JPY, GEL and more with live exchange rates

Calculate Body Mass Index and health category

Calculate daily calorie needs based on activity level

Calculate percentages, increases, and decreases

Convert between Celsius, Fahrenheit, and Kelvin

Calculate exact age in years, months, and days

Calculate Grade Point Average from course grades

Check password strength and get security recommendations

Calculate tips and split bills for restaurants

Generate secure random passwords with options