Calculators - Free Online Tools

Calculate Turkish VAT (KDV) - add or remove VAT from any amount

Calculate percentages, percentage change, and proportions

Calculate exact age in years, months, and days between two dates

Calculate Body Mass Index with category and ideal weight range

Convert between Celsius, Fahrenheit, and Kelvin temperatures

Convert between bytes, KB, MB, GB, TB with binary and decimal modes

Calculate simple and compound interest with monthly breakdown

Calculate area and perimeter of rectangle, circle, triangle, and trapezoid

Calculate days, weeks, and business days between two dates