This site is created by a group of IT professionals aiming to provide fast, comprehensive, convenient and free calculators. Currently, they have over 200 free calculators. grouped into 4 sections – Financial, Fitness & Health, Math and Others. The calculations are based on well-known formulas or equations from textbooks, such as the mortgage calculator, BMI calculator, etc. Calculators such as the love calculator that are solely meant for amusement are based on internal formulas. Most calculators are universal – however, some, like the Income Tax Calculator are relevant only for the US. Overall, a good place to find and use a Calculator of your choice!