Free Online Calculators

Calculators.Tech provides you free online calculators in Health, Business, Finance, Education and Information Category. All Calculators are very simple and easy to use.
We have a team of Expert online calculator Developers.If you are looking a calculator for your website, please contact us.

health icon


Online BMI Calculator checks Body Mass Index for Men & Women. It is designed for both male and female to find out their healthy weight ratio.

Macro macronutrients calculator: Adjust your carb, fats, proteins and nutrition with flexible diet to loss, gain or to maintain weight.

Calculate BMR by using metabolism calculator. Best basal / resting metabolic rate calculator for men and women.

Subtract Body fat from total body weight to get Lean body mass. LBM Calculator shows pure body mass which shouldn't be dropped at any stage of workout.

TDEE calculator Calculates Total Daily Energy Expenditure. Simply how many calories you burn in a single day. It depends on your activity Level.

BSA Calculator measures the total surface area of body. It is usually referred to be a better indicator of the metabolic mass.

health icon


Online Age calculator finds exact age in years, months and days. Online birthday (Date of Birth) calculator checks seconds spent on earth from day of birth.

College GPA calculator used in schools, colleges, and universites. Student uses it to calculate their final GPA which is very hard to find out collectively.

health icon


Stamp duty calculator calculates the land tax on single property or additional property.It varies in different countries.

health icon


Under Construction Calculators

Our Development Team and researchers working on some new calculators.