The online BMI calculator will help you determine your body mass index and understand whether your weight is normal

An online ppm calculator will help you calculate your blood alcohol level and complete elimination time

Calculate your daily calorie intake or calorie content of a product

Calculate the daily intake of proteins, fats and carbohydrates depending on weight, height, gender and activity. Learn how to eat healthy.

An online pregnancy calculator will help you determine your gestational age and estimated due date based on the date of your last menstrual period, conception or IVF

Determine whether your child's height and weight meets WHO age standards

Quickly convert clothing and shoe sizes between RU, EU, US, UK, JP, CN systems. Men's, women's and children's sizes.

Find out your ring size in the RU, EU, US, UK, JP, CN systems. Online calculator for converting sizes by diameter or circumference of a finger.

Calculation of paper weight by density and number of sheets

Calculate the electricity consumption and cost of household appliances.

Online water consumption calculator. Calculate daily and monthly water consumption for your home, office or construction site.

Online calculator for calculating the cost of heating by type of system, area and tariffs.

Online calculator for calculating the consumption and cost of natural gas for heating, cooking or water heating.

Online electricity consumption calculator. Calculate the consumption and cost of electricity for your home, office or construction site.