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Popular calculators

Mean square, arithmetic mean of the squares, power mean of second order

With this calculator you will calculate the mean square or arithmetic mean of the squares also known as the power mean of the second order.

Child's blood group

You will calculate with fairly high accuracy the likelihood of your baby having a particular blood group.

Calculator of reactive power from voltage and current

The reactive power calculator in AC circuits will help you easily calculate reactive power, voltage and current.

Molecular weight of compounds and chemical elements.

Using the calculator you can calculate the molecular weight of any chemical compound.

Vertical projectile motion - speed, time, height

With this calculator, you can calculate the velocity of a body thrown vertically after a specified time and the initial velocity given to the body. You will also calculate the time elapsed from the moment of the throw to reach a certain speed, the time the body flies to the return to the place of the throw and the time after which the body reaches its maximum height. The calculator will also help you calculate the height at which the body is located after a certain time and will calculate the maximum height that the body will reach. The calculator also allows you to estimate the gravitational acceleration which can be useful in determining where the body was thrown.

Kinetic energy calculator

With this calculator you can quickly calculate the kinetic energy of an object. You will also calculate mass from energy and velocity and speed given kinetic energy and mass.

ADFGX / ADFVGX cipher - encoder / decoder

ADFGX cipher online encoder and decoder. Encrypt and decrypt any cipher created in a ADFVGX cipher.

Online tool for drawing graphs of any function.

With this online function graph plotter, you can draw any function. On one graph you can draw any three functions and compare their parameters. You can create graphs for many equations and functions.

Ventilation in the attic/loft

The calculator is used to calculate the ventilation capacity in an attic or loft for the minimum, normal and extreme thermal conditions of the environment depending on the area and height of the room and the roof pitch. The fan removes warm air from the room and should be mounted at the highest possible point for the best efficiency.

Linear Regression - calculator with explanation

With this statistical calculator, you will learn how to calculate a linear regression step by step.

Text analyzer, number of words, number of letters, number of lines

Thanks to the calculator you can calculate the number of letters, the number of words, the number of characters and the number of paragraphs in any text.

Heart attack risk

Thanks to the calculator, you can use several factors to check the degree of risk of a heart attack in the next ten years.

Percentage Calculator

using a percentage calculator, you can calculate in a simple and quick way sums, differences, products and percentages .

Daltons law of partial pressures

Using the calculator you can calculate the partial pressure according to Daltons law.

ROT13 cipher - encoder / decoder

ROT13 cipher online encoder and decoder. Encrypt and decrypt any cipher created in a ROT13 cipher. You can use any shift and additionally a key for more precise text encoding.

Median of the interval distributive series

With this statistical calculator, you will learn how to calculate the median of an interval distributive series from grouped data.

Basal metabolic rate (BMR) - calculator

Using the calculator, you will calculate the basic metabolic rate (BMR-basal metabolic rate) and the amount of calories needed to supplement, i.e. burned by the body on an empty stomach (in the morning, without a meal), in physical and mental peace.

Burning calories

The calculator calculates how much energy we spend by performing selected activities within the given time. This can help you plan your daily calories burned for example.

Harmonic mean calculator

With this calculator you will calculate the harmonic mean.

Water loss in the body calculator

Using the calculator, we will calculate the water lost from the body and the percentage of weight loss after the exercises.



Online calculator