How to convert a dog's age to human age? How old is a dog in human years? How long will my dog live? Dog Age Calculator will help you with these and many other questions.

The calculator will calculate the estimated number of heartbeats and breaths you have given since birth.

The calculator will help you calculate deltoid (kite) diagonals, side lengths, area, perimeter and radius of the inscribed circle. Each size can be calculated using many formulas, just indicate what data we have.

Thanks to the 3x3 matrix math calculator, you can easily calculate the determinant of the matrix 3x3, find the complement 3x3 matrix, transpose 3x3 matrix, inverse 3x3 matrix.

How to calculate your Maximum Heart Rate (HRMAX)? Which heart rate zones to choose for training and how to calculate the heart rate zones? At what heart rate is the best fat burning, and at what will we increase our efficiency and improve the condition? The calculator for maximum heart rate and heart rate zones can help answer these questions. You will calculate both your maximum and optimal heart rate and select the heart rate ranges for the appropriate training.

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.

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

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

The CAPM calculator can be used to calculate the cost of equity, to evaluate the investment effectiveness of collective investment funds (open-end investment funds, pension funds, etc.), to study the efficiency of the stock market, etc.
The CAPM model allows to illustrate the relationship between the incurred systematic risk, otherwise known as market or non-diversifiable risk, and the expected rate of return.

The CAPM calculator in the form of CML allows you to calculate the expected rate of return from the so-called the effective portfolio (on the border of Markowitz's effective portfolios).

With this statistical calculator, you will learn how to calculate the arithmetic mean of a distribution point series (grouped data).

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

Pentagon calculator will help you calculate the long diagonal of the pentagon, the medium diagonal of the pentagon, the shorter diagonal of the pentagon, the side length, height, area of the pentagon, circumference and radius of the circumscribed circle and the radius of the circle inscribed in the regular pentagon.

With the GUDERMANN trigonometric function calculator you can calculate the values of the hyperbolic amplitude. In addition to the response results, the calculator will also plot the selected function. You can choose a ready-made function, e.g. gd(x) or arcgd(x) as the inverse of the Gudermann function, or enter your own function, e.g. gd(x^2), gd(x+3), etc.

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

Online calculator calculates the mode of series of distributing class intervals. You learn how to find the Modal value for a grouped data with different intervals between the data classes.

With this calculator, you will calculate the exact tire pressure required for your bicycle tires on the front and rear wheels depending on the load, wheel size, bicycle weight, etc.

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.

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

The cone calculator will help you calculate the volume of the cone, the total area of the cone, the side area of the cone, the base area of the cone, the generatrix length and the radius of the cone base, and the volume of the sphere described on the cone.

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.