Choose language

PL, EN, ES, DE, FR, RU


Popular calculators

Child's blood group

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

Beaufort cipher - encoder / decoder

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

How to convert dog age to human age? Dog age calculator

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.

Parallelogram - diagonals, area, perimeter, sides

Parallelogram calculator will help you calculate the long diagonal of the parallelogram, the short diagonal of the parallelogram, the side length, heights, area of the parallelogram.

Daily water requirement

The calculator will calculate how much water you should consume to supplement your daily requirement.

Ideal gas

Using the calculator, you can calculate the pressure, volume, temperature and volume of moles of ideal gas.

Rectangle - diagonals, area, perimeter, sides

Rectangle calculator will help you calculate the diagonal of the rectangle, the side length, height, area of the rectangle.

Mode of the series of distributing class intervals

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.

Percentage Calculator

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

Body fat content - a method of measuring skin folds in 7 places

The Body Fat percentage calculator will help you calculate the amount of fat stored in your body. It uses a method of measuring skin folds in seven different places on the body.

Resting Metabolic Rate (RMR) calculator

Using the calculator, you will calculate the resting metabolic rate (RMR) and the amount of calories needed to supplement, i.e. burned by the body while resting.

Leverage, Operating Leverage, Total Leverage, Gearing

The DFL Finacial Leverage Calculator will help us calculate how sensitive the cash flow is to changes in operating profit.
With the DOL Operating Leverage Calculator, we will calculate how sensitive operating revenues are to changes in sales. The DTL Total Leverage Calculator will help us calculate the profit sensitivity to sales growth.

Bicycle tire pressure calculator

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.

Percent concentration - weight

Using this calculator you can calculate the percentage concentration, also called the percentage by weight of chemical substances in mixtures and solutions.

Linear Regression - calculator with explanation

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

Molecular weight of compounds and chemical elements.

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

Percent concentration - volume

Using this calculator, you can calculate the volume percent concentration, also called the volume percentage of chemicals in mixtures and solutions.

Home heat loss calculator

This calculator is a complete tool to calculate the heat loss of your home Whit this calculator, we will find out what the heat losses are, e.g. through the ceiling, external walls, windows, floor in each room of our house, depending on the type of building material, number of layers, insulation and external temperature.

Life expectancy and actual age by health - calculator

The life expectancy and health age calculator will let you know your life expectancy. First of all, it will make you aware of what factors affect your life expectancy and your real age according to your health.

Octagon - diagonals, area, perimeter, sides

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



Online calculator

C
M+
M-
MR
log
10x
MS
MC
asin
acos
atan
ex
sin-1
cos-1
tan-1
ln
sin
cos
tan
π
√
x²
1/x
x!
xM
(
)
exp
7
8
9
÷
4
5
6
×
1
2
3
-
0
·
=
+
C
M+
M-
sin
sin-1
asin
MC
MS
MR
cos
cos-1
acos
log
ln
10x
tan
tan-1
atan
π
e
ex
exp
1/x
x!
7
8
9
(
)
xM
4
5
6
-
÷
x²
1
2
3
+
×
√
0
·
=