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Popular calculators

Cone - volume, area, generatrix, radius of base

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.

Sight Test - Ishihara Charts - Color Blindness calculator

Use the Ishihara test to check if you suffer from color blindness, to what extent your defect is Protanopia or Deuteranopia, or maybe just insufficient differentiation between red and green shades. As a result, in addition to the diagnosis, you will have the opportunity to check how each of the Ishihara plates is seen by people with various visual impairments, and if you have a defect, they will allow you to see what is on the plates.

Percent concentration - volume

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

Deltoid, kite concave, dart, arrowhead - diagonals, area, perimeter, sides

Calculate the diagonals of a concave deltoid, kite, side lengths, surface area, perimeter and radius of the inscribed circle. Each size can be calculated using many formulas, just indicate what data we have.

Future value of investment (FV) - calculator

The FV calculator helps us calculate the future value of the investment. The FV calculator calculates the amount we will receive in the future after validating a given amount now for a specified number of years and after calculating the interest due, assuming that they will be capitalized (added to the capital) with a given frequency (e.g. weekly, monthly, quarterly, semi-annually, annually) .

Playfair cipher - encoder / decoder

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

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.

Linear Regression - calculator with explanation

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

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.

Solving any Systems with the inverse matrix method

You can calculate any system of linear equations, both homogeneous and heterogeneous with any number of unknowns Using the Inverse of a Matrix method.

Dilution of solutions

Using this calculator, you can calculate the total volume of the solution after dilution and the volume of solvent added during dilution.

Daily water requirement

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

Am I going bald? When will I go bald?

Are your hair falling out, are you starting to go bald? Use this calculator and check the probability and age at which you may be at risk of total hair loss.

Fraction calculator - multiplying fractions step by step with explanation

With the Fractions Calculator, you can multiplying any two mixed numbers or proper and improper fractions.
Fractions Calculator will show you the result of operations on fractions step by step and will give you explanations of the operations performed to multiplying fraction. You will learn how to simplify fractions, how to find a common denominator, how to find the least common multiple and the greatest common divisor.

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.

Matrix 2x2 calculator

Thanks to the mathematical calculator, you can easily calculate the determinant of the matrix, find the complement matrix, the transposed matrix, and the inverse matrix.

Brinell hardness scale

With this calculator you can calculate the HB hardness or the hardness of metals based on the Brinell hardness test.

Assessment of the fit of the diet and exercise plan - test

Is the chosen weight loss plan adjusted to your needs and possibilities and will it bring the expected results?

The key to success in dietary plans is its proper selection. However, too often we choose plans that are not tailored to us, resulting in ineffectiveness and discouragement, and consequently the quick abandonment of the plan.

Use this test to find out also what factors a tailored diet plan should contain and training sessions. And it's best to apply this test to the already selected plan so as not to waste time on a wrong diet and training.

Floor panels and materials calculator

Flooring Calculator is a complete tool to calculate the costs and materials needed to lay a wooden floor. Thanks to the calculator, we will find out how many packages of panels, underlay, vapor barrier foil under the panels, skirting boards, connectors, corners and plugs will be needed, as well as the cost of all materials including labor.

Harmonic mean calculator

With this calculator you will calculate the harmonic mean.



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