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Popular calculators

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.

Brinell hardness scale

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

Child's blood group

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

Percentile, Centile - calculator with explanation

With the percentile calculator you will calculate the percentile position and find the value. Percentile or centile is a measure in statistics that indicates a value for which P Percentage of the Population is equal to or less than that value and 100-P is greater.

Profitability of investments: NPV (Net Present Value), PI (Profitability Index), IRR (Internal Rate of Return), DPP (Discounted Payback Period)

This calculator helps us check whether the planned investment will be profitable and whether the project should be accepted or rejected.
Thanks to the calculator, we can calculate:
NPV (Net Present Value) - sum of discounted net cash flows
PI (Profitability Index) - investment profitability
IRR (Internal Rate of Return) - internal rate of return
DPP (Discounted Payback Period) - discounted payback period
Value of discounted net cash flow for each period.

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.

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.

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.

Molar concentration

Using this calculator you can calculate the molar concentration of the solution, ie the number of moles of a given chemical substance that contains 1 liter of solution.

Assessment of readiness to lose weight

Did you know that proper preparation is an essential factor in losing weight successfully? This test will not only help you answer the question of whether you have a chance of successful weight loss, but it will also indicate the factors that are necessary in preparation for this process.

How many wallpapers?

With this calculator, you can easily calculate the cost and amount of wallpaper needed to make any room.

Amount of concrete needed for the foundation or ceiling

Calculator of the amount of concrete needed to build a foundation slab or a concrete ceiling.

Weight and age on the planets

What would your weight be on other planets? How old would you be on another planet in the solar system? When would you have your birthday? You can check it with this calculator. You can also check what the weight of any item would be. The calculator will convert your weight and age into the weight and age you would have if you lived on Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune or Pluto.

Laplace expansion, determinant of 4x4 matrix - calculator

With the help of the calculator you will calculate the determinant of the fourth degree matrix by the Laplace Expansion method. You will learn step by step how the calculations are performed and we will get explanations of each action. A useful tool for learning, consolidating, checking your own calculations and understanding the Laplace method.

Savings calculator - calculator

Thanks to the calculator, you can quickly and easily calculate how much money you will accumulate in a given period by putting a monthly fixed amount on your account for a specified period of time, giving the annual interest rate.

Burrows-Wheeler transform - encoder / decoder

Burrows-Wheeler transform online encoder and decoder. Encrypt and decrypt any cipher created in a Burrows-Wheeler transform.

Molecular weight of compounds and chemical elements.

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

Square - geometric figure

Thanks to the calculator, you can easily calculate the area of a square, the side of the square, the diagonal of the square, the radius of the circle inscribed and described on the square.

Force, mass and acceleration calculator

With this calculator you can calculate the force, mass and acceleration from Newton's Second Law of Motion.

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.



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