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Life
Calculator - dosage of CO2 in the aquarium
Ile co2 w akwarium?
Dawkowanie co2 w akwarium.
The online calculator by entering the pH and kH values to calculate the concentration of CO2 in the aquarium.
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Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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Life
Calculate how much you drink pure ethanol
On the basis of the data entered, the amount of drink and the percentage of alcohol content calculator calculates pure ethyl alcohol that we consume.
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Battery charging time calculator
Calculator to the data calculates the estimated time of charging.
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Building
Insulation of wall
Jak policzyć izolację ścian?
Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
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Calculator spending on cigarettes
Calculator based on the price quoted for the package and the amount consumed per month package, gives the annual cost of smoking cigarettes.
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Math
Circumference of an ellipse
The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.
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Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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Financial
ROCE - an indicator of the efficiency of investment
The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.