52739
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.
Long description
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1693623
Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
Long description
241822
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.
148097
Life
Battery charging time calculator
Calculator to the data calculates the estimated time of charging.
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Financial
Calculator ARP (annual percentage rate)
calculator to input the loan amount, the amount of commission (percentage) and the repayment time is calculated the annual interest rate.
65417
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Verification of the social security number in Poland
It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.
110788
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Map Scale Converter
Calculator allows to determine the actual distance corresponding to the distance on the map with the specified scale. If the map at 1:500,000 scale the input field, enter the value 500000.
38368
Financial
Settlement km - calculator, model in Poland
jak obliczyć kilometrówkę?
Calculator allows you to calculate the costs that can be refunded for use of a personal vehicle for business purposes.