36468
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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1262778
Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
Long description
133726
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.
107053
Life
Battery charging time calculator
Calculator to the data calculates the estimated time of charging.
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3003110
Building
Calculator floor panels
Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.
157057
Building
Kalkulator powierzchni dachu
Jak obliczyć powierzchnię dachu?
Kalkulator umożliwia obliczenie powierzchni dachowych w wariantach : jednospadowy, dwuspadowy, trzyspadowy, czterospadowy.
1344632
Building
Number of wallpapers
Jak oszacować niezbędną ilość tapety?
Ile kupić tapety?
Jak obliczyć ilość tapety potrzebną do wytapetowania pokoju?
Ile kupić tapety?
Jak obliczyć ilość tapety potrzebną do wytapetowania pokoju?
Calculator to estimate the necessary amount of wallpaper needed to wytapetowania room of the given dimensions.
6682
Verifiers
NIP correctness in Poland
Jak sprawdzić poprawność numeru NIP?
Verifier allows you to validate the tax identification number entered