4300kcal/h ile to kilowatow? 1000hPa ile to torow, barow i mmH2O ?  

1kcal/h=0,8598452279W 4300kcal/h=3697,14W=3,697kW    1 Tr= 133,3224 Pa    1hPa=100Pa 100000Pa=750.07Tr 1bar=1000hPa 1 mmH2O = 9.80664857 Pa   100000Pa=10204,08mmH2O