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Drawer 05

Water, Air and Heat calculators

Air pressure at elevation, the energy to heat water, mixed-water temperature, saturation, cooling and evaporation, with each constant stated.

Cards in this drawer
16
Typical formula
Q = m · c · ΔT
Photo collage: a brass pressure gauge with a blank dial face, a copper kettle with steam and a glass of water with ice.

Front of the drawer

No. 05·0025Atmospheric Pressure from Elevation and TemperaturePressure at elevation84.82 kPaEstimate air pressure at an elevation from the air temperature, using the barometric formula. No. 05·0222Evaporation Calculation Formula: Methods and LimitsAverage evaporation rate0.083 L/hThere is no single universal evaporation calculation formula: evaporation depends on temperature, humidity, wi… No. 05·0205Convert inHg to PSI: Formula and CalculatorPressure14.695 psiTo convert inches of mercury (inHg) to pounds per square inch (psi), multiply the inHg value by 0.491154. Ente…

Every card in Water, Air and Heat

CalculatorWorks outExample result
Atmospheric Pressure by Address CalculatorEstimated pressure101.33 kPa
Atmospheric Pressure by Elevation: Formula and CalculatorAtmospheric pressure89.87 kPa
Atmospheric Pressure from Elevation and AngleAtmospheric pressure101.31 kPa
Atmospheric Pressure from Elevation and TemperaturePressure at elevation84.82 kPa
Atmospheric Pressure vs Elevation CalculatorAtmospheric pressure89.87 kPa
Boiling Water Evaporation Rate Calculator for FoodEvaporation rate200.0 g/h
Boiling Water Evaporation Rate Calculator FormulaAverage evaporation rate0.400 kg/h
Convert inHg to PSI: Formula and CalculatorPressure14.695 psi
Evaporation Calculation Formula: Methods and LimitsAverage evaporation rate0.083 L/h
Evaporation Rate Formula and How to Calculate ItAverage evaporation rate0.500 kg/h
Flow Rate to PSI Calculator: Why They Don’t ConvertPressure drop0.0000000056 psi
Mixing Valve Water Temperature CalculatorMixed temperature30.0 °C
Newton’s Law of Cooling Calculator: Find kCooling constant k0.0560 min⁻¹
Saturation Pressure Calculator and FormulaSaturation pressure23.69 mmHg
Water Heating Energy CalculatorEnergy needed9,418.5 kJ
Water Pressure Elevation Calculator and FormulaPressure change magnitude98,066 Pa

Every calculator uses a standard formula and shows it. How the calculators work.