AC Tonnage Calculator

AC Tonnage Calculator This calculator helps you determine the right air conditioner size (in tons) for your room based on room dimensions, insulation, and other factors. Proper sizing ensures energy efficiency and optimal cooling performance. Room Length (ft/m): FeetMeters Room Width (ft/m): FeetMeters Room Height (ft/m): FeetMeters Number of Occupants: Sun Exposure: Normal (No direct … Read more

Overall Heat Transfer Coefficient Calculator

Overall Heat Transfer Coefficient Calculator

Overall Heat Transfer Coefficient (U) Calculator This tool calculates the overall heat transfer coefficient (U-value) for heat exchangers and building materials. The U-value indicates how well heat is transferred through a material or system. Input Parameters Calculation Method: Heat ExchangerBuilding Material Heat Exchanger Parameters Heat Duty (Q): WkWBTU/hr Surface Area (A): m²ft² Log Mean Temp … Read more

Log Mean Temperature Difference

Log Mean Temperature Difference

Log Mean Temperature Difference (LMTD) Calculator The Log Mean Temperature Difference (LMTD) is used to determine the temperature driving force for heat transfer in heat exchangers. This calculator helps you compute LMTD for both parallel and counter-flow heat exchangers. Hot Fluid Inlet Temperature (Th,in) °C°FK Hot Fluid Outlet Temperature (Th,out) °C°FK Cold Fluid Inlet Temperature … Read more

Temperature Difference Calculator

Temperature Difference Calculator

Temperature Difference Calculator Calculate the temperature difference between two measurements in Celsius, Fahrenheit, or Kelvin. Temperature 1: °C°FK Temperature 2: °C°FK Display result in: Same as input°C°FK Absolute value: Yes (always positive)No (show direction) Calculate Difference Temperature Difference Results: Difference: – Temperature 1 in all units: – Temperature 2 in all units: – About Temperature … Read more

Heat Transfer Calculator

Heat Transfer Calculator

Heat Transfer Calculator Calculate heat transfer rates for conduction, convection, and radiation in various materials and conditions. Conduction Convection Radiation Conduction Calculator Material: AirWaterStyrofoamWood (pine)GlassSteel (mild)CopperCustom Custom Thermal Conductivity (W/m·K): Cross-sectional Area (m²): Thickness (m): Temperature Difference (ΔT in °C): Calculate Conduction Results: Heat Transfer Rate: 0 W Thermal Resistance: 0 K/W Convection Calculator Convection … Read more

Wet Bulb Calculator

Wet Bulb

Wet Bulb Calculator Calculate the wet bulb temperature based on air temperature and relative humidity. Air Temperature (°C): Relative Humidity (%): Atmospheric Pressure (hPa): Calculate Wet Bulb Results: Wet Bulb Temperature: – °C Dew Point: – °C Heat Index: – °C About Wet Bulb Temperature Wet bulb temperature is the lowest temperature that can be … Read more