Air Exchange Calculator (Air Change Per Hour & Minute)

Air Exchange Calculator (Air Change Per Hour & Minute)

To determine the air exchange rate, divide the airflow rate (QQ) by the room volume (VV). This calculation provides the number of air changes per hour (ACH) or minute, helping ensure proper ventilation. Air Exchange Calculator Enter any 2 values to calculate the missing variable Volumetric Flow Rate CFM L/s m³/h Volume of Room ft³…

Spring Constant Calculator (F=-kx)

Spring Constant Calculator (F=-kx)

Multiply the spring constant (kk) by the displacement (xx), and add a negative sign to find the force (FF) applied by the spring. Spring Constant Calculator Enter any 2 values to calculate the missing variable Force Newton (N) Pound-force (lbf) Displacement Meter (m) Centimeter (cm) Millimeter (mm) Inch (in) Foot (ft) Yard (yd) Spring Constant…

Henry’s Law Constant Calculator

Henry’s Law Constant Calculator

Divide the concentration of the gas in the liquid by its partial pressure to find the Henry’s law constant. Henry’s Law Constant Calculator Enter any 2 values to calculate the missing variable Concentration of Gas in Liquid mol/L mol/m³ mg/L Partial Pressure of Gas atm kPa mmHg psi Henry’s Law Constant atm·L/mol kPa·m³/mol mmHg·L/mol psi·ft³/mol…