calculators

Square Feet to Square Centimeters Calculator Square Feet to Square Centimeters Calculator Convert area from square feet to square centimeters. * Enter the area in square feet. Area in Square Feet (\( \text{ft}^2 \)): Convert to Square Centimeters Conversion Result — cm² Reset Conversion Factor: \( 1\,\text{ft}^2 = 929.0304\,\text{cm}^2 \)

Square Inches to Square Centimeters Calculator Square Inches to Square Centimeters Calculator Convert area from square inches to square centimeters. * Enter the area in square inches. Area in Square Inches (\( \text{in}^2 \)): Convert to Square Centimeters Conversion Result — cm² Reset Conversion Factor: \( 1\,\text{in}^2 = 6.4516\,\text{cm}^2 \)

Square Centimeters to Square Inches Calculator Square Centimeters to Square Inches Calculator Convert area from square centimeters to square inches. * Enter the area in square centimeters. Area in Square Centimeters (\( \text{cm}^2 \)): Convert to Square Inches Conversion Result — in² Reset Conversion Factor: \( 1\,\text{cm}^2 = 0.1550\,\text{in}^2 \)

Kinetic Friction Calculator Kinetic Friction Calculator Calculate the kinetic friction force using: $$ F_k = \mu_k \times N $$ * Enter the coefficient of kinetic friction (dimensionless) and the normal force (in newtons, N). Step 1: Enter Parameters Coefficient of Kinetic Friction, \( \mu_k \): e.g., 0.3 Normal Force, \( N \) (N): e.g., 100 […]

Lever Force Calculator Lever Force Calculator Calculate the output force using: $$ F_{out} = \frac{F_{in} \times d_{in}}{d_{out}} $$ * Enter the input force (N), the distance from the fulcrum to the input force (m), and the distance from the fulcrum to the load (m). Step 1: Enter Parameters Input Force, \( F_{in} \) (N): e.g., […]

Kelvin Equation Calculator Calculate the change in vapour pressure using: $$ \ln\!\left(\frac{P}{P_0}\right) = \frac{2\gamma\,V_m}{r\,R\,T} $$ * Enter the flat surface vapour pressure \(P_0\) (Pa), surface tension \(\gamma\) (N/m), molar volume \(V_m\) (m³/mol), radius of curvature \(r\) (m), and temperature \(T\) (K). Step 1: Enter Parameters Flat Surface Vapour Pressure, \( P_0 \) (Pa): e.g., 101325 […]

Electro-Dialysis Calculator Electro-Dialysis Calculator Estimate the mass of salt removed using: $$ m = \eta \,\frac{I\, t\, M}{z\, F} $$ * Enter the applied current (A), operating time (hours), current efficiency (as a percentage), salt molar mass (g/mol), and the number of electrons transferred. Step 1: Enter Parameters Applied Current, \( I \) (A): e.g., […]

Gear Pump Size Calculator Gear Pump Size Calculator Calculate the pump displacement per revolution using: $$ V_{rev} = \frac{60\,Q}{\text{RPM}} $$ and convert to mL/rev: $$ V_{rev}\ (\text{mL/rev}) = \frac{60\,Q}{\text{RPM}} \times 10^6 $$ * Enter the desired volumetric flow rate \( Q \) (in m³/s) and the pump speed (RPM). Step 1: Enter Parameters Volumetric Flow […]

Ideal Gas State Equation Calculator Ideal Gas State Equation Calculator Calculate the pressure of an ideal gas using the equation: $$ P = \frac{nRT}{V} $$ * Enter the number of moles (mol), temperature (K), and volume (m³). The gas constant \( R \) is taken as 8.3144621 J/(mol·K). Step 1: Enter Parameters Number of Moles, […]

Vapour Pressure Calculator Using Clausius-Clapeyron Equation Vapour Pressure Calculator Calculate the vapour pressure using the Clausius-Clapeyron equation: $$ P = P_0 \exp\!\left[-\frac{\Delta H_{vap}}{R}\left(\frac{1}{T} – \frac{1}{T_0}\right)\right] $$ * Enter the reference vapour pressure \(P_0\) (Pa) at \(T_0\) (K), the latent heat of vaporization \(\Delta H_{vap}\) (J/mol), and the desired temperature \(T\) (K). Step 1: Enter Parameters […]