Surface Charge Density Calculator

Surface Charge Density Calculator Enter any 2 values to calculate the missing variable Total Charge Coulombs (C) milliCoulombs (mC) kiloCoulombs (kC) Total Surface Area Square Meters (m²) Square Centimeters (cm²) Square Kilometers (km²) Square Feet (ft²) Surface Charge Density C/m² C/cm² C/km² C/ft² Calculate Reset In electrostatics, the behavior of electric charges on surfaces matters…

Gas Density Calculator

Gas Density Calculator Enter any 3 values to calculate the missing variable Pressure ATM kPa psi bar Molar Mass g/mol kg/kmol Temperature K °C °F Density g/L kg/m³ lb/ft³ Calculate Reset When you’re working with gases, volume and mass don’t behave the way they do with solids or liquids. Gases expand, compress, and change density…

Gasoline Density Calculator

Gasoline Density Calculator Enter any 2 values to calculate the missing variable Mass lbs kg Volume Gallons Liters Gasoline Density lb/gallon kg/liter Calculate Reset When it comes to fuel, knowing how much gasoline weighs for a given volume is more than a technical detail—it’s a practical necessity. Whether you’re managing fuel storage, transporting gasoline, or…