Education

GPA and grade calculators for students.

• GPA CalculatorCalculate your grade point average (GPA) on a 4.0 scale from your course grades and credit hours.
• Ideal Gas Law CalculatorSolve for pressure, volume, amount of substance or temperature using the ideal gas law, PV = nRT.
• Pressure & Density CalculatorCalculate hydrostatic pressure, fluid density, gravitational acceleration or depth using P = ρgh.
• Frequency & Wavelength CalculatorCalculate wave speed, frequency or wavelength using the wave equation, v = f × λ.
• Time Dilation CalculatorCalculate relativistic time dilation and the Lorentz factor for a given velocity as a fraction of the speed of light.