Science

Enter any two values among voltage, current, resistance and power to calculate the other two automatically.

Calculate density, mass or volume from any two known values with automatic unit conversion.

Calculate average speed, distance or elapsed time from any two known values with automatic unit conversion.

Calculate net force, mass or acceleration from any two known values using F = ma.

Calculate kinetic energy, mass or speed from any two known values using Eₖ = ½mv².

Compare both connections with a circuit diagram, tolerances and individual currents and powers.

Calculate pressure, volume, amount of gas or temperature with the ideal gas law.

Calculate a projectile trajectory from initial speed, launch angle, initial height and gravity.

Calculate fall time and final speed from height, initial downward velocity and gravity.

Calculate remaining quantity, elapsed time, half-life or initial quantity with exponential decay.

Decode resistor bands to get resistance, tolerance and, for 6 bands, temperature coefficient.

Find the size of a copper cable from its current-carrying capacity and voltage drop, with the circuit breaker, installation method and temperature.

Calculate a dilution concentration or volume from three known values using C₁V₁ = C₂V₂.

Calculate molar concentration, amount of substance or solution volume from any two known values.

Calculate molar mass from a chemical formula, then convert mass to moles or moles to mass.

Calculate pH, pOH, hydronium concentration or hydroxide concentration at 25 °C from one known value.

Automatically balance a neutral molecular chemical equation with the smallest whole-number coefficients.

Balance the reaction, enter reactant masses and calculate the limiting reagent, theoretical product and percent yield.