Calculators

Calculates the distance between two points in a Cartesian coordinate system.

This calculator estimates the CO₂ emissions associated with your Christmas tree, considering both real and artificial options, and suggests alternatives.

Calculates the Gibbs Free Energy (ΔG) of a reaction to determine its spontaneity. A negative ΔG indicates a spontaneous reaction, a positive ΔG indicates a non-spontaneous reaction, and a ΔG of zero indicates equilibrium.

Calculates the long-term expected profit or loss of a particular decision or situation in poker.

Converts between different units used in radio frequency engineering, including dBm, Watts, and Volts.

Calculates the electric field strength created by a point charge.

This calculator determines the relationship between object distance, image distance, and focal length for a spherical mirror using the mirror equation.

Performs arithmetic operations (add, subtract, multiply, divide) on binary numbers.

Calculates the discount amount and the final price after applying a discount to an original price.

Calculates the interest rate of a loan or investment given the principal amount, time period, and total interest earned.