Calculators

Calculates the income tax payable based on the user's income and a given tax rate.

Calculates the required monthly savings to reach your retirement income goal, considering your current age, retirement age, current savings, and expected interest rate.

Calculates the average cycle time, which is the time it takes to complete a process or task.

Converts torque values between Newton-meters (Nm) and foot-pounds (ft-lbs).

Estimates the cost and design of a wall along the U.S.-Mexico border, based on user-defined parameters. This calculator is for illustrative purposes only and does not represent an official cost estimate.

Calculates the theoretical yield of a chemical reaction based on the moles of the limiting reactant and the stoichiometry of the reaction.

This calculator converts between the equilibrium constants Kp (expressed in terms of partial pressures) and Kc (expressed in terms of concentrations).

Estimates the precipitation rate of a sprinkler system, indicating how quickly water is applied to a lawn or garden.

Estimates how long it will take to download a file based on file size and download speed.

This calculator determines the percentile rank of a given score within a dataset. It calculates the percentage of values in the dataset that fall below the specified score.