Calculators

Calculates the covariance between two sets of data. Covariance measures the joint variability of two random variables, indicating how much they change together.

Demonstrates the counter-intuitive solution to the Monty Hall probability puzzle. This calculator helps visualize the probabilities of winning by switching doors versus staying with the initial choice.

Estimates a player's total contribution to their team compared to a hypothetical replacement player.

Calculates a baseball player's slugging percentage, which measures their power by weighting hits based on total bases achieved per at-bat.

Estimates your One-Rep Max (1RM) for the bench press based on the weight lifted and the number of repetitions performed.

Calculates the volume, surface area, or diagonal length of a rectangular prism (box).

This calculator helps determine if buying a 3D printer is more cost-effective than outsourcing 3D printing services, considering factors like printer cost, material costs, and outsourcing prices.

This calculator helps you determine the payoff time and interest paid for different debt repayment strategies.

Calculate the time and interest saved by using the debt avalanche method, which prioritizes paying off debts with the highest interest rates first.

Calculate the break-even point for a business, which is the point at which total revenue equals total costs. This helps determine the sales volume required to cover all expenses.