Calculators

Calculates the dot product (scalar product) of two vectors. The dot product of two vectors is a single number that represents the cosine of the angle between them, scaled by the product of their magnitudes.

Calculates the balloon payment due at the end of a loan term. A balloon payment is a lump sum payment due at the end of a loan.

Calculates and analyzes the cash flow of a business, including operating, investing, and financing activities.

Calculates the amount of salt needed to raise the salinity level of a swimming pool.

Estimates the annual and lifetime cost of period products based on your usage and product costs.

Calculates the ideal mirror size based on the width of your bathroom vanity or sink.

Converts pixels to inches and inches to pixels, allowing you to understand the physical size of digital images or elements.

Seamlessly convert between different units of length - millimeters, meters, inches, feet, etc.

Calculates the freezing point depression of a solution using the colligative properties formula. This calculator determines the change in freezing point when a nonvolatile solute is added to a solvent.

Calculates the mean and standard deviation of the sampling distribution for sample proportions (p̂).