Calculators

A versatile calculator for converting between various units of measurement, including temperature, length, area, volume, and weight.

Calculates the scaled size or real size of an object, or determines the scale of a model.

Converts pressure values between various units, including Pascals, atmospheres, bars, pounds per square inch (PSI), and millimeters of mercury (mmHg).

Calculates the reduction potential of an electrochemical cell using the Nernst Equation. This equation relates the reduction potential of an electrochemical reaction to the standard electrode potential, temperature, and activities of the chemical species undergoing reduction and oxidation.

Estimates the temperature in Fahrenheit based on the number of cricket chirps heard in one minute.

This calculator determines the correct dosage of cephalexin for dogs based on their weight. Cephalexin is an antibiotic used to treat bacterial infections in dogs.

This calculator estimates the number of DNA or RNA copies in a solution or per PCR cycle using the concentration and volume of the sample.

Estimates the carat weight of a diamond based on its shape and measurements.

Calculates the Kill/Death ratio, a common performance metric in video games.

Calculates the accuracy of a classification model, representing the proportion of correct predictions.