Calculators

Estimates a child's skeletal maturity (bone age) based on the Greulich & Pyle atlas, which compares an X-ray of the left hand and wrist to standard images for different ages. This calculator provides an approximation and should be used in conjunction with professional medical evaluation.

Calculates the number of semitones between two musical notes.

Estimates the strength of a password based on its length and character set diversity, measured in bits of entropy. Higher entropy values indicate stronger, more secure passwords.

Estimates the storage size of an image file based on dimensions, color depth, and compression.

This calculator converts grams to tablespoons for various ingredients, taking into account their specific densities for precise measurement.

Calculates points for each event in a heptathlon based on performance marks.

Calculates the number of light bulbs needed to adequately illuminate a room based on its dimensions, desired light level, and bulb specifications.

Calculate the exact boiling time for eggs based on desired doneness, altitude, and starting egg temperature.

Analyzes forces and distances in a lever system based on the fulcrum position.

This calculator estimates the cooking time and internal temperature for different steak cuts, thicknesses, and doneness levels, providing temperatures in both Fahrenheit and Celsius.