Calculators

Calculates the volume of seed starting mix needed for trays or containers.

Calculates the probability that at least two people in a group share the same birthday.

Calculates the volume in cubic yards for common shapes like rectangular solids, cylinders, and spheres. Useful for estimating material quantities like concrete or gravel.

Identifies musical chords based on input notes or displays fingerings/notes for a given chord name.

Calculates the change in length, area, or volume of a material due to a change in temperature.

A simple calculator to determine the approximate caloric content of food based on its macronutrient composition in grams.

Calculates the melting point of a substance based on the provided pressure. This calculator uses a simplified model and is most accurate for substances with well-defined melting points. Note: This calculator provides estimations and should not be used for critical applications.

Calculates delay times (in milliseconds) or pre-delay/reverb times based on tempo (BPM).

Calculates the corrected age for premature babies, adjusting for their early birth.

Calculates the amount of mulch needed for a garden or landscaping project based on area and desired depth.