Calculators

Calculates the ratio of waist circumference to height, assessing central obesity risk.

Calculate a baby's age in months, weeks, and days, and track milestones.

Calculates the recommended shoelace length based on the number of eyelets in your shoe design.

Calculates the amount of fabric needed for binding a quilt, considering the quilt's dimensions and binding width.

Calculates the size of curtains needed based on the desired length, the width of the window, and the desired fullness.

Converts binary numbers (base-2) to their hexadecimal equivalents (base-16). Provides an insight into the relationship between these number systems.

Converts numbers between binary and decimal systems.

Calculates the required airflow in cubic feet per minute (CFM) for a room based on its dimensions and desired air changes per hour.

Calculates the maximum deflection of a beam under various load and support conditions. This calculator is useful for structural engineers and anyone needing to assess the bending behavior of beams.

Calculates the amount of gravel required for a road base, based on the length, width, and desired depth.