Calculators

Calculates the current value of a home appliance based on its initial cost, lifespan, and age.

Converts shoe sizes between different measurement systems (US, UK, EU, CM).

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

Calculates the amount of fabric needed for quilt backing and batting, considering seam allowances and fabric width.

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

Calculates the static and dynamic compression ratios of an internal combustion engine. Static compression ratio is based on the engine's physical dimensions, while dynamic compression ratio considers valve timing.

Calculates the estimated horsepower gain from adding a supercharger to a naturally aspirated engine, based on boost pressure and engine displacement.

Converts Root Mean Square (RMS) wattage to Watts (W).

Converts numbers between decimal (base-10) and octal (base-8) number systems.

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