Calculators

Calculates the degrees of freedom (df) for various statistical tests, representing the number of independent pieces of information available to estimate a parameter.

This calculator determines the gear ratio of a bicycle based on the chainring size and the cog size on the cassette. It helps cyclists understand the mechanical advantage and the effective distance traveled per pedal revolution.

Calculates target split times for different segments of a race or run based on overall goal time.

Converts amounts between different currencies based on exchange rates.

Calculates the total amount of fabric needed for a sewing or crafting project, considering dimensions and seam allowances.

Calculates the Gross Vehicle Weight Rating (GVWR) for a vehicle, which is the maximum operating weight of a vehicle as specified by the manufacturer.

Calculates the angle cuts needed for knee bracing based on the desired angle and brace dimensions.

Calculates the fractional surface coverage (θ) based on the Langmuir adsorption isotherm model, which describes the equilibrium between adsorption and desorption of a gas on a solid surface.

Calculates the waist-to-hip ratio (WHR), a simple measurement that provides an indication of body fat distribution and associated health risks.

Calculate the appropriate omega-3 dosage for dogs based on their weight. This helps in ensuring your dog receives the right amount of omega-3 for optimal health.