Calculators

Calculates the percentage of games won by a team or individual (Wins / Total Games).

Calculates the target heart rate range for exercise, based on the Karvonen formula. This range helps you optimize your workout for cardiovascular benefits.

Calculates the required CO₂ volume for a grow tent based on the tent's volume and the desired CO₂ concentration.

Calculates the correct dosage of cephalexin for cats based on their weight and the recommended dosage per kilogram.

Calculates the great-circle distance (shortest distance over the Earth's surface) between two points given their latitude and longitude coordinates.

Calculates how many standard deviations a data point is from the mean of its distribution.

Helps differentiate between transudative and exudative pleural effusions based on fluid analysis.

Calculates percentages and degrees for sectors representing proportions of a whole in a pie chart.

Calculates the wavelength associated with a moving particle, demonstrating wave-particle duality (λ = h/p).

This calculator estimates body fat percentage using height and waist circumference. RFM is believed to be a more accurate measure of body fat than BMI.