# Fitness

- Body Golden Ratio - Calculate the Body Golden Ratio by dividing height by waist size to assess body proportions against the Golden Ratio aesthetic standard.
- Fisher's Fundamental Theorem of Natural Selection - Fisher's Fundamental Theorem of Natural Selection - a mathematical theorem that describes the rate of increase in fitness resulting from natural selection
- Sit Up Calories Burned - Estimate the calories burned during sit-ups based on weight and the number of sit-ups performed with this simple calculator.
- Waist-to-Hip Ratio - Calculate the Waist-to-Hip Ratio to assess the distribution of body fat and potential health risks. Find out what your WHR indicates about your health.
- Weight Loss Percentage - Calculate the percentage of weight loss with this calculator based on the starting and current weight.
- Weight Loss Percentage Calculator - Calculate the percentage of weight loss by comparing your current weight to your initial weight. This tool helps track weight loss progress by providing a clear percentage of weight lost.