TDEE Calculator

Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor equation. Find your maintenance calories, then subtract 300-500 for weight loss or add 300-500 for muscle gain.

BMI Calculator

Body Mass Index calculator using height and weight. Provides BMI category and context about BMI limitations.

One-Rep Max (1RM) Calculator

Estimate your one-rep max using the Epley formula. Enter your weight and reps to calculate training percentages.

Body Fat Calculator (Navy Method)

Estimate body fat percentage using the U.S. Navy circumference method. Requires neck, waist, and hip measurements.

Macro Calculator

Calculate your optimal protein, carbohydrate, and fat intake based on your TDEE and fitness goals.

Ideal Weight Calculator

Estimate your ideal body weight using multiple formulas including Devine, Robinson, Miller, and Hamwi.