Health & Fitness Toolkit

Calculate calories, target heart rate zones, blood pressure stages, and sleep cycles.

Calculate Body Mass Index (BMI) using metric or imperial units and check health status category.

Calculate daily maintenance calories (TDEE) and target calories for fat loss or muscle building.

Calculate your optimal daily water hydration volume based on body weight, workouts, and climate.

Calculate your ideal body weight range based on historical clinical formulas (Devine, Robinson, Miller).

Calculate personalized aerobic, fat burn, and VO2 max heart rate training zones using the Karvonen formula.

Evaluate systolic and diastolic blood pressure readings against American Heart Association clinical categories.

Calculate the ideal time to go to bed or wake up refreshed based on natural 90-minute REM sleep cycles.

Estimate estimated date of delivery (EDD) and current pregnancy week using Naegele's rule.