Body metrics, calorie planning, and wellness calculators for daily health decisions.
Calculate BMI using metric or imperial units, with classification and healthy range guidance.
Estimate BMR and TDEE with activity multipliers, then generate cutting, maintenance, and bulking calorie targets.
Calculate protein, carb, and fat grams from calories using preset or custom macro ratios.
Estimate body fat percentage with Navy and BMI methods, plus body composition and healthy range context.
Estimate basal metabolic rate with Mifflin, Harris-Benedict, and Katch formulas plus maintenance calorie preview.
Set a fat-loss pace and calculate daily deficit, target intake, scenario plans, and a 12-week projection.
Estimate ideal body weight using Devine, Robinson, Miller, and Hamwi formulas with frame-size adjustment.
Estimate due date and gestational milestones from LMP, conception date, or IVF transfer date.
Estimate daily hydration goals using weight, climate, activity, and lifestyle factors.
Generate five training heart-rate zones using max-HR formulas and Karvonen reserve model.
Estimate BAC with Widmark formula using sex, body weight, drinks, and elapsed time.
Estimate one-rep max from submaximal lifts using multiple strength formulas.
Compute pace, finish time, or distance with split projections and speed conversions.
Estimate daily protein targets by goal, activity level, and meal distribution.