25 calculators
Health & Fitness
BMI, BMR, TDEE, Macros, and body composition.
Start here
All health & fitness calculators
BMI CalculatorCalculate Body Mass Index (BMI) to assess healthy weight ranges.BMR CalculatorCalculate Basal Metabolic Rate (BMR) using Mifflin-St Jeor equation.TDEE CalculatorCalculate Total Daily Energy Expenditure based on activity level.Macro CalculatorCalculate daily macronutrient breakdown (Protein, Carbs, Fat).Body Fat % (Navy)Estimate body fat percentage using the US Navy tape measure method.Lean Body MassCalculate Lean Body Mass using the Boer formula.Ideal Body WeightCalculate Ideal Body Weight (IBW) using the Devine formula.Water IntakeCalculate daily water intake requirements.1 Rep MaxEstimate your One Rep Max (1RM) for lifting.Pace CalculatorCalculate running pace per mile or km.Pregnancy CalculatorCalculate due date based on Last Menstrual Period (LMP).Pregnancy Weight GainEstimate recommended weight gain based on pre-pregnancy BMI.Army Body FatCalculate Body Fat % using US Army Standards (AR 600-9).Calories BurnedEstimate calories burned for various activities.Protein CalculatorCalculate daily protein needs based on activity and goals.Ovulation & PeriodTrack your cycle and find your most fertile days.GFR CalculatorEstimate Glomerular Filtration Rate (eGFR) using CKD-EPI (2021).Body Type (Frame)Determine body frame size based on wrist circumference.BAC CalculatorEstimate Blood Alcohol Content (BAC).Points CalculatorEstimate diet points from nutrition label.Child Height PredictorPredict a child's adult height based on parents' heights.Sleep CalculatorCalculate best times to wake up or go to bed.Smoking Cost CalculatorCalculate how much money you can save by quitting smoking.Caffeine CalculatorTrack your daily caffeine intake against safety limits.Steps to MilesConvert steps to miles or kilometers based on height.