Topic

Health and fitness calculators

Screening estimates for body mass index, body fat, daily calories, pregnancy dates, and fertile windows. These are estimates, not medical advice.

Calculators

• BMI CalculatorCalculate body mass index using feet, inches, and pounds or centimeters and kilograms, with the standard BMI category range.
• Calorie and TDEE CalculatorEstimate maintenance calories, BMR, and daily energy needs from age, sex, height, weight, and activity level.
• Pregnancy Due Date CalculatorEstimate a pregnancy due date from the last menstrual period, with conception date, current week, and trimester milestones.
• Body Fat Calculator (US Navy Method)Estimate body fat percentage with the US Navy method and get daily protein, carb, and fat macro targets.
• Ovulation CalculatorEstimate your ovulation day and fertile window from your last period start date and average cycle length.

Guides

• BMI Chart: What Your Number Really Means

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