Health

Easy health calculators for calories, BMR, ideal weight, body ratios, cholesterol units, blood values, pregnancy dates, and wellness estimates.

Baby Growth Percentile Calculator

Estimate your baby’s weight, length, and head circumference percentiles using age and sex. Learn what baby growth percentiles mean and when to ask a doctor.

Dose Calculator

Use this dose calculator to estimate medication amount from prescribed dose, body weight, medicine strength, and dosing frequency. For educational use only.

Calorie Deficit Calculator

Use our Calorie Deficit Calculator to estimate BMR, maintenance calories, TDEE, calorie deficit, target calories, and weekly weight-change estimate.

Cholesterol Units Converter

Cholesterol Units Converter helps you convert total cholesterol, HDL, LDL, and triglycerides between mg/dL and mmol/L instantly with fast, accurate results.

Weight Gain Calculator

Use our Weight Gain Calculator to estimate maintenance calories and a daily calorie surplus to reach your target weight at a chosen weekly pace.

Waist-to-Height & Waist-to-Hip Ratio Calculator

Waist-to-Height & Waist-to-Hip Ratio Calculator helps you measure WHtR and WHR, understand body fat distribution, and view easy results fast.

mcg to IU Converter

Use our mcg to IU Converter to convert Vitamin A, D, E, insulin, and hCG between mass and IU using the correct substance-specific conversion factors.

Maintenance Calorie Calculator

Use our Maintenance Calorie Calculator to estimate your TDEE with the Mifflin–St Jeor equation and activity level. Find daily calories to maintain your weight.

Harris-Benedict Calculator (Basal Metabolic Rate)

Use our Harris Benedict Calculator to estimate BMR and daily calorie needs from age, sex, height, weight, and activity level. Get fast TDEE estimates online.

BMR — Basal Metabolic Rate (Mifflin–St Jeor)

Use our BMR Calculator to estimate basal metabolic rate with the Mifflin–St Jeor equation. Find your daily resting calorie needs from age, sex, height, and weight.
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