Health Calculators

Due Date Calculator
This calculator estimates due date and current stage of pregnancy based on provided information, such as last period, conception date, ultrasound result, etc.

Ovulation Calculator
This calculator estimates the ovulation date and fertile window based on the date and average length of your period cycles.

BMR Calculator
This calculator estimates the Basal Metabolic Rate (BMR) of an adult based on age, sex, body weight, and body height.

Body Fat Calculator
This calculator estimates the body fat percentage based on several methods, including using body mass index (BMI), relative fat mass (RFM), the US navy method, and the Jackson-Pollock skinfold method.

Sleep Calculator
This calculator estimates the time you need to go to bed or wake up depending on the amount of time you want to sleep (in terms of sleep cycles or hours and minutes).

Math Calculators
Time and Date Calculators
Fitness Calculators
Health Calculators
Financial Calculators
Online Tools
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