Health & pregnancy calculators

Estimates based on published medical formulas, with clear limits and a reminder to confirm with your doctor. Your health data stays on your device.

15 calculators

BMI & Calorie Calculator

Body mass index, healthy weight, BMR, daily calories and body fat.

Due date, pregnancy week and trimester — Gregorian and Hijri.

Ovulation day and fertile window for your next cycles.

Ideal body weight by four medical formulas and BMI.

Daily calories to lose, keep or gain weight.

How much water to drink a day for your body and activity.

Calories you burn per day at every activity level.

Basal metabolic rate by three formulas.

Daily grams of protein, carbs and fat for your goal.

Running pace per km and per mile, and speed.

Daily calorie target for weight loss and exact date to reach your goal weight.

Daily protein in grams for your weight and goal, per meal.

Body fat percentage by the U.S. Navy tape method, with fat and lean mass.

Maximum heart rate and the five training zones by age and resting pulse.

Convert HbA1c to estimated average glucose (mg/dL and mmol/L) with clinical ranges.