Health & Fitness Calculators
BMI, BMR, calories, body fat, ideal weight, water intake and cycle dates, with the formula each one uses named on the page.
For general information. Not medical advice.
- BMI CalculatorWork out your body mass index, against the Indian cut-offs or the WHO ones.
- BMR CalculatorWork out the calories your body uses at complete rest, and what each activity level adds.
- Calorie CalculatorWork out the calories a day that suit your goal, with the protein, carbohydrate and fat behind the figure.
- Body Fat CalculatorEstimate body fat from a few tape measurements, and see fat mass and lean mass separately.
- Ideal Weight CalculatorSee the ideal weight for your height by three published formulas, with the healthy range beside them.
- Water Intake CalculatorWork out how much water to drink a day from your weight, your exercise and the weather where you live.
- Target Heart Rate CalculatorWork out your estimated maximum heart rate and the zones for light, moderate and vigorous exercise.
- Ovulation CalculatorWork out the likely ovulation day and the fertile window from your last period and cycle length.
- Period Date CalculatorWork out when your next period is due, and the three cycles after it.
- Pregnancy Due Date CalculatorWork out an estimated due date, and see how far along you are today.