Calculator Category


Calculator FAQ

What is a BMI Calculator?

  • A BMI calculator is an online or offline device that measures your body mass index. 
  • The body mass index or BMI is a measure of how much body mass you have in relation to your height and weight.
  • Body mass refers not only to the fat within your body but also to muscles and bones. 
  • It is calculated by taking your weight and dividing it by the square of your height. 
  • The BMI figures let you know whether you are within the normal weight range, or if you are underweight or overweight.
  • Both high BMIs and low ones are known to raise a host of health problems, especially as you age. 
  • However, a high BMI in itself is not always, medically speaking, a cause for alarm. It should be viewed in conjunction with other health parameters.

How Do I calculate my Age using Age Calculator?

Steps to Calculate  Exact Age using Age Calculator

  1. Enter Your Date of Birth
  2. Select the Date You Want to Check the Age
  3. Calculate Exact Age

How much BMR is normal?

High values suggest that there exists presence of thyrotoxicosis. Normal BMR percentage ranges from negative 15% to positive 5%.

How do you calculate total body water?

Formula For Calculating Total Body water for male and female are :

  • Male TBW = 2.447 - (0.09156 x age) + (0.1074 x height) + (0.3362 x weight)
  • Female TBW = -2.097 + (0.1069 x height) + (0.2466 x weight)

How do you calculate blood volume?

You can calculate blood volume using a blood volume calculator or you can use this Nadler's formula:

1. Nadler's Equation

  • For Males

BV = 0.3669 × h³ + 0.03219 × w + 0.6041


  • For Females

BV = 0.3561 × h³ + 0.03308 × w + 0.183


2. Lemmens-Bernstein-Brodsky equation

BV = Weight × 70 / √(BMI / 22)

How do I calculate my due date of pregnancy?

3 Easy steps to calculate my due date of pregnancy using the Pregnancy Due Date Calculator.

  1. Enter the First Day of Your Last Period
  2. Enter the Average Length of Cycles
  3. Get Your Pregnancy Due Date

How do you calculate body fat percentage?

Body Fat Percentage (BFP) formula for adult males

BFP = 1.20 × BMI + 0.23 × Age - 16.2


Body Fat Percentage (BFP) formula for adult females

BFP = 1.20 × BMI + 0.23 × Age - 5.4


Body fat Percentage (BFP) formula for boys

BFP = 1.51 × BMI - 0.70 × Age - 2.2


Body Fat Percentage (BFP) formula for girls:

BFP = 1.51 × BMI - 0.70 × Age + 1.4

How do I calculate the cholesterol ratio in mmol/L?

To calculate your cholesterol ratio in mmol/L, you just have to make sure both values – total cholesterol and HDL-cholesterol – are in the same units. Then you divide the total cholesterol number by HDL cholesterol level:

Cholesterol ratio in mmol/L = Total cholesterol (mmol/L)/HDL-cholesterol (mmol/L)

How much water is too much?

Many people wonder if there is actually a point where you can drink too much water. There are some rare cases of someone over-hydrating, known as hyponatremia. However, it is very rare and usually only seen in endurance athletes who are over-drinking while doing very intense exercise or in older adults with certain health conditions.

What is a good level of VLDL?

Your VLDL level should be less than 30 mg/dL (milligrams per deciliter). Anything higher than that puts you at risk for heart disease and stroke.

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