Estimate how much blood you have!

This calculator utilizes Nadler equation to determine the blood volume.
For Females: For Males : BV in litres, Height in metres and Weight in kilogram
Note that this calculator is not very suitable for small children and you can use the following reference for them instead.

• A newborn that is only 15 to 30 minutes old will have an average blood volume of 76.5 milliliters of blood per kilogram.
• A newborn that is 24 hours old has 83.3 milliliters per kilogram.
• A three month old has 87 milliliters per kilogram.
• A six month old has 86 milliliters per kilogram.
• A child one to six years old has 80 milliliters per kilogram.
• A ten year old has 75 milliliters per kilogram.
• A fifteen year old has 71 milliliters per kilogram. As teens reach adult sizes and proportions, their blood volume will be the same as that of adults.