Weight Calculator Weight Calculator Weight * 201 Enter your weight in pounds Your weight in Grams is: Your weight in Milligrams is: Your weight in Micrograms is: Elemental Breakdown Your body is made up of over 60 Elements - these elements are found in larger than trace quantities. Any amount 0.01% or less is considered a trace element. See the breakdown below based on your body's mass. Oxygen Oxygen makes up 65% of your body's weight! Cellular respiration is the term used to describe the phase of the digestive process when food breaks down to supply cells with energy. During cellular respiration, cells use oxygen to break down sugar to produce ATP, or adenosine triphosphate. ATP is a molecule that supplies cells with energy. Oxygen in Your Body (lbs) Oxygen in Your Body (Grams) Oxygen in Your Body (Milligrams) Oxygen in Your Body (Micrograms) Carbon Carbon makes up 18% of your body's weight. It is the basic building block required to form proteins, carbohydrates and fats, and it plays a crucial role in regulating the physiology of the body. Carbon in Your Body (lbs) Carbon in Your Body (Grams) Carbon in Your Body (Milligrams) Carbon in Your Body (Micrograms) Hydrogen Hydrogen makes up 10% of your body's weight. It is the third most common element in our bodies and is a vital part of our tissue function. It even forms part of our DNA structure, making hydrogen indispensable to human life. Hydrogen in Your Body (lbs) Hydrogen in Your Body (Grams) Hydrogen in Your Body (Milligrams) Hydrogen in Your Body (Micrograms) Nitrogen Nitorgen makes up 3% of your body's weight and is found in many organic molecules, including the amino acids that make up proteins, and the nucleic acids that make up DNA Nitrogen in Your Body (lbs) Nitrogen in Your Body (Grams) Nitrogen in Your Body (Milligrams) Nitrogen in Your Body (Micrograms) Calcium Calcium makes up 1.5% of your body's weight and is the most common mineral in the human body — nearly all of it found in bones and teeth. It also plays a role in muscle contraction and protein regulation. Calcium in Your Body (lbs) Calcium in Your Body (Grams) Calcium in Your Body (Milligrams) Calcium in Your Body (Micrograms) Phosphorus Phosphorus makes up 1% of your body's weight and is found predominantly in bone but also in the molecule ATP, which provides energy in cells for driving chemical reactions. Phosphorus in Your Body (lbs) Phosphorus in Your Body (Grams) Phosphorus in Your Body (Milligrams) Phosphorus in Your Body (Micrograms) Potassium Potassium makes up .25% of your body's weight and is an important electrolyte. It helps regulate the heartbeat and is vital for electrical signaling in nerves. Potassium in Your Body (lbs) Potassium in Your Body (Grams) Potassium in Your Body (Milligrams) Potassium in Your Body (Micrograms) Sulfur Sulfur makes up .25% of your body's weight and plays an important role in the structure of the skeleton and muscles. It also is necessary in more than 300 essential metabolic reactions. Sulfur in Your Body (lbs) Sulfur in Your Body (Grams) Sulfur in Your Body (Milligrams) Sulfur in Your Body (Micrograms) Sodium Sodium makes up .15% of your body's weight and is an important electrolyte. It helps regulate the heartbeat and is vital for electrical signaling in nerves. Sodium in Your Body (lbs) Sodium in Your Body (Grams) Sodium in Your Body (Milligrams) Sodium in Your Body (Micrograms) Chlorine Chlorine makes up .15% of your body's weight and is usually found in the body as a negative ion, called chloride. This electrolyte is important for maintaining a normal balance of fluids. Chlorine in Your Body (lbs) Chlorine in Your Body (Grams) Chlorine in Your Body (Milligrams) Chlorine in Your Body (Micrograms) Magnesium Magnesium makes up .05% of your body's weight and plays an important role in the structure of the skeleton and muscles. It also is necessary in more than 300 essential metabolic reactions. Magnesium in Your Body (lbs) Magnesium in Your Body (Grams) Magnesium in Your Body (Milligrams) Magnesium in Your Body (Micrograms) Iron Iron makes up .0006% of your body's weight and is a key element in your metabolism. It is also found in hemoglobin, which is the oxygen carrier in red blood cells. Iron in Your Body (lbs) Iron in Your Body (Grams) Iron in Your Body (Milligrams) Iron in Your Body (Micrograms) Fluorine Fluorine makes up .00037% of your body's weight and is found in teeth and bones. Fluorine in Your Body (lbs) Fluorine in Your Body (Grams) Fluorine in Your Body (Milligrams) Fluorine in Your Body (Micrograms) Zinc Zinc makes up .00032% of your body's weight and is found in teeth and bones. Zinc in Your Body (lbs) Zinc in Your Body (Grams) Zinc in Your Body (Milligrams) Zinc in Your Body (Micrograms) Copper Copper makes up .0001% of your body's weight and is important as an electron donor in various biological reactions. Copper in Your Body (lbs) Copper in Your Body (Grams) Copper in Your Body (Milligrams) Copper in Your Body (Micrograms) Iodine Iodine makes up .000016% of your body's weight and is required for making of thyroid hormones, which regulate metabolic rate and other cellular functions. Iodine in Your Body (lbs) Iodine in Your Body (Grams) Iodine in Your Body (Milligrams) Iodine in Your Body (Micrograms) Selenium Selenium makes up .000019% of your body's weight and is essential for certain enzymes, including several anti-oxidants. Selenium in Your Body (lbs) Selenium in Your Body (Grams) Selenium in Your Body (Milligrams) Selenium in Your Body (Micrograms) Chromium Chromium makes up .0000024% of your body's weight and regulates sugar levels by interacting with insulin. Chromium in Your Body (lbs) Chromium in Your Body (Grams) Chromium in Your Body (Milligrams) Chromium in Your Body (Micrograms) Manganese Manganese makes up .000017% of your body's weight and is essential for certain enzymes, especially those that protect mitochondria — the place where usable energy is generated inside cells — from oxidants. Manganese in Your Body (lbs) Manganese in Your Body (Grams) Manganese in Your Body (Milligrams) Manganese in Your Body (Micrograms) Molybdenum Molybdenum makes up .000013% of your body's weight and is important for transforming sulfur into a usable form. In nitrogen-fixing bacteria, it is important for transforming nitrogen into a usable form. Molybdenum in Your Body (lbs) Molybdenum in Your Body (Grams) Molybdenum in Your Body (Milligrams) Molybdenum in Your Body (Micrograms) Cobalt Cobalt makes up .0000021% of your body's weight and is important in protein formation and DNA regulation. Cobalt in Your Body (lbs) Cobalt in Your Body (Grams) Cobalt in Your Body (Milligrams) Cobalt in Your Body (Micrograms) If you are human, leave this field blank. Calculate