What Is The Density Of Platinum? 

Here we will know the density of the second most expensive metal means the density of Platinum. Platinum is the second most expensive element after Rhodium. Platinum element is a silvery metallic chemical element, a member of the six transition elements in Group VIII of the periodic table known collectively as the platinum metals. The atomic number of platinum is 78 and the atomic mass of platinum is 195.09. The chemical formula of platinum is Pt. platinum is used extensively for jewellery and its main use is in catalytic converters for cars, trucks, and buses. Platinum is very effective at converting emissions from the vehicle’s engine into less harmful waste products. Let’s know about the density of platinum.   

What Is The Density Of Platinum?

The density of platinum is 21.45 g/cm3, the mass per unit volume of platinum. However, platinum is often found with small quantities of other platinum family metals deposited in Columbia, Ontario, the Ural Mountains, and in certain western US states. Platinum is popularly known for its strong interatomic bonds and high density. When you consider the metals as per their price, after platinum there is a gold metal which is expensive. And when you see the density of platinum vs gold, you will come to know that the platinum density is more than the density of gold which is 19.3 g/cm3. 

The density of platinum vs palladium tells you that, Palladium is about 40% lower in density than platinum and its density is 12.06 g/cm3. You know the density of platinum in g/cm3. Let’s know the platinum density in other units as well. 

The density of platinum in lb/in3 is 0.77 lb/in3, the density of platinum kg/m3 is 21447 kg/m3, and the density of platinum in g/mL 21.45 g/mL is. 

After knowing the density of platinum kg/m^3. Let’s have a look at the definition of platinum density. 

Definition Of Density Of Platinum

The density of platinum is defined as the mass per unit volume or the total space occupied by the platinum. Platinum is one of the densest precious petals, followed by gold, mercury, lead, and silver. The intrinsic density of platinum is part of what makes it so appealing. Holding even a small amount of platinum in the hand conveys an impressive weight that might not be expected at first glance. Let’s see the formula of platinum density. 

The density of platinum = mass of platinum/volume of platinum g/cc 


                                   d = mv g/cc 

Where, d is the density of platinum 

             m is the mass or weight of platinum, and 

             v is the volume of platinum. 

You know whats the density of platinum is and also its formula. But you don’t know how to find the density of platinum. Let’s have a look. 

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How To Calculate Density Of Platinum?

Calculating the platinum density is very easy and simple because platinum is in solid form at room temperature. Therefore, it is easy to determine its mass and volume. Let’s find the platinum density, 

  • Take a piece of platinum. 
  • Determine its weight by weighing it. 
  • Now, find the volume of the platinum piece by physically measuring it or by the water displacement method. 
  • Now, divide the mass of platinum by its volume, and you will get the platinum density. 

Let’s understand it with the help of an example. 

A square-shaped piece of platinum with a side of 2 cm and its weight is about 186 grams. Then find its density. 

Firstly find its volume, 

The volume of the platinum piece is = (side)3 

                                                         = 2 x 2 x 2 

                                                         = 8 cm3 

Now, by using density formula, 

The density of platinum = mass of platinum/volume of platinum g/cc 

                                    d = 186/8 

                                    d = 23.25 g/cm3. 

So, the density of platinum is  23.25 g/cm3. 

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What Is The Density Of Platinum Vs Gold?

The density of platinum is 21.45 grams per cubic centimetre. As a comparison, the density of gold is 19.3 grams per cubic centimetre. Platinum is then one of the densest precious metals, followed by gold, mercury, lead and silver.

Why Is Platinum Cheaper Than Gold?

This is because platinum is rarer than gold, has a higher density and is purer. Platinum rings require more platinum than gold rings require gold, which can increase the overall cost.

Is Platinum Or Gold More Dense?

Strength. Platinum is roughly 60% more dense than gold. This is the reason why the same design in Platinum will be heavier than gold. Although gold can be considered stronger in the sense of it being harder to bend, the density of Platinum and its unlikelihood of wearing away from daily wear gives it the advantage.

What Is The Density Of Platinum G Ml?

21.4 g/mL

The density of platinum is 21.4 g/mL.

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Is Platinum Heavier Than Silver?

Platinum Is Heavy!

Yet the fact is, platinum is heavier than either gold or silver. It is about 60% heavier than gold, which is a pretty heavy metal too. And gold, depending on its karat rating (and what other metals are mixed with it) is about 30% heavier than silver.

What Is The Heaviest Precious Metal?


Platinum is the heaviest of all the precious metals weighing approximately twice as much as karat gold. Its purity makes it hypo-allergenic, perfect for people who are sensitive to the alloys used in gold.

What Is So Special About Platinum?

It is extremely resistant to tarnishing and corrosion (which makes it known as a “noble metal”) and is very soft and malleable, making it easy to shape. It is also ductile, making it easy to stretch into wire, and unreactive, which means it doesn’t oxidize and is unaffected by common acids.


In this article, you have learned about the platinum density and come to know that the density of platinum is 21.4 g/cm3. Which is very high, despite having high density, fine or 99% platinum is soft and easily damaged. You can easily cut platinum into small pieces. Do you know? Sometime the density is known as “specific gravity”, which is a unified ratio of density within water. So, the platinum’s specific gravity is 21.4. Simply put, this means you would need more than 20 times the equivalent volume of water to have the same weight in platinum. So, this was all about the density of platinum


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