# Does computer software/the internet/information have mass?

In summary: So the mass of the fiber and the Internet would be about 1.5x10^26 kilograms.In summary, it is difficult to measure the mass of information, but it is very small.

Does computer software/the internet/information in general have any mass? Or is it just pure energy?

No. Neither.

Information itself doesn't have any mass or energy but it always requires a minimum amount of mass/energy as information carrier.
See https://en.wikipedia.org/wiki/Bekenstein_bound

Information to be stored or manipulated requires energy, any energy in the storage system contributes to its mass as does raising the temperature of the storage system. This effect is negligible in any calculations.

Different configurations of charge or magnetic or molecular arrangements in storage mediums represent different energies so in effect you can change the mass of a storage device depending on what is stored there. The amount of energy represented is negligible and may not be directly proportional to the amount of data stored. So information is not measurable in mass and the mass changes in typical devices is likely not measurable either. Also depending on how information is actually stored you may be decreasing the energy (and thus mass) when going from "blank" to "programmed".

To complicate matters a very small change in a typical modern storage mechanism could represent a very large change in the quantity of data stored.

BoB

Ibix
There have been a few estimates that the mass of all of the moving electrons that make up the internet at any given time is about 50 grams.

There are two answers here. Assume the internet contains about 2000 petabytes of data - that is 2 million terabytes, or 16 billion gigabits.

2 million terabytes would fit onto about 500,000 pounds of solid state devices - assuming about 4 ounces per terabyte. That's data you could actually access. But it's not the answer you want.

If you transmitted the entire internet, how much energy (and thus mass) would be used to encode that data? Assume 16 billion gigabits of data, a 1 watt laser diode, and a 1 gigabit per second fiber line that is perfectly efficient, unbreakable and as long as needed. It would take 16 million kilowatt/hours to transmit the Internet. That's 5.76x10^13 Joules (1.6x10^7 kilowatt/hours) of energy to transmit the Internet through that cable. That works out to about 64 grams of mass for the energy encoding the Internet.

(corrected math)
It would take you 500 years to transmit the Internet. The fiber that would hold the Internet from start to finish would weigh in at 1.55x10^20 pounds (a hundred billion billion pounds). It would wrap around the Earth 1.23x10^14 times.

Last edited:
MalcolmB, newjerseyrunner and BvU

## 1. Does computer software have mass?

No, computer software does not have mass. Mass is a physical property that refers to the amount of matter in an object, and software is a collection of code and instructions stored electronically on a computer's hard drive. Since it does not have a physical form, it does not have mass.

## 2. Does the internet have mass?

No, the internet does not have mass. It is a network of interconnected computer systems and does not have a physical form. However, the devices used to access the internet, such as computers and smartphones, do have mass.

## 3. Does information have mass?

No, information does not have mass. Information is a concept or idea that is communicated through various mediums, such as written text or digital data. While the medium may have mass, the information itself does not.

## 4. Can we measure the mass of computer software?

No, we cannot measure the mass of computer software because it does not have a physical form. However, we can measure the amount of storage space it takes up on a computer's hard drive.

## 5. Is there a way to calculate the mass of the internet?

No, there is no way to calculate the mass of the internet. As mentioned before, the internet is a network of interconnected computer systems and does not have a physical form or mass. Additionally, the amount of information and data on the internet is constantly changing and cannot be accurately measured or calculated.