*Black holes come in various sizes, with stellar-mass black holes ranging from 3 to 20 solar masses. Intermediate-mass black holes typically have masses between 100 to 10,000 solar masses. Supermassive black holes, found at the centers of galaxies, can have masses ranging from millions to billions of solar masses. The precise mass of black holes can vary within these broad categories.*

## Black Hole Mass Calculator

Sure, here’s a table summarizing different types of black holes and their approximate mass ranges:

Type of Black Hole | Mass Range (Solar Masses) |
---|---|

Primordial Black Holes | Theoretical, uncertain mass |

Stellar-Mass Black Holes | 3 to 20 solar masses |

Intermediate-Mass Black Holes | 100 to 10,000 solar masses |

Supermassive Black Holes | Millions to billions of solar masses |

Ultramassive Black Holes (theoretical) | Greater than billions of solar masses |

Please note that the mass ranges for primordial black holes and ultramassive black holes are highly speculative and not confirmed by observations as of my last knowledge update in September 2021. Stellar-mass and supermassive black holes are the most well-studied and observed types.

## FAQs

**How do you calculate the mass of a black hole?** The mass of a black hole can be calculated by observing the motion of objects (such as stars or gas) that are gravitationally bound to the black hole. Scientists use Kepler’s laws of motion and the equations of general relativity to infer the mass based on the way these objects orbit the black hole.

**How much mass does something need to become a black hole?** The minimum mass required for an object to become a black hole is approximately 3 times the mass of the Sun. This is known as the Tolman-Oppenheimer-Volkoff (TOV) limit, which is around 2.7 solar masses.

**Is the mass of a black hole infinite?** No, the mass of a black hole is not infinite. Black holes have a finite mass, which is concentrated within their event horizon.

**Is there a formula for a black hole?** There are several mathematical formulas that describe various properties of black holes, including the Schwarzschild radius formula, which calculates the size of the event horizon based on mass, and the formula for the Schwarzschild metric, which describes the spacetime around a non-rotating black hole.

**How heavy is the mass of a black hole?** The mass of a black hole can vary widely, from a few times the mass of the Sun to millions or even billions of times the mass of the Sun, depending on the type of black hole.

**Is there a mass in a black hole?** Yes, black holes have mass. The mass is concentrated at the singularity at the center of the black hole, where the gravitational forces become infinitely strong.

**What is the smallest mass possible for a black hole?** As mentioned earlier, the smallest mass for a black hole is approximately 3 times the mass of the Sun, which corresponds to the TOV limit.

**Can any mass become a black hole?** In theory, any mass can become a black hole if it is compressed within its Schwarzschild radius, which is determined by its mass. However, this requires an extremely high density and is not achievable under normal conditions.

**How quickly do black holes lose mass?** Black holes can lose mass over time through a process called Hawking radiation. The rate of mass loss due to Hawking radiation is very slow for stellar-mass black holes and becomes more significant for smaller black holes. It can take many billions or trillions of years for a black hole to significantly lose mass through Hawking radiation.

**How heavy is a singularity?** The singularity at the center of a black hole is often described as having infinite density and zero volume. It is a point where the mass of the black hole is concentrated, and the laws of physics as we understand them break down.

**Do black holes lose mass when they collide?** When two black holes collide and merge, they can lose a small fraction of their combined mass due to the emission of gravitational waves. This loss is relatively small compared to the total mass of the black holes.

**Is mass destroyed in a black hole?** Mass is not destroyed in a black hole; it is concentrated at the singularity. However, information about the mass and properties of objects that fall into a black hole is lost to external observers, which is a topic of ongoing debate and research in theoretical physics.

**How long is 1 hour in a black hole?** Time near a black hole is affected by its strong gravitational field. Near the event horizon, time dilation becomes significant, and time appears to pass more slowly for an observer far from the black hole. The exact time dilation depends on the black hole’s mass and the observer’s distance from it.

**What is at the center of a black hole?** At the center of a black hole is a singularity, a point where the gravitational field becomes infinitely strong and our current understanding of physics breaks down.

**What can fill a black hole?** Once an object falls past the event horizon of a black hole, it is generally believed that it cannot be retrieved or filled in any way. The singularity at the center of the black hole is where the mass is concentrated, and nothing, not even light, can escape from it.

**What is the heaviest thing in the universe?** The heaviest objects in the universe are supermassive black holes, which can have masses billions or even tens of billions of times that of the Sun.

**What is heavier than a black hole?** In terms of gravitational pull and the concentration of mass, nothing is known to be heavier than a black hole.

**What is the heaviest black hole?** The heaviest black holes discovered so far are supermassive black holes at the centers of galaxies, with masses of billions or even tens of billions of solar masses.

**Where is the mass stored in a black hole?** The mass of a black hole is concentrated at its singularity, which is a point at the very center of the black hole.

**Do micro black holes exist?** The existence of micro black holes, which would be much smaller than stellar-mass black holes, is still a topic of debate among physicists. They have not been observed or confirmed as of my last knowledge update in September 2021.

**How big would a black hole with the same mass as Earth be?** A black hole with the same mass as Earth would have a Schwarzschild radius (the size of its event horizon) of about 8.9 millimeters.

**How big would a black hole be with the mass of the universe?** A black hole with the mass of the entire observable universe would have a Schwarzschild radius on the order of billions of light-years.

**What is the lifespan of a black hole?** Black holes, as far as current scientific understanding goes, do not have a finite lifespan. They can persist for an extremely long time, with some theories suggesting they may eventually evaporate through Hawking radiation over an exceedingly long timescale.

**What are the 4 types of black holes?** The four main types of black holes are:

- Stellar-mass black holes: Formed from the gravitational collapse of massive stars.
- Intermediate-mass black holes: With masses between stellar-mass and supermassive black holes.
- Supermassive black holes: Found at the centers of galaxies and have masses ranging from millions to billions of solar masses.
- Primordial black holes: Hypothetical black holes that could have formed in the early universe.

**What is the lifetime of a black hole?** As mentioned earlier, black holes are believed to persist indefinitely, but they can lose mass through Hawking radiation over an extremely long timescale.

**What happens when 2 black holes collide?** When two black holes collide, they merge into a single, larger black hole. This event can release a tremendous amount of energy in the form of gravitational waves, which have been detected by observatories like LIGO and Virgo.

**Will black holes eventually consume everything?** Black holes only consume objects that come within their gravitational influence and cross their event horizon. They do not “consume” everything in the universe, as most objects in the universe are not on a collision course with black holes.

**What is the ultimate fate of a black hole?** The ultimate fate of a black hole is still a subject of research and debate. It is possible that black holes can slowly lose mass through Hawking radiation and eventually evaporate completely, leaving behind nothing. Alternatively, they may persist indefinitely.

**How many dimensions exist?** In theoretical physics, there are various theories that suggest the existence of more than the familiar three spatial dimensions and one time dimension. String theory, for example, proposes the existence of extra spatial dimensions, possibly as many as 10 or 11 dimensions, but these dimensions are not directly observable at our macroscopic scale.

**What would a Planck star look like?** A Planck star is a hypothetical object that might replace the singularity at the center of a black hole in some models of quantum gravity. It is difficult to describe its appearance because it is a highly theoretical concept, and our current understanding of physics cannot accurately predict its properties or appearance.

**Can humans reach singularity?** Reaching the singularity at the center of a black hole is currently beyond the realm of possibility with our current technology and understanding of physics. The intense gravitational forces near the singularity would destroy anything attempting to approach it.

**Do black holes rip things apart?** Yes, black holes can rip apart objects that come too close to their event horizon due to the extreme tidal forces they exert. This process is known as “spaghettification.”

**Can a black hole consume another black hole?** Yes, two black holes can merge and consume each other, resulting in a single, larger black hole. This process has been observed through the detection of gravitational waves from black hole mergers.

**What happens when 3 black holes collide?** When three black holes collide, they can merge into a single, larger black hole, releasing even more energy in the form of gravitational waves than a two-black-hole merger.

**What would happen if antimatter hit a black hole?** When antimatter comes into contact with matter, they annihilate each other, releasing energy. If antimatter were to fall into a black hole, this annihilation process would still occur, but the energy would be added to the mass of the black hole.

**Where does all the matter in a black hole go?** The matter that falls into a black hole is believed to be concentrated at the singularity, where the laws of physics as we know them break down. The exact fate of this matter is still a subject of research and debate.

**Why do black holes not swallow all of space?** Black holes do not swallow all of space because their gravitational influence is limited to a finite region determined by their mass. Objects need to come within a certain distance of a black hole (cross the event horizon) to be trapped by its gravity.

**Does time reverse in a black hole?** Time does not reverse inside a black hole, but the extreme gravitational effects near the singularity can cause time dilation and strange effects, such as the stretching of time as observed from an external observer.

**How many days on Earth is one day in a black hole?** The exact time dilation factor inside a black hole depends on its mass and the observer’s distance from it. Near the event horizon, time can pass much more slowly relative to an observer far from the black hole. The ratio is not a simple integer, and it depends on specific conditions.

**Would you see the beginning and end of the universe in a black hole?** It is currently unclear what would be observable from inside a black hole, as our understanding of the behavior of matter and energy near the singularity is incomplete. The singularity itself is a region where our known physical laws break down.

**Is the center of a black hole cold?** The concept of temperature near the singularity of a black hole is not well-defined in the same way we understand temperature in everyday contexts. The singularity is associated with extreme conditions, such as infinite density and gravitational forces, rather than temperature as we typically understand it.

**What is the closest black hole to Earth?** The closest known black hole to Earth is V616 Monocerotis, also known as A0620-00. It is located in the constellation Monoceros, about 3,000 light-years away from Earth.

**Do wormholes exist?** Wormholes are theoretical passages through spacetime that could potentially connect distant parts of the universe or even different universes. However, as of my last knowledge update in September 2021, there is no direct evidence of the existence of wormholes, and they remain a topic of theoretical speculation.

**Which object can destroy a black hole?** There is currently no known object or process that can destroy a black hole once it has formed. Black holes are extremely stable gravitational objects.

**What feeds a black hole?** Black holes are primarily “fed” by accreting matter from their surroundings. This matter can include gas, dust, stars, and other objects that come within the gravitational influence of the black hole. The accretion process can release energy and produce intense radiation.

**What triggers a black hole?** Black holes are formed through the gravitational collapse of massive stars or through the accretion of matter in dense regions of space. They are not “triggered” in the conventional sense but rather result from the natural evolution of massive objects.

**What is the rarest thing in the whole universe?** Determining the “rarest” thing in the universe can be subjective, as it depends on how one defines rarity. Some candidates for rare cosmic phenomena include certain exotic particles, primordial black holes, and extremely rare celestial events.

**What is the strongest thing in the universe?** The strongest force in the universe is often considered to be the gravitational force, which is responsible for holding galaxies, stars, and planets together. The strong nuclear force is the strongest of the fundamental forces at subatomic scales.

**What is the hottest thing in the universe?** The hottest known natural phenomenon in the universe is the interior of massive stars during their fusion processes, where temperatures can reach tens of millions of degrees Celsius. In contrast, extremely high-energy experiments in particle accelerators can briefly produce even higher temperatures.

**What is the rarest black hole in the universe?** The rarest type of black hole may be the hypothetical “primordial black holes,” which are thought to have formed in the early universe due to high-density fluctuations. However, these remain theoretical, and none have been confirmed as of my last knowledge update.

**Which thing is stronger than a black hole?** In terms of gravitational pull and the concentration of mass, nothing known in the universe is stronger than a black hole.

**Is the weight of a black hole infinite?** The weight (mass) of a black hole is not considered infinite. It is a finite quantity, but it is concentrated within a very small region, leading to extremely strong gravitational effects near the singularity.

**How many suns does it take to fill a black hole?** A black hole’s mass is often compared to solar masses (the mass of our Sun). For example, a black hole with 10 solar masses would be roughly equivalent in mass to 10 suns.

**Do ultramassive black holes exist?** As of my last knowledge update in September 2021, ultramassive black holes, which would have even greater masses than supermassive black holes, have not been conclusively observed. However, there is ongoing research into the possibility of their existence.

**How many suns fit in a black hole?** The number of suns (solar masses) that can fit into a black hole depends on the mass of the black hole. For example, a black hole with 10 solar masses contains the equivalent mass of 10 suns.

**How big is a singularity?** The singularity at the center of a black hole is often described as a point with zero volume and infinite density. It is a mathematical concept where the laws of physics as we currently understand them break down.

**Is the gravity of a black hole infinite?** The gravitational field around a black hole is not truly infinite but becomes infinitely strong as you approach the singularity at its center. This extreme gravitational field is what gives black holes their unique properties.

**Do black holes lead to other universes?** The idea that black holes might lead to other universes is a speculative hypothesis related to certain theories in cosmology and string theory. However, this concept is highly theoretical and not yet substantiated by experimental evidence.

**How much energy would it take to create a black hole?** Creating a black hole would require an enormous amount of energy, far beyond current technological capabilities. The exact amount of energy needed depends on the desired mass of the black hole, but it would be on the order of many times the mass-energy equivalence of the object.

**How many black holes are in the Milky Way?** The Milky Way galaxy is believed to contain hundreds of millions to possibly billions of stellar-mass black holes. It also likely harbors a supermassive black hole at its center, known as Sagittarius A*.

**What would happen if a 1mm black hole appeared on Earth?** If a black hole with a mass equivalent to 1mm were to suddenly appear on Earth, it would be an extremely dangerous and catastrophic event. It would have a strong gravitational pull and could potentially consume nearby matter, causing significant destruction.

**Can anything with mass become a black hole?** In theory, any object with sufficient mass can become a black hole if it is compressed within its Schwarzschild radius. However, this requires an extremely high density and is not achievable under normal circumstances.

**How much mass does something need to become a black hole?** An object needs a minimum mass of approximately 3 times the mass of the Sun (around 2.7 solar masses) to become a black hole. This mass is known as the Tolman-Oppenheimer-Volkoff (TOV) limit.

**What is the biggest mass a black hole can have?** The largest black holes observed so far are supermassive black holes, with masses ranging from millions to billions of times that of the Sun. The upper limit on the mass of a black hole is not well-defined and may depend on various factors, including the conditions of the early universe.

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