13 Best Free Online Escape Velocity Calculator Websites

Here is a list of the best free online escape velocity calculator websites. When a body gets near a planet or other astronomical object, it gets gravitationally attracted by the object. To get out of the orbit of that object, the body needs to overcome the gravitational pull exerted on it. For that, the body must have to move away from the object at a certain amount of velocity. The minimum amount of velocity it needs to escape the orbit of a planet or other object.

You can easily calculate the escape velocity of an object as long as you know its mass and radius. You just have to put those values in the escape velocity formula to get the value. These calculators can do that calculation for you. Here are 13 different calculators covering multiple features and using various unit systems. You can explore them in detail and select the one that you would like to pick to ease your calculations.

My Favorite Escape Velocity Calculator

Keisan is my favorite escape velocity calculator website on this list. This calculator finds the escape velocity from mass, radius, orbital radius, and gravity of the object. It also includes the influences of bigger bodies nearby such as an orbiting star. Based on all that information, it just gives you not just the escape velocity but cosmic escape velocities. It calculates first cosmic velocity, second cosmic velocity, orbital speed, orbital period, and third cosmic velocity. And, it can do that for all the planets in our solar system including the moon and sun within a few clicks.

You can check out our lists of the best free Terminal Velocity Calculator Websites, Online Net Force Calculator Websites, and Online Acceleration Calculator Websites.

Keisan

Keisan offers a free online escape velocity calculator. This calculator can help you find out the escape velocity of any astronomical object. For that, you have to enter the mass, radium, orbital radius, and gravity of the object. It also takes the orbiting start/galaxy into the account. So you have to enter the mass of that star as well. With that information, it gives you the first cosmic velocity, second cosmic velocity, orbital speed, orbital period, and third cosmic velocity. This calculator covers all the planets of our solar system including the moon and sun. This makes it easy to calculate the escape velocity for all the planets, moon, and sun. You can simply pick the planet from the dropdown and get the escape velocity.

Highlights:

  • This calculator can calculate the escape velocity of any object.
  • It finds the escape velocity from mass, radius, orbital radius, and gravity.
  • It calculates first cosmic velocity, second cosmic velocity, orbital speed, orbital period, and third cosmic velocity.
  • Users can view the formulas used for each calculation.
  • It has calculation presets of all the planets in our solar system along with the moon and sun.

HyperPhysics

HyperPhysics has a free online escape velocity calculator that you can use. This calculator finds the escape velocity from the mass and radius. However, you can not just insert those values right away. It takes the value in terms of Earth’s measurements. It has a chart of all the planets in our solar system. This makes it easy to find the escape velocity of any of these planets. But if you want to calculate it for some other object then you have to convert its measurements relative to Earth measurements first.

Highlights:

  • This calculator can calculate the escape velocity of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • The input must be relative to Earth’s measurements.
  • It has a measurement chart of all the planets of our solar system.

Omni Calculator

Omni Calculator is a popular website that offers online calculators covering a wide variety of fields. It has an online escape velocity calculator that you can use online. This calculator takes the mass and radius of the object as input and then shows the first cosmic velocity and the escape velocity. You can also find any of the missing values from these 4 by entering the remaining known values. This calculator supports many measuring unit systems. So, you can pick the one as per the values known to you. This way, you can easily calculate the escape velocity using this calculator.

Highlights:

  • This calculator can calculate the escape velocity of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • Option to change the measuring unit for each parameter.
  • It calculates the first comic velocity and the escape velocity.
  • Option to share the escape velocity results online.

Escape Velocity Calculator | 1728.org

This Escape Velocity Calculator by 1728.org is a simple tool to determine the escape velocity of any object. It finds the velocity based on the mass of the object and the radius of the object. It supports both metric and imperial unit systems. You can pick the measurement unit for each value separately. Then you can enter the values to get the results. Apart from the escape velocity, mass, and radius; this calculator also finds the surface gravity and acceleration due to gravity as well.

Highlights:

  • This calculator can calculate the escape velocity or mass or radius of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • Option to change the measuring unit for each parameter.
  • It shows the escape velocity in Km/s and Miles/s.
  • It also finds the surface gravity and gravitational acceleration of that object/planet.

Byjus

Byjus is an online learning platform offering resources for students of all ages. It also offers online tools and calculators. You can use its online escape velocity calculator to determine the escape velocity of any object. This calculator has three input fields; mass, radium, and escape velocity. To get the escape velocity, enter the mass and radius and put ‘x’ for the escape velocity. When you run the calculation, it gives you the escape velocity. Similarly, you can use this calculator to find the mass and radius as well.

Highlights:

  • This calculator can calculate the escape velocity or mass or radius of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • It follows the metric unit system for the measurements.

Easy Calculation

Easy Calculation is a free website with online calculators, converters, tutorials, and more. It features an online escape velocity calculator that you can use. This is a simple calculator that can find the escape velocity, mass, and radius of an object. First, you have to pick what you want to calculate. Then enter the other two known values into the calculator to get the result. This calculator supports the metric unit system. So if you have your measurement in any other system, you have to convert them first to use this calculator.

Highlights:

  • This calculator can calculate the escape velocity or mass or radius of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • It follows the metric unit system for the measurements.

Calculator School

Calculator School is another free website with an online escape velocity calculator. This calculator is identical to Easy Calculation. You can use it to find the escape velocity, mass, or radius of an object. First, you have to select what you want to calculate. Then you have to enter the required values. The calculator follows the metric unit system so all the values must be in metric. After that, you can simply calculate and get the results.

Highlights:

  • This calculator can calculate the escape velocity or mass or radius of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • It follows the metric unit system for the measurements.

Calc Tool

Calc Tool is another free website with online calculators and converters. It offers a free escape velocity calculator. This simple calculator has input fields for the mass and the radius. You can simply add the mass and radius of the object whose escape velocity you want to calculate. You can pick the measuring unit of your choice for that and then run the calculation. Within a second, it gives you the escape velocity of that object.

Highlights:

  • This calculator can calculate the escape velocity of any spherical object.
  • It finds the escape velocity from the mass and radius of the object.
  • It Supports multiple unit systems for the measurements.

Endmemo

Endmemo offers online calculators and tools for Physics, Maths, Science, Chemistry, Biology, and more. Under the Physics section, it has a free escape velocity calculator. This calculator has input fields for mass, radius, and escape velocity. You can enter any two values and get the third one. To find the escape velocity, just enter mass and radius. You can change the measuring unit of both parameters as per the known values. Then you can use the calculator to get the escape velocity.

Highlights:

  • This calculator can calculate the escape velocity or mass or radius of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • This calculator works with various measuring unit systems.

GetCalc

GetCalc has a simple escape velocity calculator that you can use online. The calculator asks for the mass and radius of the object. You can enter those values either in the metic or US Customary unit system. After that, click the “Calculate” button from the number pad to get the escape velocity. It gives the escape velocity value in the selected unit system. Along with that, it also explains the escape velocity and has a chart listing all the planets with their escape velocities.

Highlights:

  • This calculator can calculate the escape velocity of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • It uses the metric and US Customary unit systems.
  • Lists all the planets with their escape velocities.

Calculator Academy

Calculator Academy is another free website with a wide library of online calculators. This website has an escape velocity calculator. The calculator strictly uses a metric system for measurement. To calculate the escape velocity, you have to enter the mass in ‘Kg’ and then the radius in ‘meters’. When you do that, it gives you the value of escape velocity in ‘m/s’.

Highlights:

  • This calculator can calculate the escape velocity of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • It strictly uses one metric system for measurements.

Wings of Aero

Wings of Aero offers an online collection of engineering and science calculators. Among those, there is an escape velocity calculator. This calculator takes the mass of the object and the radius of the object to calculate the escape velocity. To use this calculator, you must have the mass of the object in ‘Kg’ and the radius of the object in ‘meters’. Then you can insert those values to get the escape velocity in ‘meters per second’.

Highlights:

  • This calculator can calculate the escape velocity of a spherical object.
  • It finds the escape velocity from the mass and radius of the object.
  • It strictly uses one metric system for measurements.

Stuegli

Stuegli is yet another free website offering an online escape velocity calculator. This calculator shows as a popup on the screen. There are two input fields; one for mass and one for radius. You have to enter the mass and radius of the object there. Do note that, the values must be relative to Earth. When you run the calculations, it gives you the escape velocity in ‘meters per second’. This calculator also converts the escape velocity to ‘Kilometers per hour’ and Miles per hour’ and shows those values on the screen.

Highlights:

  • This calculator can calculate the escape velocity of any object.
  • It finds the escape velocity from the mass and radius of the object.
  • The input must be relative to Earth’s measurements.
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