12 Best Free Online Free Fall Calculator Websites

Check out these best free online free fall calculator websites. Free fall is basically the downward motion of an object under the influence of gravity. The force of gravity exerts a force on the object that accelerate its downward motion. This force is measured as the gravitational acceleration of the body. The gravitational acceleration of Earth is 9.8 m/s². This value is different for different bodies such as Sun, Moon, Mars, Comet, etc. The gravitational acceleration is a crucial factor to determine the other parameters of a free fall scenario.

This post covers 12 websites with free fall calculators. These calculators can help you determine the various parameters of a free fall. All these calculators are pre-configured to work with the Earth’s gravitational acceleration but you can change that value for other scenarios as well. Do note that there are a few assumptions these calculators follow. The falling trajectory of the object is a straight line and there is no friction acting on the falling object. With that said, let’s go through the post and check these calculators in detail.

My Favorite Online Free Fall Calculator

CalcTool.org is my favorite website on this list to calculate free fall. This is one of the most versatile free fall calculators where you can calculate any parameter of free fall including the height, initial velocity, final velocity, and time of fall. Along with that, it can also determine Velocity and Height for any given time during the free fall.

You can check out our other lists of the best free online Inequality Calculator websites, online Diagonalize Matrix Calculator websites, and online Crosswind Calculator websites.

Overview Table:

WebsitesOutputInterchangeable UnitsGA (g)
CalcTool.orgSwitchable*PossibleEarth/Edit
OmniCalculator.comSwitchable*PossibleEarth/Edit
TranslatorsCafe.comSwitchable*PossiblePlanets/Edit
Calculator-Online.netSwitchable*PossibleEarth/Edit
Swiftutors.comDistance & VelocityNot PossibleEarth/Edit
Calculator.academySwitchable*Not PossibleEarth
Symbolab.comTime/VelocityPossibleEarth
Keisan.Casio.comDistance & VelocityNot PossibleEarth/Edit
WolframAlpha.comDistance & VelocityPossibleEarth
Taskvio.comDistance & VelocityNot PossibleEarth/Edit
Angio.netTime/VelocityNot PossibleEarth
PhysicsCalc.comDistance & VelocityPossibleEarth/Edit
* To calculate Time & Velocity, Height & Velocity, or Time & Height

CalcTool.org

CalcTool.org offers a free online free fall calculator. This calculator has Earth’s gravitational acceleration preconfigured into it and locked. You can unlock that and change the value. The calculator allows you to calculate various parameters of free fall. This includes Initial Velocity, Initial Height, Total Time of Fall, and Final Velocity. You can simply provide any two values to get the other two values. Along with that, you can also get three additional parameters including Time, Velocity at time, and Height at time. Here you can simply add any time interval during free fall to get the Velocity and Height at that point.

Highlights:

  • Preconfigured for Earth’s gravitational acceleration.
  • Editable gravitational acceleration to work with any value.
  • It can calculate Initial Velocity, Initial Height, Total Time of Fall, or Final Velocity.
  • It can also determine Velocity and Height at any given time interval.
  • You can switch the measurement unit of each parameter separately.

OmniCalculator.com

OmniCalculator.com is a popular website with a wide catalog of online calculators. It offers a free fall calculator that you can use to calculate various parameters involves during a free fall. The calculator has the value of Earth’s gravitational acceleration pre-configured and locked. You can unlock the parameter and can replace the value with other planets’ gravitational acceleration or any custom value. Then there are Initial Velocity, Height, Time of fall, and Velocity. You can simply add any two parameters. This way, you can use this calculator to calculate fall height, time, or speed of falling.

Highlights:

  • Preconfigured for Earth’s gravitational acceleration.
  • You can change the value of gravitational acceleration.
  • It can calculate Initial Velocity, Height, Time of Fall, and Velocity.
  • It lets you change the measurement unit of each parameter separately.

TranslatorsCafe.com

TranslatorsCafe.com offers a free online free fall calculator to calculate velocity, time, and distance. This calculator has a list of the Sun, planets, and moon of our solar system. You can simply select one where you want to perform the calculation. Based on your selection, it fills in the gravitational acceleration of the selected body. Alternatively, you can manually add the value of the gravitational acceleration. Then you can use the calculator to find either the Height, Time, or Velocity. You have to provide one of these parameters to the calculator and it gives you the other two.

Highlights:

  • Options to add the gravitational acceleration or pick planets.
  • It can calculate Height, Time of Fall, and Velocity.
  • You can switch the measurement unit of each parameter separately.

Calculator-Online.net

Calculator-Online.net is a free website that offers online calculators for various needs. It has a free fall calculator that you can configure to calculate Time & Velocity, Height & Velocity, or Time & Height. The calculator asks you to pick what you want to calculate. The value of the gravitational acceleration is set as per the Earth’s gravitational acceleration and you can change this value as per your calculation. You can also pick measurement units for each parameter. Then you can simply add the asked values and get the output.

Highlights:

  • Preconfigured for Earth’s gravitational acceleration.
    You can change the value of gravitational acceleration.
  • It can calculate Time & Velocity, Height & Velocity, and Time & Height.
  • It allows switching the measurement unit of each parameter.

Swiftutors.com

Swiftutors.com has a free fall calculator that you can use to free fall the distance and velocity of an object. This is a simple calculator that calculates the free fall distance and free fall velocity. It is pre-configured with the Earth’s gravitational acceleration. But you can change the value to make it work for other planets or celestial objects. Then you have to add the time taken by the falling object to reach the ground. With that, it gives you the total distance (height) and falling velocity.

Highlights:

  • This calculator is preconfigured for Earth’s gravitational acceleration.
  • You can change the value of gravitational acceleration.
  • It can calculate Distance (Height) & Velocity.
  • The measurement units are fixed.

Calculator.academy

Calculator.academy is another free website that offers online calculators across topics. It has a free fall calculator that you can use to calculate falling height, time of fall, and final velocity. The calculator is pre-configured for Earth’s gravitational acceleration. That means it only works for objects falling on Earth. With that said, it has three parameters for Height, Time, and Velocity. You can add any of these parameters and get the values of the remaining parameters.

Highlights:

  • This calculator is preconfigured for Earth’s gravitational acceleration only.
  • It can calculate Height, Time & Velocity.
  • The measurement units are fixed.

Symbolab.com

Symbolab.com offers a free online free fall calculator. The calculator shows the free fall velocity formula at the top followed by inputs for Initial Velocity, Time of fall, and Velocity. There is no option to add the value of gravitational acceleration as the calculator is preconfigured for Earth’s gravitational acceleration. All you have to do is add the Initial Velocity along with any of the other two parameters (Time or Velocity). When you do that, it instantly calculates the value of the remaining parameter.

Highlights:

  • This calculator is preconfigured for Earth’s gravitational acceleration only.
  • It can calculate Initial Velocity, Time & Velocity.
  • The measurement units are changeable.

Keisan.Casio.com

Keisan.Casio.com also has a free online free fall calculator. This is a handy calculator to quickly figure out the falling distance and free fall velocity of a falling object anywhere. To do that, you have to provide the time of the fall along with gravitational acceleration. The calculator has the value of Earth’s gravitational acceleration filled by default. If your object is on Earth then that’s alright otherwise you have to change this value accordingly. This calculator gives you the option to change between metric and imperial unit systems. You can pick a unit system of choice and get the output according to that.

Highlights:

  • This calculator lets you define the value of gravitation acceleration.
  • It can calculate Distance (Height) & Velocity.
  • The measurement units are changeable between Metric and Imperial.

WolframAlpha.com

WolframAlpha.com is a popular answer engine where you can find a free fall calculator. This particular calculator helps you find the time of fall and the final speed of the object. It is configured to work with the Earth’s gravitational acceleration. It asks for the falling distance. You can have to enter the distance along with the measurement unit you used. With that, it gets you the fall distance and final speed. Do note that, this calculator is based on the assumption that the object is falling vertically without drag. If you want to factor in the drag, you can find a link to that calculator there.

Highlights:

  • This calculator is configured for Earth’s gravitational acceleration.
  • It can calculate Distance (Height) & Speed.
  • You can use your choice of measurement units.

Taskvio.com

Taskvio.com is another free website with an online free fall calculator. This calculator determines the Velocity and Height of a free falling object. To do that, it needs the Initial Velocity of the object and the Time of fall. Along with that, it needs gravitational acceleration. It has the value of Earth’s gravitational acceleration preconfigured and you can also edit it for other environments. With those inputs, the calculator gets you the final velocity of the object and the height of the fall.

Highlights:

  • This calculator has a configurable gravitational acceleration.
  • It calculates the Velocity and Height.
  • The measurement units are fixed.

Angio.net

Angio.net has a free fall calculator that can help you determine the Speed and Time of a free falling object on Earth. To do that, it asks for the height which you have to provide in meters. It is the height of the fall. Then you also have to add the mass of the object in Kg. When you do that, it gets you the Speed at the impact, the Time of fall, and Energy release at the impact.

Highlights:

  • This calculator is configured for Earth’s gravitational acceleration.
  • It calculates the Speed and Time of the fall.
  • It can energy at the impact as well.
  • The measurement units are fixed.

PhysicsCalc.com

PhysicsCalc.com is another free website with an online free fall calculator. This calculator calculates the Height and Velocity of the object falling in free fall. If the calculations are for Earth then you just have to provide the Time of fall. Otherwise, you also have to set the gravitational acceleration as per the environment. This calculator allows you to pick the measurement unit for each parameter. You can add the data in the desired unit and get the output.

Highlights:

  • This calculator has a configurable gravitational acceleration.
  • It calculates the Height and Velocity of the fall.
  • You can change the measurement units of the parameters.
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