# 7 Best Free Cubic Equation Solver Websites

Here is a list of **best free cubic equation solver websites**. The cubic equation is a type of algebraic equation of degree three and is represented as **ax^3 + bx^2 + cx + d = 0**. If you want to solve cubic equations without using typical cubic equation solver software and apps, then check out these websites.

Using these websites, users can easily solve all types of cubic equations without putting in much effort. To solve a cubic equation, users need to enter the values of all four variables namely **a,b, c, **and **d**. After entering the values, users can initiate the cubic equation calculation process. After calculating the cubic equation, it shows output **X1, X2, **and **X3** values. Besides this, some websites also generate **graphs** highlighting the output of a cubic equation. The process to solve cubic equation through all these websites are quite simple. Still, to help out new users, I have included the necessary conversion steps in the description of each website.

These websites also offer additional online calculators such as **Plane Geometry, Volume and Surface Area, Area Calculator,** etc. Go through the list to know more about these websites.

### My Favorite Cubic Equation Solver Website:

**WolframAlpha **is my favorite website as it can easily solve cubic equations as well as plot the cubic equation graph.

You can also check out lists of best free Online Electricity Cost Calculator, Online Line Intersection Calculator, and Online Hash Calculator websites.

## WolframAlpha

**WolframAlpha** is a **free cubic equation solver website**. Using this website, users can easily solve standard cubic equations namely **ax^3+bx^2+cx+d=0**. To solve the cubic equation, users need to manually enter values of equation variables namely **a, b, c, **and **d**. According to the input variable values, it calculates the cubic equation and provides the output values along with **graph plots**. Now, follow the below steps.

### How to solve a cubic equation using WolframAlpha website:

- Visit this website and enter input variable values.
- After that, click on the
**Submit**button to start the calculation process. - Next, users can view the output value of
**X**along with two sets of graphs highlighting the equation.

### Additional Features:

**EMBED Code**: Use this code to integrate this cubic equation solver tool on your website.**Widgets**: This website offers many additional online widgets such as**Derivative Solver, Human Growth Charts, Smart Unit Converter,**and more.

### Final Thoughts:

It is another good and easy-to-use cubic equation solver website that not only solves the cubic equation but also plots charts.

## calculatorsoup.com

**calculatorsoup.com** is a free cubic equation solver website. Using this website, users can solve all types of cubic equations with ease. To do that, it offers a dedicated **Cubic Equation Calculator tool**. In this tool, users need to specify the input variable values (**a, b, c, **and **d**) present in the **cubic equation** (**ax^3+bx^2+cx+d=0**). Now, follow the below steps to solve a cubic equation using this website.

### How to solve cubic equations online using calculatorsoup.com:

- Go to this website using the below link.
- After that, enter the values of input variable values (a, b, c, and d).
- Next, click on the
**Calculate**button to start the calculation. - Once the calculation gets completed, users can view the output solutions for
**X**(x1, x2, and x3).

### Additional Features:

**Widget Code**: It provides a cubic calculator widget code that users can add to their websites to integrate this tool to their websites.**Calculators**: This website offers many mathematical calculators such as**Fractions, General Math, Algebra, Statistics, Geometry,**and more.

### Final Thoughts:

It is a good cubic equation solver website that anyone can use to quickly solve cubic equations.

## Keisan Online Calculator

**Keisan Online Calculator** is another free cubic equation solver website. Using this website, users can solve and find out the value of **x** after solving the cubic equation **ax^3+bx^2+cx+d=0**. To start the calculation, users need to first input the values of variables named as **a, b, c, **and **d**. Now, follow the below steps.

### How to calculate cubic equations using Keisan Online Calculator:

- Go to this website using the below link.
- After that, enter all four variable values (a, b, c, and d) and hit the
**Execute**button to start the calculation process. - Now, users can view output values in the form of
**X1, X2,**and**X3**.

This website also generates a graph highlighting the output cubic equation solution.

### Additional Features:

- This website offers many online calculators such as
**Plane Geometry, Volume and Surface Area, Area Calculator, Space Geometry Calculator,**and more. - A handy
**Advanced Calculator**section is also offered by it that allows users to enter and solve entire mathematical equations.

### Final Thoughts:

It is another good cubic equation solver website that offers all the essential tools to calculate cubic equations of various types.

## 1728.org

**1728.org** is yet another free cubic equation solver website. Using this website, users can easily solve the cubic equations for different sets of input variable values. After calculating the cubic equation, this website shows output values in the form of **X1, X2, **and **X3**. Besides this, it also shows a graph highlighting the output cubic equation value. Now, check out the below steps to solve cubic equation using this website.

### How to solve cubic equations using 1728.org:

- Go to this website using the given link.
- After that, manually enter the input variable values in
**A, B, C,**and**D**fields. - Next, hit the
**Enter**button to start the calculation process and get the output values along with the graph.

### Additional Features:

- This website also offers an online tool to solve
**Quadratic**and**Quartic equations**.

### Final Thoughts:

It is another capable cubic equation solver website that offers all the essential tools to solve cubic equations.

## emathhelp.net

**emathhelp.net** is yet another free cubic equation solver website. On this website, users can manually enter an entire cubic equation and perform the calculation. Users need to enter the cubic equation in **x^a-bx^2+d=0** format. Now, check out the below steps.

### How to calculate cubic equations using emathhelp.net:

- Launch this website and manually enter a cubic equation in the
**Enter a cubic equation**field. - After that, click on the
**Calculate**button to initiate the calculation process. - Lastly, users can view the output x1, x2, and x3 values.

### Additional Features:

- This website comes with many mathematical online calculators such as
**Factoring Calculator, Equation Solver, Inverse Function Calculator, circle Calculator,**and more.

### Final Thoughts:

It is a simple yet very capable cubic equation solver website that anyone can use to solve all types of cubic equations.

## EasyCalculation.com

**EasyCalculation.com** is another free cubic equation solver website. This website offers a dedicated cubic equation calculator tool in which users need to input **a, b, c, **and **d** variable values. According to the input variable values, this calculator calculates and shows the output values in the form of **X1, X2, **and **X3**. Now, follow the below steps.

### How to calculate cubic equations using EasyCalculation.com:

- Go to this website using the below link.
- After that, enter all four input variable values.
- Next, click on the
**Calculate**button to get the output values.

### Additional Features:

**Cubic Equation Formula**: It shows all the formulas this tool takes to solve a cubic equation.**Calculators**: This website comes with many online calculators like**Synthetic Division Calculator, Quartic Equation Calculator, Polynomial Equation Solver,**and more.

### Final Thoughts:

It is another good cubic equation solver website that anyone can use without putting in much effort.

## mathforyou.com

**mathforyou.com** is the last free cubic equation solver website. On this website, users can view a default cubic equation that users can adjust according to their requirements and start the cubic equation calculation process. Now, follow the below steps.

### How to solve cubic equations using mathforyou.com:

- Launch this website and replace the variable values of the default cubic equation provided by this website.
- After that, click on the
**Solve**button to start the calculation process. - In the end, users can view the calculated
**X1, X2,**and**X3**values.

### Additional Features:

**Step by Step Solution**: This feature shows all the steps that this tool takes to solve a cubic equation. in details.**Additional Calculators**: This website also offers multiple online calculation tools like*complex number calculation, polynomial operations, function analysis, integral transformations, numerical methods,*and more.

### Final Thoughts:

It is another good cubic equation solver website that not only calculates a cubic equation but also shows all the calculation steps.

### Naveen Kushwaha

Passionate about tech and science, always look for new tech solutions that can help me and others.

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