How to create a website calculator?

How to create a website calculator?

Calculating the final cost of a product or service, consisting of a set of options, will simplify the online calculator for the site. Used correctly, it can be an effective marketing tool and can help increase conversions.

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Why does your website need a calculator?

Imagine a situation, your company provides services for the installation of plastic windows. The market is overheated, competition is high, and there is a need to fight for every potential client. One of the elements of communication with site visitors is to provide the most transparent and understandable terms of cooperation, which include an indication of all prices for components and the total cost of installing a window. But a problem arises, there can be thousands of component variations, what should be done in this case?

Previously, in a similar situation, a price list was provided – a kind of table in the online version, or available for download. But this is extremely inconvenient for the user, so interactive calculators for websites became the solution.

In them, the visitor indicates the sizes and types of the window (based on our example), colors, components and additional services, and as a result receives the final cost. It is much more convenient and faster, thanks to which the landing page converts applications better. However, you need to understand that the page with the calculator should have related elements, for example, examples of work, reviews, benefits and other blocks. A calculator on a blank page is unlikely to be effective.

Based on the above example, the advantages of a calculator on the site include a decrease in inappropriate calls to your company. Visitors will be able to independently receive information about the cost, and in the process it will weed out those for whom your services are not suitable for the price category.

A well-implemented website calculator can improve SEO performance by influencing page ranking algorithms.

This is achieved by the fact that interactive elements, which is a calculator, attract attention, motivate the visitor to spend more time on the page, as a result, reducing the bounce rate. Also, various keywords can be easily integrated in the calculator block.

Where can you get a calculator specifically for your business?

After setting the tasks that the calculator will solve, you need to decide how to develop and implement it on the site.

There are several options.

Engaging third-party developers

It could be a freelancer or an agency. The advantages of this method:

  • The work is done on a turnkey basis, all you need to do on your part is to provide technical specifications and control the development process.
  • It is possible to implement specific options of the calculator, for example, integrate it with a CRM system, which will allow for more efficient tracking of applications.

The downside of this approach is the price, here it will vary depending on the level of the performer, the complexity of the technical assignment, and, in some cases, the deadline. But, it should be understood that if you need a unique calculator with a large set of functions and the ability to customize it for your business, then you can hardly do without a developer.

Plugins and modules for CMS

The availability of ready-made calculator plugins often depends on the popularity of the CMS, for example, there are quite a lot of them on WordPress. For example, Cost Calculator… Conveniently, you can manage and customize the calculator without leaving the site admin panel.

The disadvantages of such a solution may include:

  • Outdated design of the calculator form, and in some cases it is quite difficult to edit.
  • Often limited functionality, more suitable for the implementation of the simplest calculators.

Calculator constructors

This option is easy to implement and compatible with any CMS. There are many services on the calculator market, with the help of which you can create a convenient settlement system for free or for a small fee and implement it on your website.

The disadvantages of such a solution include the fact that calculators created on such platforms sometimes cannot be integrated with CRM systems, and applications come by mail or in the form of SMS notifications.

An overview of calculator builders

Consider the 3 most popular services for creating calculators for websites.

The service allows you to assemble a calculator in a convenient visual editor, while you can use ready-made templates. As a result, an HTML-code is proposed, with the help of which the calculator is installed on the site.

Calculator examples:

Example 1
Example 1

Example 2
Example 2

Features of the service:

  • Ready-made calculator element templates.
  • Applications come by e-mail and by SMS.
  • Possibility of using promo codes for payments.
  • Customizing the design of the calculator.
  • Flexible formulas for calculating results.
  • The introduction of discount systems – the output of several total prices.
  • Adaptation for all types of devices.
  • Using different measures or currencies.
  • There is a possibility of integration with a CRM system.


  • There is no way to import data from Excel.

Tariff plans

In the free version, you can create up to 3 forms in your personal account, while you cannot:

  • Use SMS notifications.
  • Access to the internal analytics system is closed.
  • Use pictures.
  • There is advertising.
  • Contact technical support.
  • Embed links in the calculator. tariffs tariffs

Creating a calculator

Before starting the creation, you need to log in to the service, then the system will redirect to your personal account, in which the calculators will be stored.

Two main tabs: design and formula, are responsible for the design of the form and settings for the calculation formulas.

Design customization
Design customization

The design of the form is configured in the visual editor by simply dragging and dropping elements onto the form.

Setting up a formula
Setting up a formula

On the formulas tab, the added elements are displayed in a hierarchical form, each of the items has its own price, which, for example, will be summed up when an item is added in the calculator.

Besides addition, other variations of mathematical operations are available.

Formula customization option
Formula customization option

Then, in order to install the calculator on the site, it is enough to insert the proposed HTML code into the desired block on the page.

As a result, there are all the possibilities for creating a beautiful and informative calculator in the shortest possible time with a minimum budget.

Online constructor of quiz forms and calculators for websites. A relatively young service, the functionality is constantly being improved, although it is quite enough for creating complex and beautiful calculators.

An example of the created calculator
An example of the created calculator

The database contains a set of ready-made templates that can be used to create a calculator. Moreover, each of the templates is available for editing and customization.

Work is carried out in a visual editor using the drag and drop technology – by simply dragging and dropping elements across the workspace. Data export from CSV and XLSX files is also available.

Speaking of calculator design, there are:

  • Adjust the color gamut.
  • Selecting a background image, positioning it, various overlays, etc.
  • The choice of fonts.
  • Indentation, etc.

The calculator is capable of:

  • Accept payments.
  • Send notification by email or SMS.
  • Integrate with CRM systems.
  • Send statistics to analytics systems (Google Analytics, Y. Metrika, Roistat).
  • To protect against bots, you can activate captcha.

Possible integrations
Possible integrations

The calculator can be installed via HTML-code or using plugins for CMS. This is determined on the “Publishing” tab. In the same place, you can configure the output of the calculator in a separate block or call it in the form of a pop-up window.

The main disadvantage of the service is the small number of ready-made templates in the library. But due to the fact that they can be edited, this is not a critical drawback.


There are 4 tariff plans, the free one has limitations: creating up to 5 forms, no more than 3 steps in the calculator, up to 50 answers per month. There is also an individual tariff plan, if other offers did not fit. rates rates

Each of the paid plans allows you to receive files using a calculator on the internal server and disk space up to 300 MB.

In addition, you can use the service for the first 7 days absolutely free of charge, and after that you can choose a suitable tariff plan.

As in previous services, after registration (it is not required) we get into a personal account, where it is proposed to create a calculator. There are also examples of ready-made solutions, but their set is extremely scarce. The service itself is pretty old.

An example of the created calculator
An example of the created calculator

The main advantage of this service is that it allows you to create calculators with complex calculations and implement your own scripts.

Creating a calculator

In creation mode, the screen area is divided into tools, an editing area, and an object tree. Elements are added by simply dragging them onto the work area, however, in order to position them, you will have to go into the settings of each element.

Calculator creation via
Calculator creation via

Setting items
Setting items

There are enough tools to make almost any design of the calculator, but this is much more difficult to achieve than other services. We also noticed the problem of adapting the ready-made calculator for mobile devices – the form does not always fit on the screen. Inexperienced users are encouraged to start learning based on ready-made templates. So the main disadvantages of the service can be definitely attributed to the extremely unfriendly interface.

Also, the service does not allow integration with analytics systems or CRM.


To create a calculator, free access will be enough, you can choose to insert a calculator into the site via iFrame or JavaScript.

Having a calculator for the cost of goods or services on a website can play a positive role in attracting new customers. But an integrated approach is required in the design of the page and in the creation of a calculator.

# Web development
# internet shop
# instruments

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