12 Best WordPress Calculator Plugins Compared - 2026

WooCommerce Product Options is a powerful plugin that lets you easily add custom product choices like checkboxes, text fields, and price formulas,all within one tool.
It’s ideal if you want a WooCommerce measurement price calculator. You can add fields for width, height, or volume for customers to enter their measurements, then use a hidden price formula to automatically calculate the cost. Unlike simple cost calculator plugins made for one purpose, this plugin offers a full set of product add-ons with many field types and customization options.

Stores that sell measurement-based products often want to offer additional choices, too. For example, curtain shops let customers enter dimensions and also pick styles, colors, or heading types. That’s why a complete product options plugin gives you much more flexibility and value than a basic calculator alone. Create custom pricing formulas for automatic cost calculation

Key Features of WooCommerce Product Options

• Includes 16+ field types
• Supports 9 pricing options
• Features conditional logic
• Includes advanced rules
• Provides live previews

As the name of this plugin suggests, with the Calculated Fields Form plugin you will be able to create “forms with dynamically calculated fields to display the calculated values”. It comes with a form builder so you can add or edit different field types.

The Calculated Fields Form plugin can actually make calculates for a lot of different things, such as: ideal weight calculators, general calculators, calorie calculators, quotes for both hotel bookings and car rentals, loan and finance, pregnancy and much more. You will be able to add as many calculated fields as you want. There is support for multi page forms as well.

Other Features of the Calculated Fields Form Plugin Are:

• Five pre built samples
• Predefined forms template
• Calculated fields can be hidden fields

And there is a premium version as well if you are interested in more features.

With the Calculator Pro WordPress plugin you will get the calculatorpro.com’s  entire collection of online calculators for WordPress. You will be able to customize as well as embed any of the calculators into your posts, pages, or even a sidebar by using the shortcode. Some examples of calculators you will get with Calculator Pro are: financial calculator, conversion calculators, health calculators, math calculators and much much more.

Internationalization is also now available so you will have the ability to translate your calculator which can be very helpful. This WordPress calculator plugin comes with almost five hundred different calculators so if you are looking for a calculator plugin to help you with almost any calculation you need, the Calculator Pro is probably a great choice for you.

EZ Form Calculator is a premium form-and-calculator plugin that handles both contact form functionality and calculation-based output in a single form. The drag-and-drop form builder lets you add quantity fields, selection menus, and conditional pricing without code, and the built-in math functions handle the calculation output. The plugin supports email notifications, conditional logic, and payment gateway integration for forms that need to collect both a calculation result and a payment. For businesses that need a quote form that also processes payment, EZ Form Calculator handles both sides of that workflow.

The Real Estate Mortgage WordPress plugin is a very easy to use financial calculator and it is also a great tool to use on a real estate website. This plugin can quickly calculate things like: monthly payment from sales, down payment, interest rate and length of a loan or you can even choose the monthly payment you want to find out the sales price, and you can do this all on the same form. The calculations you do will happen right away upon each updated entry.

With the WPCalc WordPress plugin you will be able to create your own online calculator for both you and your customers who visit your website. You can add as many calculated fields as you want. There is an easy and visual calculator interface and you can use things like: check boxes, radio buttons, drop down menus, and input elements for the calculator.

With the WPCalc plugin it is also really easy to make a copy of a form, all you have to do is click the “duplicate button”. And you will have the ability to create up to three calculators for your various needs. This WordPress calculator plugin also has a Pro version available if you would like to have more features for you to use.

uCalc is a WordPress calculator integration plugin that connects your site to the uCalc calculator builder platform. Rather than building calculators inside WordPress, you design them in uCalc’s visual online builder and then embed the finished calculator on any WordPress page via the plugin. The uCalc platform supports loan calculators, cost estimators, ROI calculators, and custom formula-based calculators with no coding required. For teams who want to build complex calculators with a dedicated visual tool rather than WordPress’s plugin settings panels, the uCalc approach separates the calculator design work from the WordPress installation.

This plugin, as you might have already figured out, answers the very pressing question “at what age can I retire?”. This plugin can help you to easily answer that question and it will create a very detailed schedule with projected date based investments and charts. Your users will have the ability to choose their own currency and date convention used in the investment schedule.

You will be able to choose from four predefined sizes or modify CSS style to customize and change colors. This plugin can be used in either a page or a post by using the shortcode. This plugin is responsive as well so it can be used and work well on different devices, from large desktops to small mobile phones and touch devices.

The FC Loan Calculator WordPress plugin is a general purpose loan calculator that will be able to solve for a monthly loan payment “and creates a detailed amortization schedule with date based payments”. Your users will also able to see a set of charts so they will be able to visualize the loan. Your users will also be able to choose their own currency if they live somewhere else.

This is great because you will be able to have a wider client base and bring you more business. You will be able to choose from one of four predefined sizes or you can change an alter the CSS file to customize colors and size. The FC Loan Calculator plugin also has a reposnive design so no matter what device your user is using to access your site, this plugin will still work.

And last but not least of our WordPress calculator plugins is the Zigaform plugin. This is a calculator and cost estimation form builder plugin. This plugin is great because it has a real time drag and drop form builder so you can see the edits and customizations that you make as you do it. Zigaform will be able to estimate any service for your clients and they can then make their payment using a payment gateway, and there is an offline payment gateway as well.

It is cross browser compatible too so no matter what web browser your user is using to access your site they should have no trouble using the features of this plugin. The Zigaform plugin is responsive as well so your content will always look great from large desktops to tiny mobile phones.

Other Features of Zigaform Are:

• Multi language support
• Ajax powered forms
• More than 650 custom fonts
• Bootstrap integrated

Price Calc is a WordPress calculator plugin designed for displaying configurable product or service pricing on your site. The plugin lets visitors select options from dropdowns or checkboxes, each with an associated price, and the total updates dynamically as they make selections. This makes it practical for product configurators, service packages with optional add-ons, and event pricing where the final cost depends on multiple variables. The shortcode output works in any page or post, and the plugin is compatible with standard WordPress themes without requiring page builder integration.