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Are you looking for a WordPress Calculator Plugin for your website? If the scenario is like so, you are in the exact place!

There are many types of WordPress plugins to calculate prices, measurements, dates, form fields, and more. In this article, we have hand-picked some of the best calculator plugins for your WordPress site that may help you to reduce your dilemma choosing the right plugin from a mess. Check it out.

Calculated Fields Form

This is a free calculator plugin that lets you create responsive forms with dynamically calculated fields. You can add any number of calculated fields to your forms using this plugin. Moreover, it supports multiple field types like drop-down menus, checkboxes, radio buttons, dates, and others. Besides, it works wonderfully with all themes and is cross-browser compatible.

Provided Features:

  • Visual form builder
  • Any number of calculated fields can be added
  • Easy and visual calculator interface
  • The calculator supports both easy and advanced operations
  • Supports multiple field types
  • Accept operations with dates


  • Multipurpose
  • Totally free
  • Great support

Cost Calculator Builder

Cost Calculator Builder is another best calculator plugin that allows you to create price estimation forms for your website. This helps users get a better idea of the price of your products and services. Moreover, the plugin comes with its own calculation builder with 8 different calculator elements.

Provided Features:

  • Built super easy for the visitors
  • Helps you to build any type of estimation forms
  • Allows you to easily create price estimation forms
  • Offers its own drag-n-drop calculation form builder
  •  Can create an unlimited number of calculation forms


  • Easy to use and install
  • Nice plugin
  • Useful

WordPress Mortgage Calculator Estatik

WordPress Mortgage Calculator Estatik is a useful plugin to let your users estimate their mortgage payments. It can be used as a simple calculator, with the purchase price, down payment, and interest rate. In addition, the shortcode lets you add your mortgage calculator to your sidebar or to any post or page.

Provided Features:

  • Looks good on any device from both sides
  • You can use it as a simple calculator with the Purchase price
  • Adapt calculator color according to your theme styles
  • The calculator displays result in the Popup window
  • Add calculator to your sidebars as a widget


  • Simple
  • Wonderful
  • Effective

fitness calculators plugin

If you are running a health or fitness website, you may want to allow your visitors handy calculators for their fitness parameters. This plugin helps you add a calculator for giving your visitors a detailed insight into their health. Furthermore, it also provides shortcodes for four calculator widgets like water intake, protein intake, body mass index, and body fat percentage.

Provided Features:

  • Shortcodes for four calculator widgets
  • This calculator will ask you about height and weight
  • Checking body fat percentage


  • Useful and friendly
  • Efficient
  • Functional


Zigaform is a very flexible plugin that allows you to build estimation forms in a few steps using a simple yet powerful drag-and-drop form creator. 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.

Provided Features:

  • Cost estimation and calculation feature
  • Offline Payment Gateway included
  • 42+ form elements ready to be used
  • Full skin customizer with live preview
  • Math calculation
  • Advanced grid system for building form estimators
  • Dynamic validation for your form
  • Advanced summary estimate box


  • Very flexible
  • Easy to install
  • Great support

EZ Form Calculator

Another calculator plugin we would like to recommend is EZ Form Calculator. This plugin enables you to build form calculators, advanced cost estimators, and extensive contact forms on your website in minutes for a hassle-free way to handle the financial side of your business. Besides, it allows you to create responsive emails and PDF files that can be attached to emails and sent directly, saving you a lot of both time and effort.

Provided Features:

  • Calculate form values automatically
  • Extensive conditional logic
  • Advanced calculations
  • Email notifications
  • GDPR ready
  • Form stats
  • 5 form designs


  • Intuitive form builder
  • Easily add form elements
  • Nice plugin

PVB Contact Form 7 Calculator Add-on

This plugin can be used for creating various types of calculators, such as an ideal weight calculator, calorie calculator, quote calculator for hotel booking, car rental quote calculator, mortgage calculator, tax calculator, and so on. What is more, internationalization is also now available with this plugin so you will have the ability to translate your calculator into various languages.

Provided Features:

  • Set your custom formula based on user input
  • Hide calculated fields
  • Server-side calculation
  • Calculate on button click
  • Correct floating-point math


  • Multipurpose
  • Wonderful plugin
  • Supportive


It is another respectable option for those looking for an all-around calculator. The plugin allows you to create on a similar level to the other calculator plugins on this list. Moreover, it is possible to add an unlimited amount of calculated fields, and a smooth and visual interface. Check it out!

Provided Features:

  • Any number of calculated fields can be added
  • Easy and visual calculator interface
  • “Duplicate” button to duplicate a form
  • Create up to 3 calculators for your needs
  • Copy and paste the shortcode of the window anywhere
  • Configuring calculator styles


  • Respectable option
  • Multiple calculation results
  • Easy and visual

Stylish Cost Calculator

Stylish Cost Calculator is a great way to provide customized, instant quotes for potential customers and clients. You can use one of the 7 built-in templates to get started quickly. Besides, the calculator can automatically convert between currencies, detecting the user’s location to show the right one.

Provided Features:

  • Instant Price Estates
  • Itemized Detailed List
  • Accept Payments with Buy Now buttons
  • Collect customer information for marketing
  • Automatic Currency Conversion
  • Pay with Paypal


  • Simple and easy to use
  • Great support
  • Nice plugin

CC BMI Calculator

CC BMI Calculator is a simple body mass index (BMI) calculator that can be used on health and fitness websites. It allows users to enter their height and weight information to see their body mass index score. This indicates whether their weight falls into a healthy range or not.

Provided Features:

  • Allows you to choose different styles by changing colors
  • Indicates whether their weight falls into a healthy range or not
  • Very easy customizable
  • It can be placed on the sidebar as a widget


  • Great support
  • Wonderful
  • Functional


In conclusion, we have already recommended for you a list of WordPress Calculator Plugin In 2021. If you consider this blog is amazing, then please share it with your friends. Furthermore, Free WordPress Themes are also available for you to select and decorate your site.

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  • Kelvin - Marketing manager at Ltheme.
  • Hello everyone! My name is Kelvin (Tu Vo) – I’m Founder & CMO at Ltheme. I have more than 10 years in Joomla! & WordPress development, more than 4 years in Digital Marketing, SEO specialist. Everyday I make some blogs for Joomla! and WordPress, support everyone with building beauty websites based on this CMSs, help everyone from Joomla Support Board as Joomla Guru role in forum support. You can reach me at Contact page (title: @Kelvin), or my personal social profile Facebook | LinkedIn.

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