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Last updated on June 23, 2025 by Formidable Team
7 Best Tax Calculator Plugins for WordPress
Are you ready to make dealing with taxes a whole lot easier? These tax calculator plugins for WordPress will save you tons of time and eliminate all kinds of headaches!
Approximate read time: 5.5 minutes
So, you almost have your website or online store up and running but are struggling to sort out pesky tax issues.
We've been there. And it can be a real pain in the you know what.
Well, we've handpicked seven WordPress plugins that can seriously simplify things. Whether it's for digital goods, service quotes, or any other kind of tax math, there's a tool on this list for you.
Let's get started.
Upgrade your WordPress site with powerful, flexible forms.
Top WordPress tax calculator plugins
- Formidable Forms (free & premium)
- WooCommerce Shipping & Tax (free)
- Easy Digital Downloads (free & premium)
- WP Simple Pay
- Quaderno (premium)
- Stylish Cost Calculator
- Avalara
1. Formidable Forms (free & premium)
Formidable Forms is the Swiss Army knife of WordPress plugins. It's a form builder, cost calculator builder, survey plugin, application creator, and more.
Need a mortgage or home loan calculator form for a real estate website? Maybe you want to add taxes to an instant quote for a service business? Or perhaps you're searching for an income tax calculator WordPress plugin for a financial services site?
Formidable has you covered! ✅
You can also add sales tax to the total in a price calculator. This guide to creating a price calculator for WordPress shows you how to do it.
And that's just the tip of the iceberg. See all of Formidable Form's features for more ideas of what this plugin can do.
Features
- Drag and drop calculator builder
- Advanced form calculations
- Conditional logic
- Tons of integrations
Pricing
Formidable Forms offers a free form builder and a premium version. Plans with custom calculator features start at $199.50 per year for the first year.
2. WooCommerce Shipping & Tax (free)
Figuring out shipping fees and sales taxes is often like solving a puzzle without all the pieces. 🧩
That's where this plugin steps in, turning a complicated process into something straightforward and manageable.
This free plugin automates tax calculations, so you don't need to manually input tax rates for different countries or states. It uses TaxJar’s API to calculate taxes based on a customer's location and the product they buy.
And that's a huge time saver! ⏱️
However, this plugin isn’t the only useful tool for accurate sales tax calculations. As you probably guessed from the name, it makes shipping easier, too. Learn why it's also one of the best shipping calculator plugins for WordPress.
Features
- Sales tax automation
- Print shipping labels
- Easy setup
- Supports multiple tax rates
Pricing
This plugin is free.
3. Easy Digital Downloads (free & premium)
EDD is a must-have if you're selling digital products online with WordPress.
This plugin gives you a system for managing digital sales, including tax management and compliance features. With this plugin, you can set up tax rates for different regions and include VAT numbers on invoices.
Features
- Designed for digital product sales
- United States and European Union tax compliance
- Comprehensive tax reporting
- Integrates with a wide range of payment gateways
Pricing
The core EDD plugin is free, but paid extensions are available.
4. WP Simple Pay
Like Formidable Forms, this plugin lets you add Stripe payments to WordPress websites without needing an eCommerce system.
It can handle basic tax calculations for one-time and recurring payments, making it a great option if you need an easy way to accept payments or donations.
Features
- Stripe WordPress integration
- Simple tax and VAT calculations
- Payment form builder
- Supports recurring payments and subscriptions
Pricing
This free plugin charges a 3% fee per transaction. Pro plans without transaction fees from $99.50 per year.
5. Quaderno (premium)
Quaderno is a tax management software that automates sales tax, VAT, and GST. It automatically calculates the correct taxes for each transaction, issues invoices, and gives detailed tax reports.
It's ideal for international businesses since it supports tax rules from over 100 countries.
Features
- Automatic tax calculations for global sales
- Generates compliant invoices and tax receipts
- Real-time tax rate updates and threshold alerts
- WC stores and EDD integrations
Pricing
Quaderno offers free plugins but requires a paid account, which starts at $49 per month.
6. Stylish Cost Calculator
This plugin lets you create interactive, user-friendly cost estimators in WordPress. With Stylish Cost Calculator, your site can give customers personalized quotes or calculate the cost of services and products.
It also comes with a range of customization options, so it's simple to match the look and feel of your website.
Features
- Drag and drop builder for easy calculator creation
- Form templates and styles to match your site
- Supports discounts, taxes, and conditional logic
- Option to integrate with payment gateways
Pricing
Stylish Cost Calculator offers a free plugin and a premium version starting at $99 annually.
7. Avalara AvaTax
Avalara AvaTax provides a comprehensive tax solution. Made for businesses of all sizes, it integrates seamlessly with WordPress to offer real-time tax calculations.
This WordPress tax calculator plugin helps you navigate complex tax regulations and ensure compliance with minimal effort.
Features
- Real-time tax rates and calculations
- WC tax integration
- Automated tax compliance and reporting
- Covers more than 190 countries
Pricing
Avalara's pricing isn't public. You must contact Avalara for detailed pricing information.
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Ready to make a tax calculator in WordPress?
So, you have seven tools to take the tax terror out of web design. From simple payment setups to complete global tax compliance solutions, these plugins can fit any need.
But if you were wondering what the best sales tax plugin for WordPress is, look no further than Formidable Forms. It can do it if you want to automatically calculate taxes or add a custom shipping or tax calculator to checkout pages.
So why not give it a try today? It comes with a 14-day, no-questions-asked money-back guarantee.
Read more from the Formidable blog
How to Create a WordPress Calculator with Formidable Forms
WordPress Calculators: The Ultimate Guide
8 Best Request a Quote WordPress PluginsThis article may contain affiliate links. Once in a while, we earn commissions from those links. But we only recommend products we like, with or without commissions.
