Simple HTML Calculator
Simplify complex calculations on your HTML website so users can instantly estimate costs or pricing and submit requests right away.
Create Widget for Free
No credit card needed
Trusted by over 3,000,000 small business, agencies and top global brands worldwide
Create your Calculator widget
Customize your calculator with a variety of templates and add it to your website with ease!
Calculator Widget for HTML
Build a fully functional interactive calculator for your HTML website without coding. The Elfsight HTML Calculator widget enables you to effortlessly add custom calculators for any need, from budgeting to planning trips. Improve engagement by offering a smooth customer experience that drives conversions.
- Create interactive calculators without code
Create a fully operational, interactive calculator tailored to your website’s needs, with no coding required. You can have it up and running in minutes! - Wide range of customization options
Customize your widget to fit the design and style of your website. Choose a template, fonts, colors, and advanced settings to ensure it matches your branding. - Simple embedding process
Adding the calculator to your HTML website is a simple! Just copy and paste a simple HTML code into your page. It’s quick and easy, saving you time and effort. - Expert customer support
The support team is here to help you through the entire setup process, ensuring your HTML estimator works perfectly and seamlessly integrates with your website.
Try the Elfsight HTML Calculator to generate qualified leads!
What You Can Do with HTML Calculator
- Boost user engagement
Create a seamless experience that invites users to interact with your website, keeping them engaged for longer. - Increase leads and sales
Allow customers to calculate costs and make decisions right on your site, improving conversions and sales. - Get better customer insights
Use data from the calculator to understand your customers’ preferences, needs, and behaviors. This will help you create smoother customer experiences.
You can check out the full functionality of the widget in the intuitive editor
How to Embed Calculator on HTML
Adding the HTML Calculator widget to your website is easy and doesn’t require coding expertise. Just follow these simple steps to add your custom widget:
- Create your custom HTML Calculator
In the intuitive editor, choose from various templates, customize the fields. You can style it to match your website’s design and add any calculations or formulas you need. - Get your unique embed code
Once your calculator is customized to your liking, click on “Add to Website for Free”. This will generate a unique HTML embed code that contains all the necessary elements for the widget to work on your website. - Embed the code into your HTML page
Copy the code provided and paste it into the appropriate section where you want the calculator to appear, either within the body of the page or in a specific container, depending on your website layout. - Save and publish the changes.
That’s it! You’re all set. Now, your visitors can do their calculations directly on your page without any hassle.
For more detailed instructions, check out our guide on creating a custom calculator on a website.
Can I embed the widget on a static HTML website without a CMS?
Yes, Elfsight works perfectly on static HTML websites. You only need access to your page source to paste the embed code.
What types of input fields can I use in my Calculator widget?
Elfsight supports sliders, number fields, dropdowns, single or multiple choice options, image-based choices, and section titles for clear structure.
Can I use images as selectable options?
Yes, the Calculator includes image choice fields, letting users pick options visually, which works great for pricing plans, products, or service types.
Does the Calculator support IF/THEN logic in formulas?
The formula editor supports IF/THEN conditions and logical operators like AND, OR, and NOT, allowing results to change based on user selections.
Which math functions are available in Calculator formulas?
The widget includes common functions such as SUM, ROUND, MAX, MIN, and RAND, making it suitable for both simple and advanced calculations.
Can one calculation result be reused in another formula?
Yes, outputs from one calculation can be referenced in other formulas, making it easy to build subtotals, totals, or multi-step calculations.
What is the AI Calculator Generator and how does it help?
The AI generator creates a ready-to-use calculator from a text prompt by automatically adding fields and formulas based on your described scenario.
Can I receive calculation results by email?
When submissions are enabled, the widget can send you email notifications with user inputs and final calculation results for easy follow-up.
Can calculator emails be sent from my own domain?
Yes, by connecting an SMTP server, the calculator widget can send submission emails from your custom domain instead of a generic sender.
Calculator Template Catalog
Choose from our ready-to-use widget templates to use as is, or customize them to suit your style.
Create a calculator plugin to unlock the secret formula for profitable product price on your website.
Create a calculator template for your website to determine accurate shipping costs based on distance and rates.
Embed a calculator widget to help website users count monthly mortgage payments and get their dream home.
Pricing
14-day money back guarantee. Risk-free, you can cancel at anytime.
Elfsight Apps
Cross-platform software
from $0 / month
start with a free plan
Unlimited websites
Premium company support
Free of charge installation assistance
Flexible design