Calculator Answers

Widgets

Embed Our Calculators on Your Site

Add high-quality, interactive calculator widgets to any website, blog, or classroom page for free. Our calculators are compatible with all major platforms including WordPress, Squarespace, Wix, Shopify, and plain HTML.

How it works

  1. Find your calculator: Browse or search our site to open any calculator page.
  2. Get the code: Scroll to the action bar just below the calculator widget and click the Embed button.
  3. Paste on your site: Copy the generated iframe code snippet and paste it directly into your website's HTML editor or code block.

Example snippet

Below is the exact iframe code generated for our Tip Calculator. You can copy this snippet to see how the widget loads on your site:

Popular calculators to embed

Browse our most requested calculators below. Click any link to visit its page, where you can customize inputs and copy its embed code from the action bar:

Final Grade Calculator – What You Need to PassSquare Footage Calculator – Sq Ft for Any RoomMultiplication Chart (1-12 & 1-100) – Free PrintableRoth IRA CalculatorStandard Deviation Calculator – Variance & SDGematria CalculatorSlope CalculatorOvertime CalculatorDog Age CalculatorSAT Score CalculatorAP Score CalculatorPaint CalculatorCat Age CalculatorQuadratic Formula CalculatorTip CalculatorKg to Lbs Converter – Kilograms to PoundsSales Tax CalculatorMacro CalculatorConcrete CalculatorFraction Calculator

Over 800 calculators are embeddable across our major categories: Education, Money, Health, and Home.

Usage rules

  • Free to use: You may embed our widgets on both personal and commercial websites.
  • Attribution: The "Calculator by Calculator Answers" credit link below the iframe must remain visible and unaltered.
  • No modifications: Do not modify the iframe source URL or script contents. You may adjust the width and height attributes to suit your design.
  • Updates: Calculators may be updated automatically over time to improve performance, design, or equations.

Frequently asked questions

Yes. Embedding our calculators on your website or blog is 100% free for both commercial and personal use.

No. You do not need to sign up, create an account, or generate an API key. Simply copy the iframe code from any calculator page and paste it into your editor.

Yes. You can customize the width and height parameters directly within the iframe HTML snippet. We recommend keeping the width at 100% so that the calculator scales responsively on mobile devices.

No. The iframe code uses the lazy loading attribute (loading="lazy"), which ensures that the calculator is only fetched when a visitor scrolls near it. This keeps your initial page load times extremely fast.

Yes. Keeping the attribution link intact below the iframe widget is a condition of our free license. This link allows your users to find the full-featured tool with formulas, examples, and detailed FAQs.

Yes, you can embed them on any self-hosted WordPress site by pasting the iframe code into a Custom HTML block. Please note that free hosted blogs on WordPress.com might restrict iframe usage due to their platform security settings.

If a calculator has not been optimized for a standalone iframe display, the action bar will output a clean text link code snippet instead. You can use this to link directly to the calculator page.

Absolutely. Teachers, schools, school districts, and university course portals are welcome to embed any of our calculators to help students learn and visualize math concepts.