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Calculators for Your Site

Free calculators you can embed on any website or blog with one line of HTML.

How it works

Step 1Pick a calculatorEach widget is the full calculator from this site, with live results as visitors type.
Step 2Choose a sizeResponsive width fits your column; set a height that shows the whole calculator without a scrollbar.
Step 3Paste the snippetCopy the iframe code into your page's HTML. It works in WordPress (Custom HTML block), Squarespace, Wix, Webflow and plain HTML.

The widgets are free for any site. Please keep the small "Powered by" link. Calculations run in your visitor's browser, and we never show ads inside an embedded calculator.

Mortgage Calculator

Monthly payment with taxes, insurance and a full amortization schedule.

Width

Height

Embed code

<iframe src="https://justyourcalculator.com/embed/mortgage-calculator" width="100%" height="1400" style="border:0;width:100%;max-width:100%" loading="lazy" title="Mortgage Calculator by JustYourCalculator"></iframe>

Percentage Calculator

Percent of a number, percent change and percent difference, with steps.

Width

Height

Embed code

<iframe src="https://justyourcalculator.com/embed/percentage-calculator" width="100%" height="800" style="border:0;width:100%;max-width:100%" loading="lazy" title="Percentage Calculator by JustYourCalculator"></iframe>

Scientific Calculator

A full scientific calculator with trig, logs, powers and memory.

Width

Height

Embed code

<iframe src="https://justyourcalculator.com/embed/scientific-calculator" width="100%" height="980" style="border:0;width:100%;max-width:100%" loading="lazy" title="Scientific Calculator by JustYourCalculator"></iframe>

Concrete Calculator

Cubic yards, meters and bag counts for slabs, columns, curbs and stairs.

Width

Height

Embed code

<iframe src="https://justyourcalculator.com/embed/concrete-calculator" width="100%" height="1300" style="border:0;width:100%;max-width:100%" loading="lazy" title="Concrete Calculator by JustYourCalculator"></iframe>

Love Calculator

A just-for-fun compatibility score from two names.

Width

Height

Embed code

<iframe src="https://justyourcalculator.com/embed/love-calculator" width="100%" height="640" style="border:0;width:100%;max-width:100%" loading="lazy" title="Love Calculator by JustYourCalculator"></iframe>