Free calculator widgets for your website

Put a qcalculate calculator on your blog, school website or class page. Visitors type their own numbers and see every step of the working, without leaving your page.

Free, with no sign-up. Just copy the code into your page’s HTML.
Private: the widgets set no cookies and collect no personal information.
Please keep the small “Powered by qcalculate” link under the widget.

Percentage calculator

Percent of a number, what percent, percentage change and adding or taking off a percent.

<iframe src="https://qcalculate.com/embed/percentage/" title="Percentage calculator by qcalculate" width="100%" height="760" style="border:0;max-width:720px" loading="lazy"></iframe>

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Loan and EMI calculator

Monthly payment, total interest and the steps of the loan formula, in five currencies.

<iframe src="https://qcalculate.com/embed/loan/" title="Loan and EMI calculator by qcalculate" width="100%" height="900" style="border:0;max-width:720px" loading="lazy"></iframe>

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Long division calculator

Long division written out and animated, with remainders and repeating decimals. Made for classrooms.

<iframe src="https://qcalculate.com/embed/long-division/" title="Long division calculator by qcalculate" width="100%" height="820" style="border:0;max-width:720px" loading="lazy"></iframe>

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Tips

Change height to fit your page; the widget scrolls inside if it needs more room.
On WordPress, paste the code into a Custom HTML block. On Google Sites, use Insert → Embed → Embed code.
Want another calculator as a widget? Tell us which one.