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Updated October 30, 2026 · Based on official sources listed below

Built for schools, nonprofits, libraries, legal aid offices, community organizations, bloggers and newsrooms. Copy the code, paste it into your page, and the calculator appears. We update the rules on our side, so your page is always current.

Cash Rounding Calculator

Rounds a cash total to the nearest nickel using each state's own penny rounding law, and shows the change due.

Copy this code into your page (HTML or "Custom HTML" block):

<iframe src="https://pennyroundinglaws.com/embed/calculator/" id="pennyrounding-calculator" title="Cash Rounding Calculator" width="100%" height="980" style="border:0;max-width:760px" loading="lazy"></iframe>
<p style="font-size:13px;max-width:760px"><a href="https://pennyroundinglaws.com/">Cash Rounding Calculator</a> by Penny Rounding Laws</p>
<script>addEventListener('message',function(m){if(m.origin==='https://pennyroundinglaws.com'&&m.data&&m.data.embed==='calculator'){document.getElementById('pennyrounding-calculator').style.height=m.data.h+'px'}})</script>

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Free for any website. Please keep the credit line under the widget.
The widget runs in your visitor's browser. Nothing they type is sent to us or stored.
Questions or a custom version? Contact us.

Cash Rounding Calculator

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