Embed
Add the calculator to your site
Free, no signup, no API keys. Copy the iframe snippet below and paste it into any webpage. It works everywhere HTML works.
1 · Customize
2 · Preview
3 · Copy the snippet
Paste this into your page’s HTML wherever you want the calculator to appear. The short credit line under the iframe is plain HTML on your page, so your visitors can see where the tool comes from.
Terms. Free for any use, including commercial. We’d appreciate it if you keep the credit line under the calculator — it’s how people find us — but it’s optional: untick “Credit link” above to leave it out. The calculator itself also shows a small “Powered by BoxVolumeCalculator.com” note. Need a custom build? Get in touch.