Embed the NPS Calculator

Net Promoter Score from the counts of promoters, passives and detractors, with the margin of error the sample size actually allows. Set the values it should open on, then copy the iframe. Your visitors can change them; the widget recomputes against Rule Calculator and never touches your page.

Opening values

Set what the widget shows before anyone touches it. Leave a field as it is and it stays out of the URL.

Promoters, scored 9 or 10Passives, scored 7 or 8Detractors, scored 0 to 6Height — 760px

Preview

Paste this

<iframe src="https://rulecalculators.com/embed/nps" width="100%" height="760" style="border:1px solid #e5e5e5;border-radius:12px" loading="lazy" title="NPS Calculator"></iframe>
<p style="font:13px/1.5 system-ui,sans-serif;color:#666;margin:6px 0 0"><a href="https://rulecalculators.com/calc/nps" style="color:#666">NPS Calculator</a> by <a href="https://rulecalculators.com" style="color:#666">Rule Calculator</a></p>

Free for commercial use. The one condition is the credit link inside the widget, which is how the calculator stays free. Want the numbers in your own markup instead? The same calculator is a JSON endpoint, or see the full NPS Calculator page with its sources and working.