How it works
Fill in the 3 fields above and Net Promoter Score (NPS) Calculator calculates the result instantly, recalculating as you change any value. It applies the formula NPS = %promoters − %detractors. The math runs locally in your browser — nothing is sent to a server.
Formula
NPS = %promoters − %detractorsExamples
- Promoters (9–10) 220, Passives (7–8) 90, Detractors (0–6) 40 → NPS: 51
Frequently asked questions
How do I use the Net Promoter Score (NPS) Calculator?
Enter your values in the 3 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
What formula does the Net Promoter Score (NPS) Calculator use?
It uses NPS = %promoters − %detractors. The calculation is performed in your browser using standard, well-established math for accurate results.
Is my data private?
Yes. The Net Promoter Score (NPS) Calculator runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the Net Promoter Score (NPS) Calculator free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on marketing and the rest of the platform, you can use it as often as you like.
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