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Free Calculator

NPS Calculator

Enter your promoters, passives, and detractors to instantly get your Net Promoter Score and see how it stacks up.

Runs entirely in your browser — free, private, no sign-up.

Questions answered

Frequently asked questions

Everything you might be wondering about the NPS Calculator.

How is NPS calculated?
NPS = %Promoters − %Detractors, based on survey responses on a 0–10 scale where 9–10 are promoters, 7–8 are passives, and 0–6 are detractors.
What is a good NPS score?
Above 0 is positive, above 30 is great, and above 70 is considered world-class. Scores vary a lot by industry, so compare against your own sector benchmarks.
Is it free and private?
Yes — it runs entirely in your browser, free, with nothing uploaded.
See it in action

A worked example

Real input, real output — so you know what to expect before you run it yourself.

Quick example
Sample input
60 promoters, 30 passives, 10 detractors (100 responses)
Sample output
NPS = 50 — great.
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