NPS Calculator
Net promoter score from survey responses.
Enter your values
Enter the promoters (9-10) you are working with.
Enter the passives (7-8) you are working with.
Enter the detractors (0-6) you are working with.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- NPS
- 43
- Promoters
- 57.1%
- Detractors
- 14.3%
- Rating
- Good
Quick answer
NPS is the percentage of promoters minus the percentage of detractors.
NPS = %promoters − %detractors
At a glance
| What it does | Net promoter score from survey responses. |
|---|---|
| Category | Business |
| Inputs needed | Promoters (9-10), Passives (7-8), Detractors (0-6) |
| Main output | NPS |
| Formula | NPS = %promoters − %detractors |
| Cost | Free — no sign-up, no download |
How to use the NPS Calculator
- 1Count responses scoring 9-10 as promoters.
- 2Count 7-8 as passives and 0-6 as detractors.
- 3Read the score and benchmark.
Inputs explained
- Promoters (9-10)
- Enter the promoters (9-10) you are working with.
- Passives (7-8)
- Enter the passives (7-8) you are working with.
- Detractors (0-6)
- Enter the detractors (0-6) you are working with.
Worked example
Using the values the calculator loads with:
Inputs
- Promoters (9-10)180
- Passives (7-8)90
- Detractors (0-6)45
Results
- NPS43
- Promoters57.1%
- Detractors14.3%
- RatingGood
Frequently asked questions
Do passives count?
Only in the denominator — they neither add nor subtract.
What is a good NPS?
Above 30 is strong in most industries; above 50 is exceptional.
What do I need to enter into the NPS Calculator?
Just 3 values: promoters (9-10), passives (7-8), detractors (0-6). Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the NPS Calculator work out the answer?
NPS is the percentage of promoters minus the percentage of detractors. It applies the formula NPS = %promoters − %detractors and shows the working so you can check each step by hand.
Is the NPS Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.