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Use Tool →How It Works
No account needed, no sign-up required. Completely free. Enter your survey responses to instantly calculate your Net Promoter Score with a full breakdown of Promoters, Passives, and Detractors.
Input the number of Promoters (9-10 ratings), Passives (7-8 ratings), and Detractors (0-6 ratings) from your customer survey. These three groups are everything you need to calculate NPS.
The calculator shows the percentage of each group, your total response count, and how each segment contributes to your overall score. No formulas to memorize, no spreadsheets to build.
See your Net Promoter Score instantly, along with where you stand against industry benchmarks and what your score means for growth. No sign-up required. Completely free.
The Formula
This free NPS calculator uses a simple but powerful formula to measure customer loyalty. Here is the full breakdown.
Net Promoter Score
NPS = %Promoters - %Detractors
Example: if 60% of respondents are Promoters and 20% are Detractors, NPS = 60% - 20% = +40
Net Promoter Score divides your customers into three groups based on their answer to one question: “How likely are you to recommend us to a friend or colleague?” Promoters (9-10) are loyal enthusiasts. Passives (7-8) are satisfied but unenthusiastic. Detractors (0-6) are unhappy customers who can damage your brand through negative word-of-mouth.
The score ranges from -100 (every respondent is a Detractor) to +100 (every respondent is a Promoter). Any score above 0 means you have more Promoters than Detractors. A score above 50 is considered excellent, and anything above 70 is world-class. Most companies fall somewhere between 10 and 40.
Passives do not factor into the formula directly, but they matter. They are one bad experience away from becoming Detractors and one great experience away from becoming Promoters. Moving Passives into the Promoter column is often the fastest way to lift your NPS.
The business impact is real. Companies with NPS above 50 grow at more than twice the rate of companies with scores below 20. Every 10-point increase in NPS correlates with a 3-5% increase in revenue growth, because Promoters buy more, stay longer, and refer new customers.
Industry Benchmarks
NPS varies significantly by industry. Compare your score against these benchmarks to understand where you stand and where to focus your customer experience efforts.
| Industry | Average NPS Range |
|---|---|
| SaaS | 30 - 50 |
| E-Commerce | 20 - 40 |
| Finance | 20 - 40 |
| Healthcare | 30 - 50 |
| Telecom | -5 to 20 |
| Airlines | 20 - 40 |
| Retail | 30 - 50 |
| Insurance | 10 - 30 |
Sources: Bain & Company, Satmetrix, 2026/2027 averages.
NPS by Company Size
Company size affects how easily you can deliver personal, high-quality experiences. Smaller companies tend to score higher, but well-run enterprises can still compete.
| Company Size | Average NPS | Notes |
|---|---|---|
| Startups (1-50 employees) | 40 - 60 | Smaller teams often deliver more personal experiences, driving higher loyalty |
| SMBs (51-500 employees) | 30 - 50 | Growing pains can introduce friction, but strong culture keeps scores high |
| Mid-Market (501-5,000 employees) | 20 - 40 | Process complexity increases but dedicated CX teams help maintain scores |
| Enterprise (5,001-20,000 employees) | 10 - 35 | Scale makes personalization harder, though top performers still reach 50+ |
| Large Enterprise (20,000+ employees) | 5 - 30 | Bureaucracy and slow response times drag scores down across most verticals |
Sources: Bain & Company, Satmetrix, 2026/2027 averages.
What Kills Your NPS
Most NPS problems are not caused by your product. They are caused by the experience around it. These are the most common mistakes that turn Promoters into Detractors.
When customers wait hours or days for help, frustration builds fast. Long response times signal that you do not value their time, and frustrated customers become Detractors who actively warn others away from your brand.
Response times over 24 hours increase Detractors by 30%Asking customers for feedback and then doing nothing with it is worse than never asking at all. Customers who feel unheard lose trust quickly. If you survey people but never act on what they tell you, your NPS will steadily decline.
Closing the feedback loop can lift NPS by 10-15 pointsCustomers expect the same quality whether they interact through your website, email, phone, or in person. When experiences vary wildly between channels, trust erodes and satisfaction drops across the board.
Omnichannel consistency improves NPS by up to 20 pointsDark patterns and complicated cancellation flows create Detractors faster than almost anything else. Customers who feel trapped will not just leave eventually. They will leave angry and tell everyone they know.
Easy cancellation policies reduce negative word-of-mouth by 40%Shipping fast without maintaining quality turns Promoters into Detractors. Customers who loved your product will feel betrayed when updates break features or performance degrades. Loyalty earned over months can vanish in a single bad release.
Quality regressions cause 2x more churn than competitor offersAutomation saves money but kills loyalty when customers cannot reach a real person for complex issues. Chatbots that loop endlessly without solving problems create intense frustration and drive NPS scores into negative territory.
Lack of human support options lowers NPS by 15-25 pointsImprove Your NPS
These strategies help you turn more customers into Promoters and fewer into Detractors. All CommonNinja widgets mentioned below are free to start.
Reach out personally to every customer who gives you a low score. Ask what went wrong, listen without defending, and explain what you plan to do about it. This single practice converts more Detractors into Passives and Passives into Promoters than any other tactic.
Your Promoters already love you. Give them a simple way to share that love publicly. Display their testimonials on your website and product pages to build trust with new customers while reinforcing loyalty with existing ones.
Try free Testimonials widget →The more friction in your feedback process, the fewer responses you get, and the less accurate your NPS becomes. Use a simple, embeddable feedback form that customers can complete in under 60 seconds from any device.
Try free Feedback Form widget →Your NPS only tells part of the story. Bring together reviews from Google, Facebook, Yelp, and your own surveys into a single dashboard. A unified view helps you spot patterns faster and respond to issues before they spread.
Try free All-in-One Reviews widget →Display real customer ratings, review counts, and trust badges across your site. Social proof reassures visitors that real people trust your brand, which not only boosts conversions but also sets realistic expectations that lead to higher satisfaction scores.
Try free Social Proof widget →Timing matters more than most teams realize. Send NPS surveys after key milestones like onboarding completion, a support ticket resolution, or 30 days of active usage. Avoid surveying during known friction points like billing cycles or outages.
Your overall NPS hides important details. Break it down by plan type, tenure, acquisition channel, and geography. You will often find that one segment drags down the average while others are thriving. Fix the problem segment and your overall score jumps.
NPS is not just a customer success metric. Share scores and verbatim comments with product, engineering, sales, and marketing. When every team sees the customer voice, decisions across the company start to align around what actually drives loyalty.
NPS Metrics Glossary
Different customer experience metrics answer different questions about your business. Here is how they compare and when to use each one.
| Metric | Definition | Formula | When to Use |
|---|---|---|---|
| NPS (Net Promoter Score) | Measures customer loyalty by asking how likely they are to recommend your product on a 0-10 scale. The score ranges from -100 to +100. | %Promoters - %Detractors | Tracking overall customer loyalty and predicting growth potential |
| CSAT (Customer Satisfaction Score) | Measures how satisfied customers are with a specific interaction, product, or experience. Typically uses a 1-5 or 1-7 scale. | (Satisfied Responses / Total Responses) x 100 | Evaluating satisfaction with specific touchpoints or transactions |
| CES (Customer Effort Score) | Measures how easy it is for customers to accomplish a task or resolve an issue. Lower effort correlates strongly with higher loyalty. | Sum of Effort Ratings / Total Responses | Identifying friction points in support, onboarding, or checkout flows |
| Customer Retention Rate | The percentage of customers who continue doing business with you over a given period. A direct measure of your ability to keep the customers you earn. | ((End Customers - New Customers) / Start Customers) x 100 | Measuring long-term loyalty and the effectiveness of retention programs |
| Churn Rate | The percentage of customers who stop using your product or cancel their subscription during a given period. The inverse of retention. | (Customers Lost / Customers at Start) x 100 | Quantifying customer loss and prioritizing retention initiatives |
From the Blog
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