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Net Promoter Score 계산기

Net Promoter Score (NPS)

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We're working on a comprehensive educational guide for the Net Promoter Score Calculator in your language. The content below is shown in English.

이란 무엇인가 Net Promoter Score Calculator?

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The Net Promoter Score (NPS) is a mission-critical metric used by executive teams, private equity investors, and customer success leaders to quantify client loyalty and predict organic business growth. Unlike traditional, bloated customer satisfaction surveys that yield passive data, NPS isolates the extremes of customer sentiment to produce a single, highly actionable index. By focusing on a customer's willingness to put their own professional reputation on the line by recommending your brand, NPS serves as a leading indicator of customer retention, expansion revenue, and overall brand equity. At its core, the calculation relies on segmenting your customer base into three distinct operational cohorts based on a standard 0-to-10 scale. 'Promoters' (scoring 9-10) are your active brand advocates who drive referral loops and expansion revenue. 'Passives' (scoring 7-8) are satisfied but unenthusiastic accounts highly susceptible to competitor poaching. 'Detractors' (scoring 0-6) represent active churn risks who damage brand reputation and increase customer acquisition costs. This calculator processes these segments to deliver an accurate, repeatable index ranging from -100 to +100. In modern corporate management, tracking NPS is standard practice for preparing quarterly board decks, evaluating product-market fit, and auditing post-merger integration success. By utilizing this calculator, financial analysts and operations managers can run regular sensitivity analyses across different customer cohorts, product tiers, or geographic regions. This precise quantitative tracking empowers leadership to make data-driven decisions on resource allocation, product development, and customer success strategies to maximize customer lifetime value (LTV).

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

공식

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f(x)Net Promoter Score (NPS) = % Promoters - % Detractors Where: - % Promoters = (Number of Promoters / Total Respondents) × 100 - % Detractors = (Number of Detractors / Total Respondents) × 100 This calculation isolates the extreme ends of customer sentiment, completely omitting Passives from the final score but including them in the total respondent count, thereby penalizing indifference and rewarding active advocacy.

변수 설명

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기호이름단위설명
Net Promoter ScorePromoter Percentage—The percentage of surveyed customers who score 9 or 10, representing your most loyal brand advocates and drivers of organic growth.
ScoreDetractor Percentage—The percentage of surveyed customers who score 0 to 6, representing unhappy accounts that present an immediate churn risk.
RateResponse Rate—The ratio of completed surveys to total surveys sent, serving as a critical indicator of data validity and customer engagement.

방법 Net Promoter Score Calculator

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  1. 1Administer the standard survey question: 'On a scale of 0 to 10, how likely are you to recommend our company, product, or service?'
  2. 2Categorize the responses: Scores of 9-10 are Promoters, 7-8 are Passives, and 0-6 are Detractors.
  3. 3Calculate the percentage of total respondents that fall into the Promoter and Detractor categories.
  4. 4Subtract the total percentage of Detractors from the total percentage of Promoters to determine your Net Promoter Score.
  5. 5Segment the final score by account size, product tier, or region to identify specific operational risks and growth opportunities.

풀어진 예시

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예제 1
주어진 값:70% Promoters, 10% Detractors
결과:NPS 60

In this enterprise B2B SaaS scenario, 70% of surveyed accounts are classified as Promoters, while 10% are Detractors. Applying the formula (70 - 10) yields an NPS of 60. This indicates an exceptionally healthy customer base with high organic expansion potential and strong brand advocacy.

예제 2
주어진 값:50% Promoters, 15% Detractors
결과:

A retail banking division surveys its mid-market commercial accounts, identifying 50% Promoters and 15% Detractors. Subtracting the detractors yields an NPS of 35. This is a solid benchmark for the financial services sector, indicating stable customer relationships with room to convert the remaining 35% of Passives.

예제 3
주어진 값:85% Promoters, 5% Detractors
결과:

An elite wealth management firm audits its client base, revealing 85% Promoters and only 5% Detractors. The resulting NPS is 80. This world-class score represents maximum client loyalty, which the firm can leverage for high-value referral campaigns and organic asset-under-management (AUM) growth.

예제 4
주어진 값:25% Promoters, 35% Detractors
결과:

A logistics company experiencing supply chain disruptions surveys its key accounts, finding 25% Promoters and 35% Detractors. The calculation yields a negative NPS of -10. This negative score is an urgent operational warning sign, signaling that detractors outnumber advocates and indicating a high probability of imminent contract non-renewals.

실제 적용

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Post-Merger Integration Audits: Corporate development teams use NPS to monitor customer sentiment and identify friction points during the integration of acquired product lines.

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Executive Incentive Compensation: Progressive enterprises tie a portion of leadership bonuses directly to quarterly NPS improvements, aligning executive payouts with long-term customer value.

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SaaS Churn Prediction Modeling: Financial analysts integrate transactional NPS scores into risk-scoring models to flag accounts with high probabilities of non-renewal.

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Product-Market Fit Benchmarking: Early-stage venture capitalists analyze NPS trends during due diligence to validate product-market fit before deploying growth capital.

특수 경우

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Low Sample Size in Enterprise Accounts

When calculating NPS for a highly concentrated B2B customer base with fewer than 30 total accounts, a single respondent switching categories can cause wild, misleading swings in the score. In these scenarios, analysts should supplement NPS with qualitative account health reviews and avoid relying solely on the mathematical index.

High Response Bias (Self-Selection)

If only highly enthusiastic or highly disgruntled customers respond to the survey, the resulting NPS will be polarized and unrepresentative. Organizations must monitor response rates and employ stratified sampling to ensure statistical validity across all customer cohorts.

Extreme Score Polarization

An NPS of +20 can result from 60% Promoters and 40% Detractors, or 20% Promoters and 0% Detractors. While the score is identical, the operational reality is vastly different. The former indicates a highly volatile brand with severe systemic issues, while the latter indicates a stable, low-churn business with a passive customer base.

Net Promoter Score Strategic Performance Benchmarks

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NPS RangeCustomer Sentiment ClassificationStrategic Implications
70 to 100World-Class Advocate BaseHigh organic referral rate; leverage for case studies and expansion sales.
30 to 69Strong Brand LoyaltyHealthy customer base; focus on converting Passives to Promoters.
0 to 29Vulnerable RetentionCompetitive risk is present; standard operational improvements required.
Below 0Critical Churn RiskDetractors outnumber advocates; immediate executive intervention and root-cause analysis needed.

자주 묻는 질문

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Q

What's a good NPS score?

A

Below 0 poor, 0-30 good, 30-70 excellent, 70+ best-in-class depending on industry.

Q

How do I improve NPS?

A

Follow up with detractors to fix issues, engage promoters for referrals, reduce passives.

피해야 할 일반적인 실수

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  • !Treating all customer accounts equally in enterprise B2B calculations rather than weighting scores by account revenue or contract value.
  • !Fixating entirely on the raw numerical score while failing to collect or analyze the qualitative open-ended feedback explaining the rating.
  • !Manipulating survey timing, such as sending surveys only immediately after positive customer support resolutions, which introduces severe selection bias.
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전문가 팁

Do not let NPS sit in an isolated dashboard. Implement a 'Closed-Loop Feedback' protocol where account managers are systematically flagged to contact any Detractor within 24 to 48 hours of survey submission to resolve their issues and prevent churn.

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알고 계셨나요?

NPS was introduced in 2003 by Fred Reichheld of Bain & Company in his landmark Harvard Business Review article, 'The One Number You Need to Grow.' His research proved that in most industries, a company's Net Promoter Score explained a significant portion of its organic revenue growth rate relative to competitors.

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Reviewed October 2026
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