Free ForeverNo SignupEffort AnalyticsUpdated 2026

Customer Effort Score (CES) Calculator

Measure how easy it is for customers to get things done — low effort is the strongest predictor of loyalty.

Customer Effort Score (CES) measures how much effort a customer had to exert to get an issue resolved or task completed. CES is the strongest predictor of churn after a support interaction — 94% of customers with low-effort experiences intend to repurchase. Score on a 1–7 scale: 5+ is the target.

Sum of All CES Scores

Add up all individual customer scores (1–7 scale)

Total Responses

Number of customers who responded

Low-Effort Responses (6–7)Optional — calculates low-effort percentage

Customers who rated their effort 6 or 7 (low effort)

The Formula

CES = Sum of Scores ÷ Total Responses

In plain English

CES = sum of all scores / number of responses. Score 1–7 where 7 = "very easy" (low effort).

Worked Example

1,850 total score ÷ 350 responses = CES 5.29. 210 low-effort (6–7) = 60% low-effort rate.

Why Effort Matters More Than Delight

Gartner's landmark Customer Effort research found that reducing customer effort is a stronger driver of loyalty than exceeding expectations ("delighting" customers). The goal is effortless, not amazing — consistency matters more than occasional heroics.

The five effort drivers: channel switching (having to call after trying online), repeat contacts (same issue unresolved), transfers (passed between agents), repetition of information (re-explaining the same issue), and generic responses (canned replies that don't address the actual issue).

94%

Low-effort customers who intend to repurchase

81%

High-effort customers who report negative WOM

5.0+

Target average CES (out of 7)

40%

Channel switch is top effort driver

CES Benchmarks (2026)

Score (1–7)	Classification	Churn Risk	Action
6.0–7.0	Effortless	Very low	Scale this experience
5.0–5.9	Low effort	Low	Identify friction points
4.0–4.9	Moderate	Medium	Process review
< 4.0	High effort	High	Urgent redesign

Source: Gartner Customer Effort Research · CEB (now Gartner) 2025 Update

Common Mistakes

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Using CES for strategic loyalty measurement

CES is a transactional metric — measure it after specific interactions, not as a general brand loyalty survey. NPS handles strategic loyalty measurement better.

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Not identifying the effort drivers in low-score responses

A CES of 3 is only actionable if you know why. Add a follow-up open text field: "What made this feel difficult?" Categorise these responses to identify systemic friction.

⚠️

Measuring CES only for support

Apply CES to all high-effort touchpoints: onboarding, billing queries, self-service portal, feature requests, and cancellation flow. High effort in cancellation actually predicts churn less than you'd expect — high effort everywhere else predicts it more.

Frequently Asked Questions

Calculate customer health score →→

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