How to Measure Customer Satisfaction (CSAT, NPS, and CES)

"Are our customers happy?" is a simple question with several possible measurements, and picking the wrong one gives you a confident but misleading answer. The three main metrics — CSAT, NPS, and CES — each capture a different slice of satisfaction. Here's what each measures, when to reach for it, and how to turn the number into action.

CSAT — Customer Satisfaction Score

What it asks: "How satisfied were you with [this experience]?" usually on a 1–5 scale.

What it measures: satisfaction with a specific interaction — a support ticket, a feature, an onboarding flow. You calculate it as the percentage of respondents who answered satisfied (4–5).

When to use it: right after a specific touchpoint. CSAT is your zoom lens — great for pinpointing which experiences delight or frustrate. It won't tell you about overall loyalty, but it's precise about moments.

NPS — Net Promoter Score

What it asks: "How likely are you to recommend us?" on a 0–10 scale.

What it measures: overall loyalty and word-of-mouth potential, by subtracting detractors from promoters. It's your wide-angle lens — the health of the whole relationship rather than one interaction.

When to use it: periodically, to track loyalty trends over time. Deep dive in our NPS guide. Just remember it's a lagging indicator: it reflects the past, and moving it means changing the product.

CES — Customer Effort Score

What it asks: "How easy was it to [do the thing]?" typically on a 1–7 scale.

What it measures: how much effort a task took. This one is quietly powerful, because effort predicts churn better than satisfaction in many cases — people leave products that are hard to use even if they don't hate them.

When to use it: after tasks where friction matters — completing a purchase, resolving an issue, finishing setup.

Which should you use?

You don't have to pick just one; they answer different questions. A common, lightweight combination: CSAT after key interactions (which moments work?), NPS quarterly (is loyalty trending up?), and CES on critical flows (where's the friction?). Together they give you a full picture without survey overload.

If you can only run one to start, NPS is the usual choice for its breadth — but pair it with an open "why?" so it produces direction, not just a number.

The part that actually matters: acting on it

Here's the truth every satisfaction metric shares: measuring it changes nothing. The score is a thermometer, not a treatment. Improvement comes from acting on the reasons behind the scores.

That means every survey should capture the "why," and those reasons need somewhere to go. Routing them into a feedback board turns raw satisfaction data into ranked, actionable requests — the recurring complaints behind low CSAT, the friction behind poor CES, the gaps behind detractor NPS. Then you fix, build, and close the loop, which is what actually moves the metrics next quarter. For gathering the input, see how to collect customer feedback.

Turn metrics into a roadmap

A satisfaction score is only as useful as what you do next. Create a free feedback board on FeatureRequest, capture the reasons behind your CSAT, NPS, and CES, and turn measurement into improvement.