Free tools

Free CSAT Calculator

Enter your survey ratings and instantly get your Customer Satisfaction Score, with a clear view of how each rating is distributed.

Rating counts

CSAT = (ratings of 4 and 5 ÷ total responses) × 100. A 3 is neutral. Ratings of 1 and 2 are unsatisfied.

Your CSAT

—

Enter how many customers chose each rating from 1 to 5.

Satisfaction usually drops when replies are slow or the customer has to repeat themselves. Nexios keeps the whole conversation in one thread.

Talk to an expert

What is a CSAT calculator

A CSAT calculator turns customer ratings into a Customer Satisfaction Score. It is usually based on one question asked right after an interaction, such as “How satisfied were you with the support you received?”, answered on a scale from 1 to 5.

The formula is: CSAT = (ratings of 4 and 5 ÷ total responses) × 100. The result is a percentage from 0 to 100 that shows how many customers left the interaction satisfied.

While NPS measures long-term loyalty, CSAT measures satisfaction with a specific moment, like a support chat, a delivery, or an onboarding call. That makes it one of the most useful metrics for support teams.

How to use the CSAT calculator

You only need the number of responses for each rating from your latest survey.

  1. Collect your ratings. Export survey results and count how many customers chose each rating from 1 to 5.
  2. Enter the numbers. Type each count into the calculator above. The score updates as you type.
  3. Read your result. Check your CSAT percentage, the rating band, and the split between satisfied, neutral, and unsatisfied customers.

What does your CSAT score mean

Your score is the share of satisfied customers. Use these ranges as a general guide, then compare against your own industry and past results.

  • 90 to 100%. Outstanding. Almost every customer leaves happy with the experience.
  • 80 to 89%. Excellent. Strong service with only occasional issues.
  • 70 to 79%. Good. Most customers are satisfied, with clear room to improve.
  • 50 to 69%. Fair. Many customers are neutral or unhappy, so look for recurring complaints.
  • Below 50%. Needs improvement. Fewer than half of customers are satisfied, so fix the biggest pain points first.

Track CSAT per channel and per agent too. A strong overall score can hide one channel or team that pulls satisfaction down.

Why CSAT is important

CSAT gives you fast, specific feedback. Because it is collected right after an interaction, it shows exactly which conversations, channels, or processes work and which do not.

For support teams, it is a direct measure of service quality. Low scores often point to slow replies, unresolved issues, or customers being passed between agents. Fixing those moments reduces churn and repeat contacts.

CSAT is also easy to understand across the company. A single percentage makes it simple to set goals, compare teams, and show the impact of every improvement.

How to improve CSAT

Higher satisfaction comes from making every interaction faster, easier, and more personal. These steps have the biggest impact.

Reply faster

Short first response times are one of the strongest drivers of satisfaction. Use automation to acknowledge and route messages instantly.

Resolve on first contact

Give agents full customer history and a shared knowledge base so they can solve issues without transfers.

Support customers on their channel

Offer help on WhatsApp, SMS, chat, and email, and keep the conversation in one thread across all of them.

Personalize every reply

Use the customer's name, order details, and past conversations so they never have to repeat themselves.

Act on low ratings

Follow up on every 1- or 2-star rating, learn what went wrong, and share the lessons with the team.

Measure CSAT continuously. Weekly tracking shows which changes raise satisfaction and catches problems early.