Sample size calculator
The results of a survey are considered representative when the outcomes of the survey accurately reflect the overall population. Depending on the desired margin of error, confidence level and standard deviation you can calculate the minimum sample size you need so the results can be considered representative.
Only adjust this value if you see a low variance in the the response behaviour of your sample or use the chat for help.
Sample Size
To stay within the desired margin of error, your sample size should be at least {sample}.
If an NPS of 91 isn’t convincing enough –
see what our clients have to say
Over 2,000 companies trust us to make the right decisions every day.
“It's simple: If you need market insights extremely fast and want to work closely with opinions of consumers, you need Appinio.”

Tarek Müller Co-Founder & CEO at About You


Like what you're seeing? Try it for yourself
-
See our platform in action
-
Experience real-time results
-
Explore reports & templates