Sample Size Calculator
377 Respondents
Required Sample Size
Z-Score Value
1.960
Infinite Population Base
385 Respondents
Population Sampling %
1.89% of Population
Recommended +10% Dropout Buffer
415 Surveys Needed
Rate This Tool
Your feedback helps others discover great tools
4.7
out of 5
145 ratings
🏆 Top Rated
Tap a star to rate: