Skip to main content
MedCalc
Mail a PDF copy of this page to:
Email address
Save this email address on this device
(Your email address will
not
be added to a mailing list)
MedCalc
Easy-to-use statistical software
Select color mode
Light
Dark
Device
Search keywords
Search keywords
Menu
▼
Home
Features
Download
Order
Contact
FAQ
Manual
Download our user-friendly MedCalc statistical software for your Windows desktop.
Download
Home
Online statistical calculators
Post-hoc power analysis
Free statistical calculators
Power estimator for Single mean
Input
Required alpha level (P):
0.01
0.05
0.10
0.20
Observed Mean:
Observed Standard deviation:
Null hypothesis value:
Sample size:
How to cite this page
MedCalc Software Ltd. Power estimator for Single mean. https://www.medcalc.org/calc/power-single-mean.php (Version 23.2.6; accessed June 15, 2025)
Free statistical calculators
Statistical tests
Sample size calculation
Post-hoc power analysis