- Calculate Quick & Easy
No coding necessary, nQuery's intuitive easy to use interface allows you to calculate power and sample size quickly and accurately. Our sample size statement generator automatically writes up your sample size statement in the correct language & format for submission to regulatory agencies and peer-reviewed publications.
- Complete Confidence
Partnering with Big Pharma and Top 10 CRO's for 20 years, we know every trial design scenario so you can calculate sample size and power with complete confidence. With100’s of validated sample size procedures and 50,000 users worldwide, you can trust nQuery.
- Industry Favorite for Regulatory Approval
Sample size calculation is a small but vital part of the study design. You can rely on nQuery, the most trusted sample size calculator, proven over 1000’s of successful clinical trials. Use the industry standard software for all studies including funding approval.
Use the software that Big Pharma relies on to calculate sample size
My research work into a rare disease resulted in quite a small sample size. I needed to ensure that despite this small sample size, my study was adequately powered. I knew that nQuery would provide me with the assurance I needed to be sufficiently confident to submit my results to a quality peer-reviewed journal.