Tag: Computer adaptive test

Explore our comprehensive collection of health articles in this category.

How long does the RD exam take?

Jan 2, 2026 •

3 min read

With thousands of candidates taking the Registered Dietitian (RD) exam each year, a primary concern is the exam's time commitment. The total time allotted for the testing appointment is 3 hours, with the actual exam portion lasting up to 2.5 hours.

How much time do you get for the RDN exam?

Dec 14, 2025 •

4 min read

According to test preparation resources, candidates are given a total of 3 hours to complete the computer-based RDN exam administered by the Commission on Dietetic Registration (CDR). This generous time frame is a crucial component of the test-taking strategy for future registered dietitian nutritionists.

What Percent Do You Need to Pass the RD Exam? Unpacking the Scaled Score

Dec 14, 2025 •

5 min read

The RD exam does not use a standard percentage; instead, it uses a scaled score. To understand what percent you need to pass the RD exam, know that the passing score is a scaled score of 25 on a scale of 1 to 50. This computer-adaptive testing (CAT) system can be challenging for many candidates.