Registered Dietitian
RD
dietitiantest.com is your dedicated RD practice site: 1,000+ exam-style practice questions, organized across all 4 exam domains. Start with the free practice test — no card required.
- practice questions
- 1,000+
- exam domains
- 4
- practice test
- Free
Exam at a glance
- Exam fee
- $250 (increased from $225 effective June 2025). Test Bundle Voucher option $350 for two attempts.
- Questions on exam
- Minimum 125 multiple-choice questions (computer-adaptive, question count varies by candidate).
- Duration
- 3-hour time limit (extended from 2.5 hours in March 2024).
- Passing score
- Passing scaled score 25 out of 50.
- Validity
- Certification requires 75 CPEUs every 5-year cycle for recertification.
Published exam facts, from the official outline.
What’s on the RD exam
- Principles of Dietetics (25%)
- Nutrition Care for Individuals and Groups (40%)
- Management of Food and Nutrition Programs and Services (21%)
- Foodservice Systems (14%)
Official exam blueprint domains — your practice bank mirrors this outline.
The RD question bank follows the official exam blueprint across 4 domains, so your practice mirrors the real outline — and shows you exactly where you’re weak. See the full blueprint on dietitiantest.com →
Your RD prep is one click away
The free RD practice test, the full 1,000+ question bank and your readiness score — all on dietitiantest.com.
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