Can You Use A Calculator On The Oar

Estimate Your OAR Score

Enter your estimated performance in each section of the Officer Aptitude Rating (OAR) test to calculate an approximate score. This tool is for estimation purposes only.

Estimated OAR Score

—

Math %

–%

Reading %

–%

Mechanical %

–%

This OAR Score Calculator provides an estimate based on a weighted average of section percentages, scaled to the official 20-80 score range.

Score Contribution Analysis

Subtest	Correct Answers	Total Questions	Percentage Score
Math Skills	22	30	73.3%
Reading Comprehension	23	30	76.7%
Mechanical Comprehension	21	30	70.0%

This table breaks down your inputs and the resulting percentage for each section of our OAR Score Calculator.

What is the OAR Test? And Can You Use a Calculator?

The first and most critical question for many candidates is: can you use a calculator on the OAR? The answer is unequivocally no. Calculators are strictly prohibited during the OAR exam. You will be provided with scratch paper and a pencil to perform any necessary calculations by hand. This rule underscores the importance of having strong foundational math skills, as the test is designed to assess your ability to solve problems without technological aids.

The Officer Aptitude Rating (OAR) test is a standardized exam used by the U.S. Navy to screen applicants for Officer Candidate School and other non-aviation officer programs. It is a subtest of the larger Aviation Standard Test Battery (ASTB-E). The OAR focuses on assessing your cognitive abilities in three key areas: mathematics, reading, and mechanical principles. A good score is crucial for a competitive application package. This OAR Score Calculator is designed to help you project your performance.

The test is typically administered on a computer and is adaptive, meaning the difficulty of questions changes based on your answers. Scores range from 20 to 80, with an average score typically falling between 40 and 60. While the minimum passing score for the Navy is often cited as 35, competitive programs require much higher scores.

Who Should Use This OAR Score Calculator?

This calculator is for prospective Navy officers who plan to take the OAR test. Whether you are just starting your preparation or are fine-tuning your skills, using an OAR Score Calculator can provide valuable insights into your potential strengths and weaknesses across the three subtests.

OAR Score Calculator Formula and Explanation

The official OAR scoring algorithm is proprietary and not publicly disclosed. It is a complex formula that considers the adaptive nature of the test and weights questions differently. However, we can create a reliable estimate for our OAR Score Calculator by using a logical, transparent formula that reflects the core components of the test.

Our calculator uses a three-step process:

1. Calculate Individual Section Percentages: We first determine the percentage of correct answers for each subtest (Math, Reading, Mechanical).
   Formula: (Correct Answers / Total Questions) * 100
2. Determine the Average Performance: We then calculate the unweighted average of the three percentage scores. For this calculator, we assume each section contributes equally to the final score.
   Formula: (Math % + Reading % + Mechanical %) / 3
3. Scale to the OAR Range: Finally, we scale this average percentage (0-100%) to the official OAR score range of 20 to 80. A 0% average maps to a score of 20, and a 100% average maps to a score of 80.
   Formula: Estimated OAR Score = 20 + (Average Performance * 0.60)

Variables Table

Variable	Meaning	Unit	Typical Range
Math Correct	Number of correct answers on the Math Skills Test.	Count	0 – 30
Reading Correct	Number of correct answers on the Reading Comprehension Test.	Count	0 – 30
Mech Correct	Number of correct answers on the Mechanical Comprehension Test.	Count	0 – 30
Estimated OAR Score	The final calculated score on the 20-80 scale.	Points	20 – 80

Practical Examples

Example 1: A Competitive Candidate

A candidate feels confident in their abilities and uses the OAR Score Calculator with the following inputs:

• Math Skills: 25 correct out of 30
• Reading Comprehension: 26 correct out of 30
• Mechanical Comprehension: 24 correct out of 30

The calculator processes this as: Math=83.3%, Reading=86.7%, Mech=80.0%. The average is 83.3%. The estimated OAR score would be approximately 70. This is a highly competitive score, likely placing the candidate in the top 10% of test-takers.

Example 2: An Average Candidate

Another candidate is aiming for a solid, passing score and inputs their expected performance:

• Math Skills: 20 correct out of 30
• Reading Comprehension: 22 correct out of 30
• Mechanical Comprehension: 18 correct out of 30

The OAR Score Calculator calculates: Math=66.7%, Reading=73.3%, Mech=60.0%. The average is 66.7%. The estimated OAR score would be approximately 60. This is a strong, above-average score that would make for a solid application.

How to Use This OAR Score Calculator

Using this tool is straightforward and designed to give you a quick performance snapshot.

1. Enter Your Correct Answers: For each of the three input fields (Math, Reading, Mechanical), enter the number of questions you believe you can answer correctly. Use results from practice tests for the most accurate estimate.
2. Review Your Estimated Score: The “Estimated OAR Score” will update automatically. This is your primary result, scaled to the official 20-80 range.
3. Analyze Intermediate Results: The percentage scores for each section show your relative strengths and weaknesses. Use this information to focus your study efforts.
4. Visualize Performance: The bar chart provides an immediate visual comparison of your performance across the subtests, helping you see where you excel and where you need improvement.
5. Reset or Copy: Use the “Reset” button to clear the fields and start over. Use the “Copy Results” button to save a summary of your inputs and estimated score to your clipboard.

Key Factors That Affect OAR Results

Your OAR score is influenced by more than just rote memorization. Understanding these factors is key to effective preparation. Using an OAR Score Calculator helps track how improving these factors translates to a better score.

• Mental Math Proficiency: Since calculators are forbidden, your ability to perform calculations quickly and accurately by hand is paramount. This includes everything from basic arithmetic to algebraic manipulation.
• Reading Speed and Comprehension: The Reading Comprehension Test (RCT) requires you to absorb information from dense passages and answer questions under a tight time limit. Your ability to read efficiently without sacrificing understanding is critical.
• Physics and Mechanical Intuition: The Mechanical Comprehension Test (MCT) assesses your understanding of physical principles like gears, pulleys, fluids, and basic electrical circuits. This often requires more intuitive understanding than formulaic knowledge.
• Time Management: Each section of the OAR is timed. Pacing yourself is crucial. Spending too much time on one difficult question can prevent you from answering several easier ones.
• Foundation in Algebra and Geometry: The Math Skills Test (MST) heavily relies on high school-level algebra and geometry. A weak foundation here will be a significant disadvantage.
• Test-Taking Strategy: Because the test is computer-adaptive, a good strategy is vital. Knowing when to make an educated guess versus when to move on can impact your final score. However, on the CAT version, random guessing can hurt your score.

Frequently Asked Questions (FAQ)

1. Can you really not use a calculator on the OAR test?
Correct. Calculators are absolutely not permitted on the OAR test. All math must be done manually.

2. Is this OAR Score Calculator 100% accurate?
No. This is an estimation tool. The official scoring is complex and secret. This calculator provides a reasonable projection based on a simplified, transparent model to help guide your studies.

3. What is a “good” OAR score?
While the minimum passing score is 35, a “good” score is generally considered to be 50 or higher. Highly competitive applicants often score above 60.

4. How many times can I take the OAR?
You can take the OAR test a maximum of three times in your lifetime, with a waiting period between attempts.

5. What are the three sections of the OAR?
The OAR consists of three subtests: the Math Skills Test (MST), the Reading Comprehension Test (RCT), and the Mechanical Comprehension Test (MCT).

6. Does this OAR Score Calculator account for the adaptive test format?
No, it cannot. A simple web calculator cannot replicate the computer-adaptive nature of the real OAR. It assumes all questions have equal weight.

7. How long is the OAR test?
The three subtests take a total of 85 minutes for the paper version, but the computer-adaptive version’s length can vary.

8. What is the difference between the OAR and the ASTB-E?
The OAR is a component of the full ASTB-E. The ASTB-E includes additional sections relevant for aviation officer candidates (pilots and NFOs), while the OAR is for non-aviation officer programs.