Can You Use a Calculator on the NPOST Test? | Official Policy & Prep


Can You Use a Calculator on the NPOST Test?

Get a definitive answer and test your readiness for the math section.

NPOST Math Readiness Calculator

The National Police Officer Selection Test (NPOST) includes a math section that must be completed without a calculator. This tool helps you assess if your basic arithmetic skills are sharp enough for the exam.

Answer the sample questions below, enter the number you got correct, and see your readiness score.

Question 1: An officer drives 15 miles in 20 minutes. What is the officer’s average speed in miles per hour (MPH)?

(Answer: 45 MPH)

Question 2: A police department has 120 officers. 25% are assigned to the traffic division. How many officers are in the traffic division?

(Answer: 30 officers)

Question 3: An evidence locker contains 45 items from one case, 32 from another, and 18 from a third. What is the total number of items?

(Answer: 95 items)

Question 4: An officer works a 10-hour shift and spends 4 hours on patrol, 2 hours on paperwork, 1 hour on lunch, and the rest on community meetings. What percentage of the shift was spent on community meetings?

(Answer: 30%)



Enter the total number of correct answers from the quiz above.


The Official Policy: Can you use a calculator on the NPOST test?

The answer is unequivocally no. You are not allowed to use a calculator on the NPOST test. This rule is strict and is enforced to ensure all candidates are evaluated on their fundamental arithmetic skills, which are crucial for police work. You will be provided with scratch paper to perform any necessary calculations by hand. The test is designed to assess your ability to think on your feet and solve problems without technological assistance.

What is the NPOST Test?

The National Police Officer Selection Test (NPOST) is an entry-level examination used by numerous law enforcement agencies across the United States to assess a candidate’s suitability for a career in policing. It measures core skills essential for the job. The test is divided into four timed sections: Mathematics, Reading Comprehension, Grammar, and Incident Report Writing. Success on the NPOST is a critical first step for aspiring officers in jurisdictions that use this test, including statewide in Iowa, Utah, and Wyoming.

NPOST Mathematics Section Formula and Explanation

The math on the NPOST isn’t advanced; it covers basic arithmetic and practical problem-solving. There is no complex algebra or geometry. The goal is to test your proficiency in addition, subtraction, multiplication, division, percentages, and fractions, often presented in the form of word problems. For more details on the types of questions, see our NPOST Math Practice Guide.

NPOST Math Skill Breakdown
Variable / Skill Meaning Unit Typical Range
Basic Arithmetic Addition, Subtraction, Multiplication, Division. Unitless (integers, decimals) Whole numbers and decimals
Percentages Calculating parts of a whole, such as discounts or statistics. % 1-100%
Fractions & Ratios Comparing quantities or dividing resources. Ratios Simple fractions (e.g., 1/2, 3/4)
Rate & Speed Calculating speed, distance, or time. MPH, minutes, miles Realistic travel scenarios

Practical Examples

Here are two realistic examples mirroring the style of questions on the NPOST math section.

Example 1: Calculating Total Time

Inputs: An officer spends 45 minutes directing traffic, 25 minutes writing a report, and 15 minutes talking to a witness.

Calculation: 45 + 25 + 15 = 85 minutes.

Result: The officer spent a total of 1 hour and 25 minutes on these tasks.

Example 2: Calculating Speed

Inputs: A patrol car travels 30 miles in 45 minutes.

Calculation: To find miles per hour, we know 45 minutes is 0.75 of an hour. The formula is Distance / Time. So, 30 miles / 0.75 hours = 40 MPH.

Result: The car’s average speed is 40 MPH. Learn more about speed and distance calculations.

How to Use This NPOST Math Readiness Calculator

Using our calculator is a simple way to gauge if you need more practice before the real exam. The question “can you use a calculator on npost test” becomes irrelevant if your skills are strong.

  1. Review the Questions: Read the four sample math problems provided in the calculator section.
  2. Solve Them: Use a piece of scratch paper to solve each problem, just as you would during the actual NPOST.
  3. Select Your Score: From the dropdown menu, choose the total number of questions you answered correctly.
  4. Calculate Readiness: Click the “Calculate My Readiness” button.
  5. Interpret Results: The tool will display your score and provide an interpretation, letting you know whether you’re test-ready or if you need to focus more on your arithmetic skills.

Key Factors That Affect NPOST Math Performance

  • Basic Arithmetic Fluency: Your speed and accuracy with addition, subtraction, multiplication, and division are paramount.
  • Reading Comprehension: You must be able to read a word problem and extract the necessary numerical information to solve it.
  • Time Management: The math section is timed (typically 20 questions in 20 minutes), so you must work efficiently.
  • Avoiding Simple Mistakes: Double-checking your work on scratch paper can prevent errors that cost you points.
  • Understanding Percentages: Many questions involve percentages, so being comfortable with them is crucial. Check out our guide to percentages.
  • No Calculator Reliance: The biggest factor is your ability to perform all calculations by hand. Practicing without a calculator is non-negotiable.

Frequently Asked Questions (FAQ)

1. Are calculators allowed on any part of the NPOST test?

No, calculators are prohibited for the entire duration of the test, including the mathematics, reading, and grammar sections.

2. What kind of math is on the NPOST test?

The math section consists of basic arithmetic, including word problems involving addition, subtraction, multiplication, division, fractions, and percentages. There is no higher-level math like algebra or geometry.

3. Why are calculators banned?

The test is designed to measure your inherent analytical and problem-solving skills under pressure, which includes the ability to perform mental or manual calculations quickly and accurately—a skill needed in the field. Preparing with this in mind is key to passing the police entrance exam.

4. Will I be given anything to help with calculations?

Yes, you will be provided with scratch paper to do your figuring.

5. How long is the NPOST math section?

Typically, it consists of 20 questions to be completed in 20 minutes.

6. Is there a penalty for guessing?

No, your score is based on the number of correct answers. It is better to guess than to leave an answer blank.

7. What is a passing score on the NPOST?

Passing scores can vary by agency, but often a score of 70% or higher is required in each section.

8. How can I best prepare for the math section without a calculator?

Practice is key. Use study guides and practice tests specifically designed for the NPOST, focusing on solving problems by hand. Time yourself to simulate test conditions. Our NPOST Study Guide can help.

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