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How to Calculate Calibration Uncertainty per ILAC P14


Learn how to calculate calibration uncertainty and report uncertainty in your calibration certificates, so you can meet ISO/IEC 17025:2017 and ILAC P14:01/2013 requirements.


  • -11 Lesson Videos
  • -5 Demonstration Videos
  • -PowerPoint Slides
  • -Calibration Uncertainty Calculator for Excel


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SKU: 20190201 Categories: ,


Welcome to the most comprehensive course on the calculating and reporting calibration uncertainty.

This course is going to teach you how to calculate and report measurement uncertainty in your calibration reports. The process you will learn is based on the requirements of ISO/IEC 17025:2017 and ILAC P14:01/2013.

If you are an accredited calibration laboratory, this course is for you!
You are going to learn:

  1. -ISO/IEC 17025:2017 Requirements for Reporting Calibration Uncertainty
  2. -ILAC P14:01/2013 Requirements for Reporting Calibration Uncertainty
  3. -How to Calculate Calibration Uncertainty
  4. -How to Report Calibration Uncertainty
  5. -How to Write Uncertainty Statements
  6. -How to Automatically Calculate Uncertainty in your Calibration Templates





✔ You work in a calibration laboratory


✔ Your laboratory is ISO/IEC 17025 accredited, or wants to be


✔ You want to learn the easy way to calculate and report measurement uncertainty





1 ISO/IEC 17025:2017 and ILAC P14 Requirements

Learn the ISO/IEC 17025:2017 and ILAC P14 Requirements for Calculating and Reporting Calibration Uncertainty.

2 How to Calculate Calibration Uncertainty

Learn how to calculate and combine CMC Uncertainty, UUT Resolution, and UUT Repeatability.

3 Estimating Measurement Uncertainty with the GUM Method

Learn how to characterize, convert, and combine uncertainty components and expand uncertainty to a 95% confidence interval (where k=2) using the GUM method.

4 How to Report Measurement Uncertainty

Learn how to report measurement uncertainty in your calibration certificates. Plus, learn how to write and an uncertainty statement.

5 How to Integrate it into Your Calibration Process

Learn how to add an uncertainty calculator to your calibration checklist & templates in Excel.
Calibration Uncertainty Process per ILAC P14




This is a 2 day course designed to teach you how to estimate calibration uncertainty in 4 fundamental steps. Each step gives you access to new lectures and demonstrations designed to teach you a new set of skills.

Take a look below at the course curriculum and summary:

STEP 1 – The Requirements

Lesson 01: ISO/IEC 17025:2017 Requirements

Learn all of the requirements for estimating and reporting measurement uncertainty.

Lesson 02: ILAC P14:01/2013 Requirements

Learn the international policy and guidelines for reporting uncertainty in calibration certificates.

STEP 2 – The Uncertainty Components

Lesson 03: How to Calculate CMC Uncertainty

Learn how to calculate CMC Uncertainty using the information in your scope of accreditation and my exclusive calibration uncertainty calculator.

Lesson 04: How to Find UUT Resolution

Learn how to find the UUT resolution of digital devices, analog devices, and artifacts. This lesson is packed with tons of examples.

Lesson 05: How to Calculate UUT Repeatability

Learn how to calculate UUT Repeatability without collecting a million samples and hurting your laboratory’s productivity.

STEP 3 – Estimating Uncertainty

Lesson 06: How to Characterize and Convert Uncertainty

Learn how to characterize and convert uncertainty to standard deviations. Plus, learn how to automate the entire the process.

Lesson 07: How to Calculate Combined Uncertainty

Learn how to automatically combine uncertainty sources using the root sum of squares method recommended by the GUM. Plus, learn my 2-step function that combines uncertainty without typing long equations.

Lesson 08: How to Calculate Expanded Uncertainty

Learn how to automatically calculate the expanded uncertainty that guarantees a 95% confidence interval with a coverage factor where k=2.

STEP 4 – Reporting Uncertainty

Lesson 09: How to Evaluate Calibration Uncertainty

Learn to verify and validate your calculated calibration uncertainty using 4 exclusive evaluation techniques.

Lesson 10: How to Report Uncertainty

Learn how to report uncertainty in your calibration reports. Plus, learn how to draft an uncertainty statement for your certificates.

Lesson 11: How to Add An Uncertainty Calculator to Calibration Templates in Excel

Learn how to add an uncertainty calculator to your calibration templates and quickly estimate uncertainty for your measurement results.




When you enroll, you will get access to the following:

  1. How to Calculate Calibration Uncertainty Training Course
  2. 11 Course Videos (6 Hours of Video)
  3. 5 Demonstration Videos
  4. 11 PowerPoint Lectures
  5. 1 Uncertainty Calculator


11 Course Videos

Learn how to calculate calibration uncertainty watching high quality video lectures. I will teach you everything you need to know step-by-step with simple and easy to follow instructions.

Calibration Uncertainty Training Lesson Videos


5 Demonstration Videos

Watch me estimate calibration uncertainty step-by-step so you can see exactly how to do it yourself. These demonstrations take each lecture to next level by showing you how to calculate measurement uncertainty.

Calibration Uncertainty Training Example Videos


11 PowerPoint Lectures

Get access to the PowerPoint slides used in each lecture. Use them to follow along, take notes, or just refresh your memory.

Calibration Uncertainty Training PowerPoint Slides


1 Uncertainty Calculator

Get my popular Calibration Uncertainty Calculator for Microsoft Excel, so you estimate calibration uncertainty during and after the course.

Calibration uncertainty Calculator




This course is recommended for people who routinely estimate calibration uncertainty for their laboratory, including:

  1. Quality Managers,
  2. Technical Managers,
  3. Technicians,
  4. Engineers,
  5. Quality Control personnel, and/or
  6. Data Entry Personnel.

If you are the person who estimates and reports measurement uncertainty for your laboratory, this course is recommended for you.

Plus, this process works for all types of calibration laboratories, including:

  1. Electrical – DC/LF,
  2. Electronic – RF/Microwave,
  3. Dimensional,
  4. Mechanical,
  5. Thermodynamic,
  6. Acoustic & Vibration,
  7. Photometry,
  8. Chemical,
  9. and many more.




This is a 2-day course that is 100% online.

You have up to 30 days to complete the course. Plus, you get access to the course and all of its material for 365 days so you can go back, watch the videos, and review the information any time you like.

That’s 1 year of unlimited access included! If you need more time, notify the instructor to request a free extension.




To participate and complete this course, you will need the following;

  1. A computer,
  2. An internet connection,
  3. An email account,
  4. Microsoft Excel, Google Sheets, or Apple Numbers, and
  5. Adobe PDF Reader




Rick Hogan


I’m a pro at estimating uncertainty. Here’s how I can help you.

I’ve been estimating uncertainty in measurement since 2008. Over the years, I have developed simple and clever ways to calculate measurement uncertainty. In 2010, ILAC released the first version of the P14 policy which changed how calibration laboratories calculate and report measurement uncertainty. To prevent ruining laboratory production, I developed a process to estimate calibration uncertainty quickly. Using Microsoft Excel, I created an uncertainty calculator that could be added into calibration checklists and templates that would automatically calculate calibration uncertainty in accordance with ILAC P14.

Nearly 10 years later, I am still using the same process because it works!

Most commercial calibration software has not yet integrated this capability (even though I have submitted more than 100 complaints).

Over the years, I have taught clients how to calculate uncertainty and report it in their calibration certificates.

Now, you can learn the same process that I use to calculate calibration uncertainty and increase your laboratory production.

However, it does not stop there! You can use this process to quickly QA calibration reports before submitting them to a customer. Plus, you can use it to calculate uncertainty for your proficiency tests and interlaboratory comparisons.

Learning this process can really help you and your laboratory. That’s why I created How to Calculate Calibration Uncertainty to help calibration laboratories learn from my successes and failures so they can meet ISO/IEC 17025:2017 requirements.



Frequently Asked Questions


How long do I have access to the course?

You will have one year (365 days) access to the course.


What equipment/software will I need to complete the course?

To complete this course, you will only need a computer, an email account, an internet connection, and Microsoft Excel, Google Sheets, or Apple Numbers. We will provide with uncertainty calculator that you will use for the course.

It is recommended to have access to test equipment and calibration reports in order to perform an uncertainty analysis during the course.


What do I do if I need help?

If you have a question related to this course, email Thanks!


How long is the course?

Plan to take about 2 days to 1 week to complete the course. Some people complete the course in 1 day.

There are 16 videos totaling over 6 hours of content. Most videos are 15–30 minutes long, with the shortest video around 9 minutes and the longest about 35 minutes.


Can I pay with PayPal?

Yes. On the checkout page under the “Billing Information” section, select the “Pay with PayPal” button. This will allow you to pay with PayPal.


What if I am unhappy with the course?

Oh no! We don’t want that! We offer a 7-day money back guarantee. If you are unhappy with the course for any reason, let us know and we will refund your payment within 30 days. We would appreciate notification within the first 7 days of the course.


When does the course start and finish?

The course will be offered periodically; make sure to join our mailing list to receive notifications when the course reopens. Once you have enrolled, you have ongoing access and assistance from me. The course is self-paced and you may take as long as you need to complete it.




Stop wasting time trying to figure it out on your own. Let me show you how to calculate and report calibration uncertainty. It is much easier than you think. Don’t risk getting a deficiency. It will cost you more time and money than this course to fix it. Plus, you will regret it.
Have you ever got a deficiency?
Then, you should know everything that is involved in correcting it. You have to:

  1. Write up a nonconformance,
  2. Conduct an investigation to:
    1. Find the cause,
    2. Find other affected work/results
  3. Take corrective action to:
    1. Fix the problem,
    2. Draft/update policies and procedures,
    3. Provide training to personnel,
    4. Notify affected customers,
    5. Recall affected work
  4. Submit objective evidence to your accreditation body,
  5. Wait for them to:
    1. Approve your corrective actions, or
    2. Ask you to do more

Deficiencies take a long time to resolve! You could be stuck spending months trying to fix them while your accreditation body tells you that it isn’t good enough.

Worse yet! Your lab could get stuck living on extensions for months and your customers calling you each month questioning whether or not you are accredited.

Don’t let this happen to you. Just let me help you.


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