Certainly,** Microsoft Excel** is a popular and useful tool for performing complex equations. Now, wouldn’t it be great if we could calculate accelerated aging in Excel? Sounds complex, right? Wrong! In this article, we’ll show how to make an **accelerated aging calculator in Excel **in 4 easy steps.

**Table of Contents**hide

## Download Practice Workbook

## What Is Accelerated Aging?

First of all, let us dwell a little on what is meant by “accelerated aging”?

Accelerated aging determines the shelf life of a product before it is sold to the consumer, and real-world data is available. Normally, accelerated aging involves performing studies that mimic how aging may affect materials over their lifetime.

## Arithmetic Formula to Calculate Accelerated Aging Duration

Generally speaking, the Arrhenius equation serves as the basis for calculating accelerated aging time. Therefore, the equation for accelerated aging according to the **ASTM F1980 **standard is:

where,

**Desired Shelf Life**is the time in months that a product remains fit for use/consumption.**Q**is the_{10}**Aging Factor**which usually considered to be 2, meaning the aging rate doubles for every 10℃ changes in temperature.**T**is the_{AA}**Accelerated Aging Temperature**which ranges from 40℃ to 60℃.**T**is the surrounding or the ambient temperature which is normally between 20℃ and 25℃._{S}

## 4 Easy Steps to Make an Accelerated Aging Calculator in Excel

Now, let us consider the **Shelf Lives of Aspirin Brands** dataset shown in the **B4:D14 **cells. Here, the dataset shows the **Serial **number, the **Brand, **and the **Shelf Life in Months** for each *Brand *respectively. So, let’s glance at each of the steps shown below.

Here, we have used the *Microsoft Excel 365* version, you may use any other version according to your convenience.

### 📌 Step 1: Enter the Shelf Life

- First, enter the
*Desired Shelf Life*of the product, here, we’ve chosen 12 months for the*Aspirin*from*Brand 6*as shown in the above dataset.

**Read More: ****How to Do Aging Analysis in Excel (with Quick Steps)**

### 📌 Step 2: Specify the Temperatures and Aging Factor

- Second, type in the
*Accelerated Aging Temperature*in degrees Celsius, which in this case is 50℃. - Next, enter the
*Ambient Temperature*in degrees Celsius*,*here it is 25℃. - Following this, insert the
*Aging Factor*value, usually, this value is taken as 2.

**Read More: ****How to Use Multiple If Conditions in Excel for Aging (5 Methods)**

**Similar Readings**

**How to Use IF Formula for Aging Buckets in Excel (3 Suitable Examples)****Use Stock Ageing Analysis Formula in Excel (2 Easy Ways)****How to Make Inventory Aging Report in Excel (Step by Step Guidelines)**

### 📌 Step 3: Calculate Accelerated Aging Factor

- Third, compute the
*Aging Factor*using the formula given below.

`=$C$9^(($C$7-$C$8)/10)`

Here, the **C7**, **C8**, and **C9** cells refer to the input parameters *Accelerated Aging Temperature, Ambient Temperature, *and *Aging Factor *respectively.

📃 *Note: **Please make sure to use **Absolute Cell Reference** by pressing the F4 key on your keyboard.*

**Read More: ****Aging Formula in Excel Using IF (4 Suitable Examples)**

### 📌 Step 4: Obtain the Accelerated Aging Time

- Fourth, compute the
*Accelerated Aging Time*in days by inserting the expression given below.

`=365/12*$C$6/C12`

Here, the **C6 **and **C12 **cells point to the *Desired Shelf Life *and *Accelerated Aging Factor *respectively.

Eventually, the results should look like the screenshot given below.

**Read More: ****How to Calculate Days with Aging Formula in Excel**

## Interpretation of Result

In the following section, we’ll explain the results of this accelerated aging test.

- First, the
*Accelerated Aging Factor*signifies that each day spent by the product at 50℃ temperature equals 5.66 days of real-time aging. - Second, in order to test the
*Shelf Life*of the product, in this example of 12 months, we need to perform the*Accelerated Aging*test for 64.52 days at this*Ambient Temperature*and*Accelerated Aging Temperature*.

## Practice Section

Here, we have provided a** Practice** section on the right side of each sheet so you can practice yourself. Please make sure to do it by yourself.

## Conclusion

Henceforth, I have shown you a step-by-step guide on how to make an accelerated aging calculator in Excel. So I suggest you read the full article carefully and apply the knowledge to your needs. You can also download our free workbook to practice. Finally, I hope you find this article helpful and informative. If you have any further queries or recommendations, please feel free to comment here. And, visit **ExcelDemy** for many more articles like this.