The image above represents transformation rate. To calculate transformation rate, one essential parameter is needed and this parameter is **Halfway Time to Completion (t _{0.5}).**

**The formula for calculating transformation rate:**

Rate =Â ^{1}/_{t0.5}

Where:

Rate = Transformation Rate

t_{0.5}Â = Halfway Time to Completion

Given an example;

Find the transformation rate when the halfway time to completion is 20.

This implies that;

t_{0.5} = Halfway Time to Completion = 20

Rate =Â ^{1}/_{t0.5}

Then, Rate = ^{1}/_{20}

Rate = 0.05

Therefore, theÂ **transformation rateÂ **isÂ **0.05 s ^{-1}.**

**Calculating the Halfway Time to Completion when the Transformation Rate is Given**

t_{0.5} = ^{1} / _{Rate}

Where:

t_{0.5}Â = Halfway Time to Completion

Rate = Transformation Rate

Let’s solve an example;

Find the halfway time to completion when the transformation rate is 40.

This implies that;

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Rate = Transformation Rate = 40

So, t_{0.5} = ^{1} / _{Rate}

t_{0.5} = ^{1} / _{40}

t_{0.5} = 0.025

Therefore, theÂ **halfway time to completionÂ **isÂ **0.025.**

Read more:Â How to Calculate and Solve for Nucleation Rate | Phase Transformation

**How to Calculate Transformation Rate With Nickzom Calculator**

Nickzom Calculator â€“Â **The Calculator Encyclopedia** is capable of calculating the halfway time to completion.

To get the answer and workings of the halfway time to completion using the **Nickzom Calculator â€“ The Calculator Encyclopedia.Â **First, you need to obtain the app.

You can get this app via any of these means:

**Web**Â â€“Â https://www.nickzom.org/calculator-plus

To get access to theÂ **professionalÂ **version via web, you need toÂ **register**Â andÂ **subscribeÂ **to have utter access to all functionalities.

You can also try theÂ **demoÂ **version viaÂ https://www.nickzom.org/calculator

**Android (Paid)**Â â€“Â https://play.google.com/store/apps/details?id=org.nickzom.nickzomcalculator

**Android (Free)**Â â€“Â https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator

**Apple (Paid)**Â â€“Â https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8

Once, you have obtained the calculator encyclopedia app, proceed to theÂ **Calculator Map,Â **then click onÂ **Materials and MetallurgicalÂ **underÂ **Engineering****.**

Now, Click onÂ **Phase Transformation****Â **underÂ **Materials and Metallurgical**

Now, Click on **Transformation Rate****Â **underÂ **Phase Transformation**

The screenshot below displays the page or activity to enter your value, to get the answer for the transformation rate according to the respective parameter which is the **Halfway Time to Completion (t _{0.5}).**

Now, enter the value appropriately and accordingly for the parameter as required by the **Halfway Time to Completion (t _{0.5})** is

**20**.

Finally, Click on Calculate

As you can see fromÂ the screenshot above,Â **Nickzom Calculator**â€“ The Calculator Encyclopedia solves for the transformation rate and presents the formula, workings and steps too.