Crude Fiber Calculator is a handy online tool that determines the crude fiber percentage value in a matter of seconds. Enter the inputs like Weight of silica crucible with contents before ashing, weight of silica crucible with contents after ashing and weight of sample and click on the calculate button to avail crude fiber percentage in seconds.

**Crude Fiber Calculator:** If you are wondering how to determine crude fiber percentage in feed stuffs then avail the quick tool Crude Fiber Calculator. In this article, we will explain all about What is Crude Fiber, Estimation of Crude Fiber in Feed Stuffs, Formula of Crude Fiber, etc. For better understanding, we have covered few examples on finding the crude fiber percentage in the later modules.

Crude Fiber is the indigestible part of food and is described as the residue left after successive extractions within specified conditions using suplhuric acid, petroleum or sodium hydroxide minus ash. It is mainly composed of lignin that is prominantly found in cellulose and tissues of plants. In other words it can be defined as a measure of quantity of indegestible food present in cellulose, lignin, pentosans, and other types of foods.

Estimating Crude Fiber in Feed Stuffs has become much easier with the Crude Fiber Formula i.e. **Percentage of Crude Fiber = ( Weight of silica crucible with contents before ashing * Weight of silica crucible with contents after ashing / Weight of sample * 100)**

For better understanding of the concept we will give you solved examples.

**Example 1:** Calculate the estimated percentage of crude fibre by the given details. Weight of silica crucible with contents before ashing being 35, Weight of silica crucible with contents after ashing is 20 and Sample weight being 7.

**Solution:**

Given Weight of silica crucible with contents before ashing = 35

Weight of silica crucible with contents after ashing = 20

Sample weight = 7

We know the formula to find percentage of crude fiber = ( Weight of silica crucible with contents before ashing * Weight of silica crucible with contents after ashing / Weight of sample * 100)

Substitute the given values in the formula of crude fiber percentage we get the equation = (35*20)/(7*100) = 214.286

Therefore, the crude fiber percentage is 214.286

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**1. What is Crude Fiber?**

Crude Fiber is the term used to denote the fibrous food residue that is left over after it is dissolved in laboratory when treated with harsh chemical solvents.

**2. How do you Calculate Crude Fiber?**

You can calculate Crude Fiber by multiplying the Weight of silica crucible with contents before ashing, Weight of silica crucible with contents after ashing and then dividing the result with weight of sample *100.

**3. What is Crude Fiber Estimation Formula?**

Crude Fiber Estimation Formula is given by Percentage of crude fibre = ( Weight of silica crucible with contents before ashing * Weight of silica crucible with contents after ashing / Weight of sample * 100)

**4. How to use the Crude Fiber Calculator?**

Just type in the inputs specified such as Weight of silica crucible with contents before and after ashing, weight of sample and then tap on the calculate button to avail resultant crude fiber percentage in seconds.