# Cell EMF Calculator

Cell EMF calculator is used for providing the value of electromotive force (EMF) for galvanic (voltaic) cells with given electrodes potential.

**EMF **is known as an **electromotive force**. It is a maximum potential difference between two electrodes of voltaic or galvanic cell. It also defined as **electric pressure** or **force which generates the current in a circuit**. The EMF unit is volt [V].

**Table of Contents**

## Formula of Cell EMF Calculator

The formula to calculate the area of a parallelogram is as follows

EMF_{cell}[V] = E_{cathode}[V] - E_{anode}[V]

**Where,**

A cathode = reducing electrode that releases the electron to the external circuit that's potential is in volts[V].

A node = oxidizing electrode that accepts the electron from an external circuit that's potential is in volts[V]

EMF_{cell} = electromotive force.

**Note:**

If you want to calculate buffer capacity, you can use our Buffer Capacity Calculator.

### Example

If we have a potential of anode is 8.5 volts and the potential of cathode is 12.5 volts then find the cell emf?

**Given data**

potential of anode = 8.5 volts

potential of cathode = 12.5 volts

**To Find**

EMF_{cell}=?

**Solution**

By using the formula listed below, you can find the area of a parallelogram.

EMF_{cell}[V] = E_{cathode}[V] - E_{anode}[V]

Putting values in the formula:

EMF_{cell}= 8.5 - 12.5

EMF_{cell}= 4 volts

### How to use the Cell EMF Calculator?

The steps to use the cell EMF calculator are as follows:

**Step 1: **Enter the value of the anode in the first required input.

**Step 2: **Enter the value of the cathode in the second input needed.

**Step 3: **The calculator will automatically display an answer on the screen.

### Calculator use

To find the Cell EMF, you can use our Cell EMF Calculator. Just enter the required values, and the answer will be shown on the screen