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Pie Chart Calculator

Enter the Group (variable) in the tool and the calculator will generate the pie chart for the values entered

Group D :

Group C :

Group B :

Group A :

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The pie chart calculator helps determine the percentage and the angles of statistical data. Enter the values of your variables to calculate relative percentages and angles in degrees for visualization.

What is a Pie Chart?

A pie chart is a circular graph representing data as slices of a circle. Each slice shows the proportion of a category relative to the total. Variables are represented by different colors, and their size corresponds to their share of the whole. To create a pie chart, provide a list of categorical variables and their numeric values.

Formulas for Pie Chart Calculations

Percentage of a variable:

Percentage = (Value of variable / Total of all variables) × 100

Angle of a variable:

Angle = (Value of variable / Total of all variables) × 360°

Steps to Create a Pie Chart

Identify all variables and determine their values.
Calculate the total sum of all variable values.
Compute the percentage of each variable using the formula above.
Calculate the angle of each variable by multiplying its fraction of the total by 360°.

Practical Example

Consider a class of 40 students and their favorite sports:

Football = 10
Hockey = 5
Cricket = 5
Basketball = 10
Badminton = 10

Step 1: Calculate Percentages

Football = (10 / 40) × 100 = 25%
Hockey = (5 / 40) × 100 = 12.5%
Cricket = (5 / 40) × 100 = 12.5%
Basketball = (10 / 40) × 100 = 25%
Badminton = (10 / 40) × 100 = 25%

Step 2: Calculate Angles

Football = (10 / 40) × 360° = 90°
Hockey = (5 / 40) × 360° = 45°
Cricket = (5 / 40) × 360° = 45°
Basketball = (10 / 40) × 360° = 90°
Badminton = (10 / 40) × 360° = 90°

Step 3: Tabular Representation

Group	Sport	Value	Percentage	Angle
A	Football	10	25%	90°
B	Hockey	5	12.5%	45°
C	Cricket	5	12.5%	45°
D	Basketball	10	25%	90°
E	Badminton	10	25%	90°

Step 4: Draw the Pie Chart

Pie Chart Example

What the Pie Chart Calculator Provides

Percentage of each variable relative to the total.
Angle in degrees for each variable.
Visual representation of data as a pie chart.

FAQs

What is another name for a pie chart?

A pie chart is also called a circle chart. It visually summarizes a set of nominal data as portions of a circle.

Difference Between Pie Chart and Column Chart

Column Chart: Compares values across categories.
Pie Chart: Shows the proportion of each category within a total.

Forms of Pie Charts

Pie charts can be:

2D Pie Chart
3D Pie Chart

Most pie chart calculators generate 2D charts for clear visualization.

References

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