Pages

Saturday 22 October 2011

Gauge chart

Gauge Chart in Excel :-
Gauge chart in Excel also known as Speedometer chart.

This chart is basically a combination of 2 charts, 1st Doughnut chart & 2nd Pie chart

First we will make Doughnut chart which is a base to place pie chart on it -
To make doughnut chart we requires some measures which will show the strength of area like RED area, Yellow area & the safest area which is green, we will use below mentioned table to make this chart

Performance
Measure
Color
Bad
40%
Red
Average
20%
Yellow
Good
40%
Green
Base
100%
White

We require half (100% out of 200%) of the chart to be hidden so will color this area white
To create Doughnut chart follow mentioned instructions –
·         Select Doughnut chart from Insert chart menu under other charts
·         Remove the legends & heading
·         Right click on any of the slice of the chart area and select Format Data series
·         Rotate chart by 270 degree under series options
·         Right click outside the circle and select No fill under Fill option
·         Also click on No line under border color
·         And change the slice color as per table mentioned above


Now we will make another part of Gauge chart which is Pie chart –
Pie chart will capture your actual performance %age, by changing this %age your chart will change automatically

Performance
Measure
Performance
50%

Here we are assuming 50% is your current performance which can be change manually as per the actual performance of the company
Now the below mentioned table will make Pie chart


Data
Color
Performance - 1%
49%
White
1%  Gap to highlight
1%
Gray

150%
White

In this table 1% is nothing but to show the line on the point of performance %age like below
To create this chart –
·         Select Pie chart from insert menu under charts
·         Remove the legends
·         Add Data Labels
·         Right Click on any slice of Pie chart and select format Data series
·         Rotate chart by 270 Degree under series options
·         Right click just outside the circle & select No Fill under Fill option
·         Also select No line under border color
·         Change the circle color as per Table mentioned
·         Remove data levels except 1%
·         Select 1%, Press equal to sign & click on performance value Cell (50%) to show performance %age
After doing this our chart will look like

Fit Pie chart over Doughnut chart & do formatting like below
·         Make a round circle to fit middle of the doughnut chart
 
·         Make a shield to protect your charts to avoid unnecessary clicks

Place circle & shield at appropriate place & your Gauge chart is ready
Please write your suggestions to make it better