Creating a gauge chart
This example shows a pie chart set up to resemble a gauge. Although this chart displays a single value (entered in cell B15), it actually uses three data points (in C12:C14).
Cell B15 contains a formula that calculates the percent of goal:
As you enter new data in column B, the formulas display the current results.
Cell C12 consists of 50%, and that slice is hidden.
The other two slices are apportioned based on the value in cell B15. The formula in cell C13 is
This formula uses the MIN function to display the smaller of two values: either the value in cell C15 or 100%. It then divides this value by 2 because I'm only dealing with the visible half of the pie chart. Using the MIN function prevents the chart from displaying more than 100%.
The formula in cell C13, shown below, simply calculate the remaining part of the pie:
To create the chart like this one, do the following:
1. Select cells C12:C14 and create a pie chart.
2. Remove the legend.
3. In the popup menu choose the Format Data Series...:
In this dialog box select the Series Options tab, and change the Angle of first slice setting.
4. In the popup menu for the slice 50% choose the Format Data Point... to change the slice's Fill to No fill and Border Color to No Line:
You can then make any other adjustments to get the look you desire.