The bar chart will visualize your Gantt chart’s most important data points Step 3: Input Duration Data The next step is to add another series to your Excel chart to reflect each task’s duration.

Smartsheet's Gantt chart template lets you input the dates for each assignment and choose their completion percentage. When you increase the percent completed, the shade of green turns darker. As a ...

Gantt charts read from left to right, top to bottom. (See the image above from TeamGantt.) The x-axis is time. The chart starts when the project kicks off and ends when the project is delivered.