// Create a new workbook Workbook workbook = new Workbook(); IWorksheet worksheet = workbook.getWorksheets().get(0); IShape shape = worksheet.getShapes().addChart(ChartType.ColumnClustered, 20, 200, 360, 230); worksheet.getRange("A1:D6").setValue( new Object[][] { { null, "S1", "S2", "S3" }, { "Item1", 10, 25, 25 }, { "Item2", -51, -36, 27 }, { "Item3", 52, -85, -30 }, { "Item4", 22, 65, 65 }, { "Item5", 23, 69, 69 } }); shape.getChart().getSeriesCollection().add(worksheet.getRange("A1:D6"), RowCol.Columns, true, true); IAxis value_axis = shape.getChart().getAxes().item(AxisType.Value); value_axis.setDisplayUnit(DisplayUnit.Custom); value_axis.setDisplayUnitCustom(100); value_axis.setHasDisplayUnitLabel(true); // Save to a pdf file workbook.save("DisplayUnitLabelPdf.pdf");