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How to Make a Line Graph in Google Sheets

Learn how to make a line graph in Google Sheets, prepare data, insert chart, label axes, avoid mistakes, troubleshoot, and read FAQs.

Excel & Google SheetsEdited by Pramod Tiwari
2 min read

Quick Answer

To make a line graph in Google Sheets, organize dates or categories in one column and values in another, select the data, choose Insert > Chart, set Chart type to Line chart, then add a title and axis labels.

What You Need

  • Google Sheets file
  • Data with headers
  • Time or ordered categories
  • Numeric values
  • Edit access

Safety Precautions

  • Check data accuracy before charting.
  • Use line charts for trends or ordered data.
  • Label units clearly.
  • Avoid too many lines on one chart.
  • Review chart before sharing.

Step-by-Step Instructions

  1. Step 1

    Prepare data

    Put dates or categories in one column and values in nearby columns.

  2. Step 2

    Add headers

    Use clear labels for each column.

  3. Step 3

    Select data

    Highlight the range you want to graph.

  4. Step 4

    Insert chart

    Choose Insert > Chart.

  5. Step 5

    Pick line chart

    In Chart editor, set chart type to Line chart.

  6. Step 6

    Customize labels

    Add chart title, axis labels, and legend if needed.

  7. Step 7

    Review trend

    Check that the line shows the intended time order.

Practical Example

Example: You select monthly expense data, insert a line chart, and label the vertical axis as Dollars.

Common Mistakes

  • Using text values instead of numbers
  • Selecting blank rows
  • Missing headers
  • Using line chart for unordered categories
  • Too many series
  • Forgetting axis labels

Troubleshooting

Chart type is wrong

Open Chart editor and change Chart type to Line chart.

Line is missing

Check that values are numeric and selected.

Dates are out of order

Sort the data by date before charting.

Graph is hard to read

Reduce series count and simplify labels.

FAQs

What is a line graph best for?

Trends over time or ordered categories.

Can I add multiple lines?

Yes, add additional value columns in the selected range.

How do I edit the chart?

Double-click it to open Chart editor.

Why are my dates wrong?

They may be stored as text or sorted incorrectly.

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