Word Insert Captions: Tables, Figures, Equations

This guide explains how to insert captions for tables, figures, and equations in Microsoft Word, covering the built-in Caption tool, cross-references, and automatic numbering. You will learn the exact steps for each object type, how to format captions, and how to fix common numbering problems.

Formula

The caption itself is not a mathematical formula, but the automatic numbering Word uses is a simple counter. For each caption type (table, figure, equation), Word increments a sequence number each time you insert a caption with that label. The displayed caption is:

Label + Number + Separator + Caption text

For example, Table 1: Sales by Quarter or Figure 3 – Flowchart. The separator (colon, dash, period) is set in the caption style. The number is stored as a field code, so it updates automatically when you add or remove captions.

Worked Example

Using the default values: Table number = 1, Figure number = 1, Equation number = 1. The output is “Table 1: Sample title”. This matches what Word shows when you insert the first caption for a table with the default label “Table” and the default separator “:”.

How to Insert a Table Caption

1. Click anywhere inside the table you want to caption.
2. Go to the References tab.
3. Click Insert Caption (in the Captions group).
4. In the dialog box, select “Table” from the Label dropdown (if not already selected).
5. Type your caption text after the label and number.
6. Click OK.

Word places the caption above the table by default (you can change this in the Caption dialog under Position). The caption is a paragraph with the “Caption” style, so you can format it globally.

How to Insert a Figure Caption

Figures (images, charts, screenshots) follow the same steps but with the label “Figure”. Word places the caption below the figure by default.

1. Select the image or chart.
2. Go to References > Insert Caption.
3. Choose “Figure” from the Label dropdown.
4. Enter the caption text.
5. Click OK.

If you want the caption to include the chapter number (e.g., Figure 2-1), you need to use heading numbering first. This is done through the Numbering button in the Caption dialog.

How to Insert an Equation Caption

Equations are trickier because Word treats them as either inline objects or display equations. The common method is to use a table with no borders to align the equation and its number.

1. Insert a 1-row, 2-column table (or 3 columns if you want the number on the right).
2. Place the equation in the left cell and the caption number in the right cell.
3. Type the equation using the Equation Editor (Alt+=).
4. In the right cell, go to References > Insert Caption.
5. Choose “Equation” from the Label dropdown (if it doesn’t exist, click New Label and type “Equation”).
6. Type a description if needed, or leave it blank.
7. Remove the table borders via Table Design > Borders > No Border.

Alternatively, you can use a tab stop with a right-aligned tab at the right margin. Type the equation, press Tab, then insert the caption. This is simpler but less robust for cross-references.

Cross-Referencing Captions

Once you have captions, you can refer to them in text (e.g., “see Table 3”). This is essential for professional documents.

1. Place the cursor where you want the reference.
2. Go to References > Cross-reference.
3. In the Reference type dropdown, choose Table, Figure, or Equation.
4. Select “Only label and number” or “Entire caption”.
5. Click Insert.

Cross-references update when you press Ctrl+A then F9 (or right-click and Update Field). They do not update automatically when you print unless you set Word to do so.

Common Problems and Fixes

• Captions show “Table 1” but you want “Table I” or “Table A” – Use the Numbering button in the Caption dialog and choose a different format (e.g., Roman numerals, letters).
• Numbers don’t update – Select all (Ctrl+A) and press F9 to update fields.
• Caption label missing (e.g., no “Equation”) – Click New Label in the Caption dialog and type the name.
• Caption position wrong – In the Caption dialog, set Position to Above or Below selected item.
• Captions not appearing in List of Tables – Ensure the caption uses the built-in “Caption” style. If you manually typed “Table 1:” without the Caption tool, it won’t appear.

Formatting Captions

Captions use the “Caption” style. To change the font, size, or alignment (e.g., center), modify the style:

1. Right-click the “Caption” style in the Home tab’s Styles gallery.
2. Choose Modify.
3. Set the formatting (e.g., bold, 10pt, centered).
4. Click OK.

This updates all captions in the document. For a different separator (e.g., a dash instead of a colon), you must change the caption’s field code or use a custom label that includes the separator.

Frequently Asked Questions

Why are my caption numbers not sequential?

This usually happens when you have multiple lists (e.g., tables and figures) but Word uses a single counter per label. If you delete a caption, the numbers don’t renumber automatically until you update fields (Ctrl+A, F9). Also, if you have captions inside text boxes or frames, they may not be recognized.

How do I caption an equation without a table?

You can use a right-aligned tab stop. Type the equation, press Tab, then insert the caption. The tab stop must be set at the right margin. This works but cross-references may be less stable than the table method.

Can I have captions like “Table A.1” with chapter numbers?

Yes. First, apply a multilevel list to your Heading 1 style. Then, in the Caption dialog, click Numbering and check “Include chapter number”. Choose the heading style and a separator (period, hyphen, colon).

Why does my List of Tables not show all tables?

The List of Tables only picks up paragraphs with the “Caption” style that contain a table label. If you manually typed “Table 1” without the Caption tool, it won’t appear. Also, ensure the caption is not inside a table cell (for tables) – it must be a separate paragraph above or below.

How do I change “Table 1” to “Table 1:” with a colon?

By default, Word uses a colon. If you see a different separator, it may be due to a custom label. To change it, modify the caption field code: right-click the caption, choose Toggle Field Codes, and edit the separator text between the number and the caption text.

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in t | Table number | - | 1 | 1
in f | Figure number | - | 1 | 1
in e | Equation number | - | 1 | 1
out cap | Caption label | - | "Table " + t + ": " + "Sample title" | 0