How to Show Card in Tableau

Displaying a big, bold number on a dashboard is one of the most effective ways to communicate performance at a glance. In Tableau, this type of visualization is often called a Card or a Big Number Tile (sometimes a BAN for "Big-Ass Number"), and it’s a fundamental building block for any great dashboard. This article will walk you through exactly how to create a simple and effective KPI card, add conditional formatting like colors or arrows, and arrange it on a dashboard.

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What is a Tableau Card?

A Tableau Card is a worksheet designed to show a single, crucial metric in a large, easy-to-read format. Think of the most important numbers you track: total sales this quarter, new website sign-ups today, or your current conversion rate. Instead of burying these in a table or a complex chart, a Card puts them front and center. It immediately answers the question, "How are we doing on...?"

Their power lies in their simplicity. When you place several cards at the top of a dashboard, they create an executive summary that anyone can understand in seconds. It’s the perfect way to anchor your report and provide a high-level overview before users dive into more detailed charts.

Creating Your First KPI Card in Tableau (Step-by-Step)

Let's build a basic card to show total sales. We’ll use the Sample - Superstore dataset that comes with Tableau, but you can follow along with any measure from your own data.

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Step 1: Get Your Data Ready

First, open Tableau and connect to your data source. For this example, select the Sample - Superstore dataset. Once it loads, Tableau will automatically sort your fields into Dimensions (categorical data like 'Category' or 'Region') and Measures (numerical data like 'Sales' or 'Quantity') in the left-hand sidebar.

For a KPI card, you just need a single numeric field - a Measure - that you want to highlight.

Step 2: Start a New Worksheet

At the bottom of your Tableau workbook, click the "New Worksheet" icon. This gives you a blank canvas to build your visualization.

It's a good practice to name your sheet as you go. Double-click the tab "Sheet 1" and rename it to something descriptive, like "Total Sales Card."

Step 3: Drag Your Measure to the "Text" Mark

This is the key step. Locate the Sales measure in the Data pane on the left. Click and drag the 'Sales' field directly onto the 'Text' box located in the Marks card.

As soon as you do this, a number will appear on your canvas. This is the sum of all sales in your dataset. Tableau defaults to showing measures as a sum, but you can change this by right-clicking the 'Sales' pill in the Marks card and selecting a different aggregation like Average, Median, or Count.

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Step 4: Format Your Number

The number is there, but it doesn't look like an impressive KPI card yet. It's too small and poorly formatted. Let’s fix that.

1. Click on the 'Text' box in the Marks card again. A pop-up editor will appear.
2. Click the three dots (...) next to the "Text" field.
3. In the "Edit Label" window that appears, you can change the font, make it bigger, bold it, and change its color. Try setting the font to something bold and the size to around 36 to make it stand out.
4. Select "Center" alignment for both horizontal and vertical to position your number nicely in the middle of the worksheet.

Next, let's fix the number format. We want a currency symbol and commas. Right-click the SUM(Sales) pill in the Marks card, select Format. In the Format pane that opens on the left, navigate to a new section, and you will see "Numbers". You can pick Currency (Custom) and set the decimal places to 0 for a clean look.

Finally, hide the worksheet title (Right-click "Total Sales Card" title -> Hide Title), as we'll add a title on the dashboard itself. After these changes, your sheet should look something like this:

That’s it! You've created a basic but effective KPI card.

How to Level Up Your Tableau Cards

A single number is good, but adding context makes it great. Here are a few ways to add more meaning to your cards without cluttering them.

Adding Color to Signal Performance

Color is a fantastic way to indicate if a number is good or bad at a glance. Let's color our sales card green if profit is positive and red if it's negative.

1. Create a Calculated Field: In the Data pane, right-click and select Create Calculated Field. Let's name it "Profit Color."
2. Apply the Color Logic: Drag your new Profit Color calculated field from the Measures pane onto the Color box in the Marks card. Your number will turn a color (probably blue or orange, the Tableau defaults).
3. Assign the Right Colors: Click the Color box, then select Edit Colors. Assign a nice green to your "Green" value and a clear red to your "Red" value. Click OK.

Now, your KPI number will automatically change color based on its underlying performance, providing instant context.

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Showing Trend Indicators (Up/Down Arrows)

Are we trending up or down? An arrow is a perfect icon for this. Adding one requires a couple of calculated fields but is well worth the effort.

Let’s create an example that compares sales this year to last year.

1. Create YoY Comparison Fields
2. Create the Trend Arrow Field
3. Create a Color Field for the Trend Icon
4. Add the Icons to Your Card

Now you have a dynamic KPI card that shows not just the metric but its direction and performance status.

Using Your Cards on a Dashboard

Individual cards are useful, but their true power emerges when you combine them on a dashboard.

1. Create a New Dashboard: At the bottom of your workbook, click the "New Dashboard" icon.
2. Drag and Drop Your Cards: In the Dashboard pane on the left, you'll see a list of your worksheets. Simply drag your "Sales" and "Sales Trend" cards onto the dashboard canvas.
3. Arrange and Format: A common practice is to use a Horizontal Layout Container to line up your KPI cards nicely at the top of the dashboard. Place this container first, then drag your card worksheets into it. You can then edit the titles directly on the dashboard to provide context for each number (e.g., writing "Total Sales" above your sales card worksheet).
4. Use Cards as Filters (Optional): To make your dashboard interactive, you can turn your cards into filters. Select a card on the dashboard, click the Down arrow, and select Use as Filter. Now, when a user clicks on the "Total Sales" card, it can filter all other charts on the dashboard to only show data related to those sales.

By arranging your key metrics as a series of cards, you provide an immediate snapshot of business health that serves as the foundation for the rest of your dashboard's story.

Final Thoughts

Creating a KPI card in Tableau is a simple process that offers a huge return. It transforms a single number into a powerful piece of communication, making it easy for anyone to understand key performance indicators at a glance. By adding thoughtful formatting like colors and trend arrows, you can build dashboards that aren't just informative, but also intuitive and actionable.

While building visuals piece-by-piece in tools like Tableau gives you incredible control, sometimes you just need insights quickly. At Graphed , we've designed an AI analytics platform that automates this entire process. Instead of dragging and dropping fields, you can just ask in plain English: "Show me a dashboard of my key marketing KPIs from Google Analytics and Google Ads." Graphed instantly builds a live, professional dashboard for you, saving you hours of manual reporting work.