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Flag & Flagpole Size Guide

We’ve created this guide to help you choose the right flagpole height and the correct flag size.

The flag sizes shown in the table below are primarily intended for national flags and regional flags. However, these recommendations also work well for company flags, although many custom company flags are produced in a vertical format.

What Height Should My Flagpole Be?

When installing a flagpole at your home or business, the first step is to determine the height of the building. The building’s height is the main factor when choosing the correct flagpole. For the best visual appearance, the flagpole should extend above the roofline. A good rule of thumb is that approximately one-third of the flagpole should rise above the highest point of the roof. For example, if your building is 8 metres (26 ft) high, a 12 metre (39 ft) flagpole is generally recommended. See the size guide below.

Building Height Recommended Flagpole Height
4 m 6 m
5 m 8 m
6 m 8 m
7 m 9 m
8 m 12 m
9 m 12 m
10 m 14 m
11 m 14 m
12 m 16 m

What Size Flag Should I Choose?

To choose the correct flag size, you first need to know the height of your flagpole. The flagpole height determines the recommended flag size. As a general guideline, the length of the flag should be approximately one-quarter of the flagpole’s height. For example, a 12 metre (39 ft) flagpole should normally use a 3 metre (10 ft) flag. The same principle applies when choosing the correct pennant size. See the table below for our recommended flag and pennant sizes.

Flagpole Height Recommended Flag Length Recommended Pennant Length
6 m 150 cm 200 cm
8 m 200 cm 300 cm
9 m 240 cm 300 cm
10 m 240 cm 300 cm
12 m 300 cm 400 cm
14 m 350 cm 500 cm
16 m 400 cm 500 cm
18 m 450 cm 600 cm
Illustration som visar hur man väljer rätt höjd på flaggstång utifrån husets höjd, med exempel på rekommenderade flaggstångshöjder från 6 till 16 meter.
Illustration som visar rekommenderad storlek på flagga och vimpel utifrån flaggstångens längd.

Frequently Asked Questions About Choosing a Flagpole

When choosing a flagpole, start by considering the height of your building. A good rule of thumb is that approximately one-third of the flagpole should extend above the roofline. This creates a balanced, attractive appearance. For example, if your building is 8 metres high, a 12 metre flagpole is generally recommended.

A common guideline is that the height of the building should be approximately two-thirds of the total flagpole height. The remaining one-third should extend above the roof to ensure the flag is clearly visible while maintaining pleasing proportions.

If your building is approximately 6 metres high, an 8 metre flagpole is normally recommended. This allows around 2 metres of the pole to extend above the roofline.

If your building is approximately 8 metres high, a 12 metre flagpole is normally recommended. This allows around 4 metres of the pole to extend above the roofline.

If your building is approximately 10 metres high, a 14 metre flagpole is normally recommended. This allows around 4 metres of the pole to extend above the roofline.

If the flagpole is too short, the flag may visually blend into the building and become less noticeable. Having approximately one-third of the pole extend above the roofline provides better visibility while creating balanced proportions.

Yes. However, a shorter flagpole often provides less visibility and may appear out of proportion with the building.

Yes. However, an excessively tall flagpole may dominate the property. For most homes and commercial buildings, the one-third-above-the-roof guideline provides the most visually balanced result.

Frequently Asked Questions About Choosing the Right Flag

The correct flag size primarily depends on the height of your flagpole. For the best proportions, we recommend choosing a flag with a length of approximately one-quarter of the flagpole’s height.

A company flag should always be matched to the height of the flagpole. A flag that is too small may look insignificant, while an oversized flag is exposed to greater wind loads and increased wear.

For a 6 metre flagpole, we recommend a company flag measuring 150 × 94 cm.

For an 8 metre flagpole, we recommend a company flag measuring 200 × 125 cm.

For a 9 metre flagpole, we normally recommend a company flag measuring 240 × 150 cm.

For a 10 metre flagpole, we normally recommend a company flag measuring 240 × 150 cm.

For a 12 metre flagpole, we recommend a company flag measuring 300 × 188 cm.

Yes, but a larger flag is exposed to higher wind loads and will generally wear more quickly. For the best balance between appearance, durability and performance, we recommend following the suggested flag sizes.

Yes, but a flag that is too small may be less visible and create a less professional appearance.

Common company flag sizes include 150 × 94 cm, 200 × 125 cm, 240 × 150 cm and 300 × 188 cm. These sizes are suitable for the vast majority of standard flagpoles.

Measure the total height of the flagpole from ground level to the top of the pole. Once you know the height, you can easily select the recommended flag size using our size guide.

A flag that is too large can increase wind load and place unnecessary stress on both the flag and the flagpole. A flag that is too small may be difficult to see and provide less visual impact.

The recommended flag size for your flagpole will normally provide the best balance between visibility, durability and overall appearance.

Yes. Larger flags catch more wind and are exposed to greater forces, which can reduce their lifespan, especially in windy locations.

If your flagpole is installed in an area with strong or frequent winds, choosing a slightly smaller flag can help reduce wind load and extend the life of both the flag and the flagpole.

The 240 × 150 cm size is one of the most popular because it fits 9–10 metre flagpoles, which are commonly used at offices, commercial properties and industrial facilities.

Absolutely. If you’re unsure which size to choose, our team is happy to help. We’ll recommend the best option based on your flagpole height, location and intended use. You can also refer to our Flag Size Guide – Choose the Right Flag and Pennant Size.