> For the complete documentation index, see [llms.txt](https://docs.flowstop.fr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flowstop.fr/general-information/how-to-measure-openings.md).

# How to measure openings ?

{% hint style="success" %}
**Equipment required :** a simple tape measure

**Accuracy required :** 0.3 inch
{% endhint %}

{% embed url="<https://www.youtube.com/watch?v=tnulTQqWtYE>" %}

{% hint style="danger" %}
**Measurements taken at ground level and at about 31.5 '' / 80 cm height**

If your opening is not perfectly parallel, please indicate the widest measurement.
{% endhint %}

### How to get a quote ?

You can enter your information and the measurements of your openings in [this online form](https://www.flowstop.co/en/quote). You will then receive a personalized quote within 48 hours.