# const

A modifier for a compile-time constant whose value is fixed in its declaration.

## What does **const** do in C#?

**const** — A modifier for a compile-time constant whose value is fixed in its declaration.

```csharp
class Cart
{
    const int MaxItems = 100;
}
```

Level: Apprentice · [More C# terms at this level](https://www.ask-codey.com/glossary/subjects/c-sharp/apprentice)

Updated: September 27, 2026

## In other subjects

- [const in JavaScript](https://www.ask-codey.com/glossary/const-javascript)

Source: https://www.ask-codey.com/glossary/const