---
title: currentMemoryUsage
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/urlcache/currentmemoryusage
---

# currentMemoryUsage

The current size of the in-memory cache, in bytes.

## Declaration

```swift
var currentMemoryUsage: Int { get }
```

## Mentioned in

Accessing cached data

## See Also

### Getting and setting in-memory cache properties

- [memoryCapacity](foundation/urlcache/memorycapacity.md)